DeWalt DCMPS520N ユーザーマニュアル

DCMPS520

English (original instructions) 4

简体中文 18

Fig. A

图A

图B

Fig. B

XXXX XX XX

Fig.C

图 C

图 E

图 G

Fig.D

图 D

图 F

图 H

Fig.E Fig.F

1/8" (3 mm)

Fig.G Fig.H

Fig.I

图 I

图K

图M

Fig.J

图 J

图L

图 N

Fig.K Fig.L

Fig.M Fig.N

60°

0.025"

(0.635mm)

ENGLISH

DCMPS520

Voltage VDC 18 (20 Max)

Battery type Li‑Ion

Bar Length cm 20

Maximum Chain Speed (no‑load) m/s 8.6

Maximum Cutting Length cm 15

Oil Capacity ml 55

Weight (without battery pack) kg 2.1

Batteries Chargers / Charge Times (Minutes)***

Cat# VDC Ah Weight(kg) DCB104 DCB107 DCB112

DCB1102

DCB115

DCB1104

DCB117

DCB1112 DCB118 DCB132

DCB546/DCB606 18/54 (20/60 Max) 6.0/2.0 1.08 60 270 170 90 40 60 90

DCB547/DCB609 18/54 (20/60 Max) 9.0/3.0 1.46 75* 420 270 135* 60 75* 135*

DCB548/DCB612 18/54 (20/60 Max) 12.0/4.0 1.46 120 540 350 180 80 120 180

DCB181 18 (20 Max) 1.5 0.35 22 70 45 22 22 22 22

DCB182/DCB204 18 (20 Max) 4.0 0.61 60/40** 185 120 60 60/40** 60/40** 60

DCB183/DCB203 18 (20 Max) 2.0 0.40 30 90 60 30 30 30 30

DCB184/DCB205 18 (20 Max) 5.0 0.62 75/50** 240 150 75 75/50** 75/50** 75

DCB187 18 (20 Max) 3.0 0.54 45 140 90 45 45 45 45

DCB189/DCB240 18 (20 Max) 4.0 0.54 60 185 120 60 60 60 60

DCBP034 18 (20 Max) 1.7 0.32 27 82 50 27 27 27 27

*Date code 201811475B or later

**Date code 201536 or later

***Battery charge times matrix provided for guidance only; charge times will vary depending on temperature and condition of batteries.

Congratulations!

You have chosen a DeWALT tool. Years of experience, thorough product development and innovation make DeWALT one of the most

reliable partners for professional power toolusers.

Technical Data

English (original instructions)

18V 20V MAX PRUNER SAW

DCMPS520

WARNING: To reduce the risk of injury, read the

instructionmanual.

Definitions: Safety Guidelines

The definitions below describe the level of severity for each

signal word. Please read the manual and pay attention to

thesesymbols.

DANGER: Indicates an imminently hazardous

situation which, if not avoided, will result in death or

seriousinjury.

WARNING: Indicates a potentially hazardous situation

which, if not avoided, could result in death or

seriousinjury.

CAUTION: Indicates a potentially hazardous situation

which, if not avoided, may result in minor or

moderateinjury.

NOTICE: Indicates a practice not related to

personal injury which, if not avoided, may result in

propertydamage.

Denotes risk of electricshock.

Denotes risk offire.

GENERAL POWER TOOL SAFETY WARNINGS

WARNING: Read all safety warnings, instructions,

illustrations and specifications provided with this

power tool. Failure to follow all instructions listed below

may result in electric shock, fire and/or seriousinjury.

SAVE ALL WARNINGS AND INSTRUCTIONS

FOR FUTUREREFERENCE

The term “power tool” in the warnings refers to your mains‑operated

(corded) power tool or battery‑operated (cordless) powertool.

ENGLISH

e ) Do not overreach. Keep proper footing and balance

at all times. This enables better control of the power tool

in unexpectedsituations.

f ) Dress properly. Do not wear loose clothing or

jewellery. Keep your hair and clothing away from

moving parts. Loose clothes, jewellery or long hair can be

caught in movingparts.

g ) If devices are provided for the connection of dust

extraction and collection facilities, ensure these are

connected and properly used. Use of dust collection

can reduce dust‑relatedhazards.

h ) Do not let familiarity gained from frequent use of

tools allow you to become complacent and ignore

tool safety principles. A careless action can cause severe

injury within a fraction of asecond.

4) Power Tool Use and Care

a ) Do not force the power tool. Use the correct power

tool for your application. The correct power tool

will do the job better and safer at the rate for which it

wasdesigned.

b ) Do not use the power tool if the switch does not turn

it on and off. Any power tool that cannot be controlled

with the switch is dangerous and must berepaired.

c ) Disconnect the plug from the power source and/

or remove the battery pack, if detachable, from

the power tool before making any adjustments,

changing accessories, or storing power tools. Such

preventive safety measures reduce the risk of starting the

power toolaccidentally.

d ) Store idle power tools out of the reach of children

and do not allow persons unfamiliar with the power

tool or these instructions to operate the power tool.

Power tools are dangerous in the hands of untrainedusers.

e ) Maintain power tools and accessories. Check for

misalignment or binding of moving parts, breakage

of parts and any other condition that may affect the

power tool’s operation. If damaged, have the power

tool repaired before use. Many accidents are caused by

poorly maintained powertools.

f ) Keep cutting tools sharp and clean. Properly

maintained cutting tools with sharp cutting edges are less

likely to bind and are easier tocontrol.

g ) Use the power tool, accessories and tool bits, etc.

in accordance with these instructions, taking into

account the working conditions and the work to be

performed. Use of the power tool for operations different

from those intended could result in a hazardoussituation.

h ) Keep handles and grasping surfaces dry, clean and

free from oil and grease. Slippery handles and grasping

surfaces do not allow for safe handling and control of the

tool in unexpectedsituations.

5) Battery Tool Use and Care

a ) Recharge only with the charger specified by the

manufacturer. A charger that is suitable for one type

of battery pack may create a risk of fire when used with

another batterypack.

1) Work Area Safety

a ) Keep work area clean and well lit. Cluttered or dark

areas inviteaccidents.

b ) Do not operate power tools in explosive

atmospheres, such as in the presence of flammable

liquids, gases or dust. Power tools create sparks which

may ignite the dust orfumes.

c ) Keep children and bystanders away while operating

a power tool. Distractions can cause you to losecontrol.

2) Electrical Safety

a ) Power tool plugs must match the outlet. Never

modify the plug in any way. Do not use any adapter

plugs with earthed (grounded) power tools.

Unmodified plugs and matching outlets will reduce risk of

electricshock.

b ) Avoid body contact with earthed or grounded

surfaces, such as pipes, radiators, ranges and

refrigerators. There is an increased risk of electric shock if

your body is earthed orgrounded.

c ) Do not expose power tools to rain or wet conditions.

Water entering a power tool will increase the risk of

electricshock.

d ) Do not abuse the cord. Never use the cord for

carrying, pulling or unplugging the power tool. Keep

cord away from heat, oil, sharp edges or moving

parts. Damaged or entangled cords increase the risk of

electricshock.

e ) When operating a power tool outdoors, use an

extension cord suitable for outdoor use. Use of a cord

suitable for outdoor use reduces the risk of electricshock.

f ) If operating a power tool in a damp location is

unavoidable, use a residual current device (RCD)

protected supply. Use of an RCD reduces the risk of

electricshock.

3) Personal Safety

a ) Stay alert, watch what you are doing and use

common sense when operating a power tool. Do not

use a power tool while you are tired or under the

influence of drugs, alcohol or medication. A moment

of inattention while operating power tools may result in

serious personalinjury.

b ) Use personal protective equipment. Always wear eye

protection. Protective equipment such as a dust mask,

non‑skid safety shoes, hard hat or hearing protection used

for appropriate conditions will reduce personalinjuries.

c ) Prevent unintentional starting. Ensure the switch

is in the off position before connecting to power

source and/or battery pack, picking up or carrying

the tool. Carrying power tools with your finger on the

switch or energising power tools that have the switch on

invitesaccidents.

d ) Remove any adjusting key or wrench before turning

the power tool on. A wrench or a key left attached

to a rotating part of the power tool may result in

personalinjury.

ENGLISH

b ) Use power tools only with specifically designated

battery packs. Use of any other battery packs may create

a risk of injury andfire.

c ) When battery pack is not in use, keep it away from

other metal objects, like paper clips, coins, keys,

nails, screws or other small metal objects, that can

make a connection from one terminal to another.

Shorting the battery terminals together may cause burns

or afire.

d ) Under abusive conditions, liquid may be ejected

from the battery; avoid contact. If contact

accidentally occurs, flush with water. If liquid

contacts eyes, additionally seek medical help. Liquid

ejected from the battery may cause irritation orburns.

e ) Do not use a battery pack or tool that is damaged

or modified. Damaged or modified batteries may exhibit

unpredictable behaviour resulting in fire, explosion or risk

ofinjury.

f ) Do not expose a battery pack or tool to fire or

excessive temperature. Exposure to fire or temperature

above 130°C may causeexplosion.

g ) Follow all charging instructions and do not charge

the battery pack or tool outside the temperature

range specified in the instructions. Charging

improperly or at temperatures outside the specified range

may damage the battery and increase the risk offire.

6) Service

a ) Have your power tool serviced by a qualified repair

person using only identical replacement parts. This

will ensure that the safety of the power tool ismaintained.

b ) Never service damaged battery packs. Service

of battery packs should only be performed by the

manufacturer or authorised serviceproviders.

Pruner Safety Warnings

a ) Keep all parts of the body away from the saw chain

when the pruner is operating. Before you start the

pruner, make sure the saw chain is not contacting

anything. A moment of inattention while operating

pruners may cause entanglement of your clothing or body

with the sawchain.

b ) Always hold the pruner with your right hand on the

rear handle and your left hand on the front handle.

Holding the pruner with a reversed hand configuration

increases the risk of personal injury and should never

bedone.

c ) Hold the pruner by insulated gripping surfaces only,

because the saw chain may contact hidden wiring.

Saw chains contacting a "live" wire may make exposed

metal parts of the pruner "live" and could give the operator

an electricshock.

d ) Wear safety glasses and hearing protection. Further

protective equipment for, head, hands, legs and

feet is recommended. Adequate protective clothing will

reduce personal injury from flying debris or accidental

contact with the sawchain.

e ) Do not operate a pruner saw in a tree, on a ladder,

from a rooftop, or any unstable support. Operation

of a pruner saw in this manner could result in serious

personal injury.

f ) Always keep proper footing and operate the pruner

only when standing on ﬁxed, secure and level

surface. Slippery or unstable surfaces may cause a loss of

balance or control of the pruner.

g ) When cutting a limb that is under tension, be alert

for spring back. When the tension in the wood ﬁbers is

released, the spring loaded limb may strike the operator

and/or throw the pruner out ofcontrol.

h ) Use extreme caution when cutting brush and

saplings. The slender material could catch the saw chain

and be whipped toward you or pull you offbalance.

i ) Carry the pruner with the pruner switched off and

away from your body. When transporting or storing

the pruner always ﬁt the guide bar cover. Proper

handling of the pruner will reduce the likelihood of

accidental contact with the moving sawchain.

j ) Follow instructions for lubricating, chain tensioning

and changing the bar and saw chain. Improperly

tensioned or lubricated chain could break the

prunerchain.

k ) Keep handles dry, clean, and free from oil

andgrease. Greasy, oily handles are slippery,

causing loss ofcontrol.

l ) Cut wood only. Do not use pruner for purposes not

intended. For example: do not use pruner for cutting

metal, plastic, masonry or non‑wood building

materials. Use of the pruner for operations different than

intended could result in a hazardoussituation.

m ) Maintain a firm grip, with thumbs and fingers

encircling the pruner handles, with both hands on

the pruner. Maintaining control of the pruner will

reduce the risk of losing control. Do not let go of the

pruner.

n ) Do not overreach and do not cut above shoulder

height. This enables better control of the pruner in

unexpected situations.

o ) Only use replacement bars and chains specified

by the manufacturer. Incorrect replacement bars and

chains can cause chain breakage and increase the risk

of injury.

p ) Follow the manufacturer's sharpening and

maintenance instructions for the pruner chain.

Decreasing the depth gauge height can lead to increased

risk of injury.

q ) This pruner is not intended for tree felling. Use of the

pruner for operations different than intended could result

in serious injury to the operator or bystander.

r ) Follow all instructions when clearing jammed

material, storing or servicing the pruner saw. Make

sure the switch is off and the battery pack is removed.

ENGLISH

Causes and Operator Prevention ofKickback:

Kickback may occur when the nose or tip of the guide bar

touches an object, or when the wood closes in and pinches the

saw chain in thecut.

Tip contact in some cases may cause a sudden reverse reaction,

kicking the guide bar up and back towards theoperator.

Pinching the saw chain along the top of the guide bar may push

the guide bar rapidly back towards theoperator.

Either of these reactions may cause you to lose control of the

saw which could result in serious personal injury. Do not rely

exclusively upon the safety devices built into your saw. As a

pruner user, you should take several steps to keep your cutting

jobs free from accident orinjury.

Kickback is the result of tool misuse and/or incorrect operating

procedures or conditions and can be avoided by taking proper

precautions as given below:

a ) Maintain a firm grip, with thumbs and ﬁngers

encircling the pruner handles, with both hands on

the saw and position your body and arm to allow

you to resist kickback forces. Kickback forces can be

controlled by the operator, if proper precautions are

taken. Do not let go of the pruner.

b ) Do not overreach and do not cut above

shoulder height. This helps prevent unintended tip

contact and enables better control of the pruner in

unexpectedsituations.

c ) Only use replacement bars and chains speciﬁed

by the manufacturer. Incorrect replacement bars and

chains may cause chain breakage and/orkickback.

d ) Follow the manufacturer’s sharpening and

maintenance instructions for the saw chain.

Decreasing the depth gauge height can lead to

increasedkickback.

The Following Precautions Should Be

Followed to Minimize Kickback:

1 . Grip saw firmly. Hold the pruner firmly with both hands

when the motor is running. Use a firm grip with thumbs

and fingers encircling the pruner handles. Pruner will pull

forward when cutting on the bottom edge of the bar, and

push backward when cutting along the top edge of thebar.

2 . Do not overreach.

3 . Keep proper footing and balance at alltimes.

4 . Don’t let the nose of the guide bar contact a log, branch,

ground or otherobstruction.

5 . Don’t cut above shoulderheight.

6 . Use devices such as low kickback chain and reduced

kickback guide bars that reduce the risks associated

withkickback.

7 . Only use replacement bars and saw chains specified by

the manufacturer or theequivalent.

8 . Never let the moving saw chain contact any object at the

tip of the guidebar.

9 . Keep the working area free from obstructions such

as other trees, branches, rocks, fences, stumps, etc.

Eliminate or avoid any obstruction that your saw chain could

hit while you are cutting through a particular log orbranch.

10 . Keep your saw chain sharp and properly tensioned. A

loose or dull chain can increase the chance of kickback.

Check tension at regular intervals with the motor stopped and

tool unplugged, never with the motorrunning.

11 . Begin and continue cutting only with the chain moving

at full speed. If the chain is moving at a slower speed, there is

a greater chance for kickback tooccur.

12 . Cut one log at atime.

13 . Use extreme caution when re‑entering a previous cut.

Engage the ribbed bumpers 21 onto the wood and allow the

chain to reach full speed before proceeding witha cut.

14 . Do not attempt plunge cuts or borecuts.

15 . Watch for shifting logs or other forces that could close a

cut and pinch or fall intochain.

Kickback Safety Features

WARNING: The following features are included on your

saw to help reduce the hazard of kickback; however such

features will not totally eliminate this dangerous reaction.

As a pruner user do not rely only on safety devices. You

must follow all safety precautions, instructions, and

maintenance in this manual to help avoid kickback and

other forces which can result in seriousinjury.

• Reduced‑Kickback Guide Bar, designed with a small radius

tip which reduces the size of the kickback danger zone on

bar tip. A reduced‑kickback guide bar is one which has

been demonstrated to significantly reduce the number and

seriousness of kickbacks when tested in accordance with safety

requirements for electric pruners.

• Low‑Kickback Chain, designed with a contoured depth gauge

and guard link which deflects kickback force and allows wood

to gradually ride into the cutter. A low‑kickback chain is a chain

which has met kickback performance requirements of ANSI

B175.1–2012.

• Do not operate pruner while in a tree, on a ladder, on a scaffold,

or from any unstablesurface.

• Hold tool by insulated gripping surfaces when performing an

operation where the cutting tool may contact hidden wiring.

Contact with a “live” wire will make exposed metal parts of the

tool “live” and shock theoperator.

• Do not attempt operations beyond your capacity or experience.

Read thoroughly and understand completely all instructions in

thismanual.

• Before you start pruner, make sure saw chain is not contacting

anyobject.

• Do not operate a pruner with one hand! Serious injury to the

operator, helpers, or bystanders may result from one‑handed

operation. A pruner is intended for two‑handed useonly.

• Keep the handles dry, clean, and free of oil orgrease.

• Do not allow dirt, debris, or sawdust to build up on the motor or

outside airvents.

• Stop the pruner before setting itdown.

• Do not cut vines and/or small under‑brush.

• Use extreme caution when cutting small size brush and

saplings because slender material may catch the saw chain

and be whipped toward you or pull you offbalance.

ENGLISH

Pruner Names and Terms

• Bucking ‑ The process of cross‑cutting a felled tree or log

intolengths.

• Motor Brake (if equipped) ‑ A device used to stop the saw

chain when the trigger isreleased.

• Pruner Powerhead ‑ A pruner without the saw chain and

guidebar.

• Drive Sprocket or Sprocket ‑ The toothed part that drives

the sawchain.

• Felling ‑

The process of cutting down atree.

• Felling Back Cut ‑

The final cut in a tree felling operation made

on the opposite side of the tree from the notchingcut.

• Front Handle ‑ The support handle located at or toward the

front of the pruner.

• Front Hand Guard ‑ A structural barrier between the front

handle of a pruner and the guide bar, typically located close to

the hand position on the fronthandle.

• Guide Bar ‑ A solid railed structure that supports and guides

the sawchain.

• Scabbard/Guide Bar Cover ‑ Enclosure fitted over guide bar

to help prevent tooth contact when saw is not inuse.

• Kickback ‑ The backward or upward motion, or both of the

guide bar occurring when the saw chain near the nose of the

top area of the guide bar contacts any object such as a log or

branch, or when the wood closes in and pinches the saw chain

in thecut.

• Kickback, Pinch ‑

The rapid pushback of the saw which can

occur when the wood closes in and pinches the moving saw

chain in the cut along the top of the guidebar.

• Kickback, Rotational ‑ The rapid upward and backward

motion of the saw which can occur when the moving saw

chain near the upper portion of the tip of the guide bar

contacts an object, such as a log orbranch.

• Limbing ‑ Removing the branches from a fallentree.

• Low‑Kickback Chain ‑ A chain that complies with the

kickback performance requirements of ANSI B175.1–2012

(when tested on a representative sample of pruners).

• Normal Cutting Position ‑ Those positions assumed in

performing the bucking and fellingcuts.

• Notching Undercut ‑ A notch cut in a tree that directs the

tree’sfall.

• Rear Handle ‑ The support handle located at or toward the

rear of thesaw.

• Reduced Kickback Guide Bar ‑ A guide bar which has been

demonstrated to reduce kickbacksignificantly.

• Replacement Saw Chain ‑ A chain that complies with

kickback performance requirements of ANSI B175.1–2012

when tested with specific pruners. It may not meet the ANSI

performance requirements when used with othersaws.

• Saw Chain ‑ A loop of chain having cutting teeth, that cut the

wood, and that is driven by the motor and is supported by the

guidebar.

• Ribbed Bumper ‑ The ribs used when felling or bucking to

pivot the saw and maintain position whilesawing.

• Switch ‑ A device that when operated will complete or

interrupt an electrical power circuit to the motor of thepruner.

• Switch Linkage ‑ The mechanism that transmits motion from

a trigger to theswitch.

• Switch Lockout ‑ A movable stop that prevents the

unintentional operation of the switch until manuallyactuated.

Residual Risks

In spite of the application of the relevant safety regulations

and the implementation of safety devices, certain residual risks

cannot be avoided. These are:

• Impairment ofhearing.

• Risk of personal injury due to flyingparticles.

• Risk of burns due to accessories becoming hot

duringoperation.

• Risk of personal injury due to prolongeduse.

SAVE THESE INSTRUCTIONS

Chargers

DeWALT chargers require no adjustment and are designed to be

as easy as possible tooperate.

Electrical Safety

The electric motor has been designed for one voltage only.

Always check that the battery pack voltage corresponds to the

voltage on the rating plate. Also make sure that the voltage of

your charger corresponds to that of yourmains.

iYour DeWALT charger is double insulated in

accordance with IEC60335; therefore, no earth wire

isrequired.

If the supply cord is damaged, it must be replaced only by

DeWALT or an authorised serviceorganisation.

Using an Extension Cable

An extension cord should not be used unless absolutely necessary.

Use an approved extension cable suitable for the power input of

your charger (see Technical Data). The minimum conductor size is

1mm2; the maximum length is30m.

When using a cable reel, always unwind the cablecompletely.

Important Safety Instructions for All

BatteryChargers

SAVE THESE INSTRUCTIONS: This manual contains important

safety and operating instructions for compatible battery

chargers (refer to TechnicalData).

• Before using charger, read all instructions and cautionary

markings on charger, battery pack, and product using

batterypack.

WARNING: Shock hazard. Do not allow any liquid to get

inside charger. Electric shock mayresult.

WARNING: We recommend the use of a residual current

device with a residual current rating of 30mA orless.

CAUTION: Burn hazard. To reduce the risk of injury,

charge only DeWALT rechargeable batteries. Other types of

batteries may burst, causing personal injury anddamage.

ENGLISH

CAUTION: Children should be supervised to ensure that

they do not play with theappliance.

NOTICE: Under certain conditions, with the charger

plugged into the power supply, the exposed charging

contacts inside the charger can be shorted by foreign

material. Foreign materials of a conductive nature such

as, but not limited to, steel wool, aluminum foil or any

buildup of metallic particles should be kept away from

charger cavities. Always unplug the charger from the

power supply when there is no battery pack in the cavity.

Unplug charger before attempting toclean.

• DO NOT attempt to charge the battery pack with any

chargers other than the ones in this manual. The charger

and battery pack are specifically designed to worktogether.

• These chargers are not intended for any uses other than

charging DeWALT rechargeable batteries. Any other uses

may result in risk of fire, electric shock orelectrocution.

• Do not expose charger to rain orsnow.

• Pull by plug rather than cord when disconnecting

charger. This will reduce risk ofdamage to electric plug

andcord.

• Make sure that cord is located so that it will not be

stepped on, tripped over, or otherwise subjected to

damage orstress.

• Do not use an extension cord unless it is absolutely

necessary. Use of improper extension cord could result in risk

of fire, electric shock, orelectrocution.

• Do not place any object on top of charger or place

the charger on a soft surface that might block the

ventilation slots and result in excessive internal heat.

Place the charger in a position away from any heat source. The

charger is ventilated through slots in the top and the bottom

of thehousing.

• Do not operate charger with damaged cord or plug—

have them replacedimmediately.

• Do not operate charger if it has received a sharp blow,

been dropped, or otherwise damaged in any way. Take it

to an authorised servicecentre.

• Do not disassemble charger; take it to an authorised

service centre when service or repair is required. Incorrect

reassembly may result in a risk of electric shock, electrocution

orfire.

• In case of damaged power supply cord, the supply cord must

be replaced immediately by the manufacturer, its service agent

or similar qualified person to prevent anyhazard.

• Disconnect the charger from the outlet before

attempting any cleaning. This will reduce the risk of

electric shock. Removing the battery pack will not reduce

thisrisk.

• NEVER attempt to connect two chargerstogether.

• The charger is designed to operate on standard 220‑

240V household electrical power. Do not attempt to

use it on any other voltage. This does not apply to the

vehicularcharger.

Charging a Battery (Fig.B)

NOTE: To ensure maximum performance and life of lithium‑ion

battery packs, charge the battery pack fully before firstuse.

1. Plug the charger into an appropriate outlet before inserting

batterypack.

2. Insert the battery pack 16 into the charger, making sure the

battery pack is fully seated in the charger. The red (charging)

light will blink repeatedly indicating that the charging

process hasstarted.

3. The Stage 1charging blink indicator represents the

charge process that charges the majority of the battery's

capacity. Stage2charging blink indicator represents the

remainder, or top off charge process, for the battery to reach

fullcapacity.

4. The completion of charge for Stage 1or Stage 2will be

indicated by the stage's light remaining ON continuously.

The battery pack is fully charged when both Stage1and

Stage 2charging lights remain ON continuously, and it may

be removed and used at this time or left in thecharger.

NOTE: To remove the battery pack, some chargers require the

battery pack release button 17 to bepressed.

Refer to the indicators below for the charge status of the

batterypack.

Indicators

Stage 1Charging

Stage 2Charging

Fully Charged

Hot/Cold Pack Delay*

* The red light will continue to blink, but a yellow indicator light

will be illuminated during this operation. Once the battery pack

has reached an appropriate temperature, the yellow light will

turn off and the charger will resume the chargingprocedure.

The compatible charger(s) will not charge a faulty battery pack.

The charger will indicate faulty battery by refusing tolight.

NOTE: This could also mean a problem with acharger.

If the charger indicates a problem, take the charger and battery

pack to be tested at an authorised servicecentre.

Hot/Cold Pack Delay

When the charger detects a battery pack that is too hot or too

cold, it automatically starts a Hot/Cold Pack Delay, suspending

charging until the battery pack has reached an appropriate

temperature. The charger then automatically switches to the

pack charging mode. This feature ensures maximum battery

packlife.

A cold battery pack will charge at a slower rate than a warm

battery pack. The battery pack will charge at that slower rate

throughout the entire charging cycle and will not return to

maximum charge rate even if the battery packwarms.

ENGLISH

The DCB118 charger is equipped with an internal fan designed

to cool the battery pack. The fan will turn on automatically when

the battery pack needs to be cooled. Never operate the charger

if the fan does not operate properly or if ventilation slots are

blocked. Do not permit foreign objects to enter the interior of

the charger.

Electronic Protection System

XR Li‑Ion tools are designed with an Electronic Protection

System that will protect the battery pack against overloading,

overheating or deepdischarge.

The tool will automatically turn off if the Electronic Protection

System engages. If this occurs, place the lithium‑ion battery

pack on the charger until it is fullycharged.

Wall Mounting

These chargers are designed to be wall mountable or to sit

upright on a table or work surface. If wall mounting, locate the

charger within reach of an electrical outlet, and away from a

corner or other obstructions which may impede air flow. Use

the back of the charger as a template for the location of the

mounting screws on the wall. Mount the charger securely using

drywall screws (purchased separately) at least 25.4mm long

with a screw head diameter of 7–9mm, screwed into wood to

an optimal depth leaving approximately 5.5mm of the screw

exposed. Align the slots on the back of the charger with the

exposed screws and fully engage them in theslots.

Charger Cleaning Instructions

WARNING: Shock hazard. Disconnect the charger

from the AC outlet before cleaning. Dirt and grease

may be removed from the exterior of the charger using a

cloth or soft non‑metallic brush. Do not use water or any

cleaning solutions. Never let any liquid get inside the tool;

never immerse any part of the tool into aliquid.

Battery Packs

Important Safety Instructions for All

BatteryPacks

When ordering replacement battery packs, be sure to include

catalogue number andvoltage.

The battery pack is not fully charged out of the carton. Before

using the battery pack and charger, read the safety instructions

below. Then follow charging proceduresoutlined.

READ ALL INSTRUCTIONS

• Do not charge or use battery in explosive atmospheres,

such as in the presence of flammable liquids, gases or

dust. Inserting or removing the battery from the charger may

ignite the dust orfumes.

• Never force battery pack into charger. Do not modify

battery pack in any way to fit into a non‑compatible

charger as battery pack may rupture causing serious

personalinjury.

• Charge the battery packs only in DeWALTchargers.

• DO NOT splash or immerse in water or otherliquids.

• Do not store or use the tool and battery pack in locations

where the temperature may fall below 4˚C (39.2˚F)

(such as outside sheds or metal buildings in winter), or

reach or exceed 40˚C (104˚F) (such as outside sheds or

metal buildings insummer).

• Do not incinerate the battery pack even if it is severely

damaged or is completely worn out. The battery pack can

explode in a fire. Toxic fumes and materials are created when

lithium‑ion battery packs areburned.

• If battery contents come into contact with the skin,

immediately wash area with mild soap and water. If

battery liquid gets into the eye, rinse water over the open eye

for 15minutes or until irritation ceases. If medical attention

is needed, the battery electrolyte is composed of a mixture of

liquid organic carbonates and lithiumsalts.

• Contents of opened battery cells may cause respiratory

irritation. Provide fresh air. If symptoms persists, seek

medicalattention.

WARNING: Burn hazard. Battery liquid may be

flammable if exposed to spark orflame.

WARNING: Never attempt to open the battery pack for

any reason. If battery pack case is cracked or damaged,

do not insert into charger. Do not crush, drop or damage

battery pack. Do not use a battery pack or charger that

has received a sharp blow, been dropped, run over or

damaged in any way (i.e., pierced with a nail, hit with

a hammer, stepped on). Electric shock or electrocution

may result. Damaged battery packs should be returned to

service centre forrecycling.

WARNING: Fire hazard. Do not store or carry the

battery pack so that metal objects can contact

exposed battery terminals. For example, do not place

the battery pack in aprons, pockets, tool boxes, product kit

boxes, drawers, etc., with loose nails, screws, keys,etc.

CAUTION: When not in use, place tool on its side on

a stable surface where it will not cause a tripping

or falling hazard. Some tools with large battery packs

will stand upright on the battery pack but may be easily

knockedover.

Transportation

WARNING: Fire hazard. Transporting batteries can

possibly cause fire if the battery terminals inadvertently

come in contact with conductive materials. When

transporting batteries, make sure that the battery

terminals are protected and well insulated from

materials that could contact them and cause a short

circuit. NOTE: Lithium‑ion batteries should not be put in

checkedbaggage.

DeWALT batteries comply with all applicable shipping

regulations as prescribed by industry and legal standards which

include UN Recommendations on the Transport of Dangerous

Goods; International Air Transport Association (IATA) Dangerous

Goods Regulations, International Maritime Dangerous Goods

(IMDG) Regulations, and the European Agreement Concerning

The International Carriage of Dangerous Goods by Road

(ADR). Lithium‑ion cells and batteries have been tested to

section 38.3of the UN Recommendations on the Transport of

Dangerous Goods Manual of Tests andCriteria.

ENGLISH

In most instances, shipping a DeWALT battery pack will be

excepted from being classified as a fully regulated Class

9Hazardous Material. In general, only shipments containing a

lithium‑ion battery with an energy rating greater than 100Watt

Hours (Wh) will require being shipped as fully regulated Class 9.

All lithium‑ion batteries have the Watt Hour rating marked on

the pack. Furthermore, due to regulation complexities, DeWALT

does not recommend air shipping lithium‑ion battery packs

alone regardless of Watt Hour rating. Shipments of tools with

batteries (combo kits) can be air shipped as excepted if the Watt

Hour rating of the battery pack is no greater than 100Wh.

Regardless of whether a shipment is considered excepted

or fully regulated, it is the shipper's responsibility to consult

the latest regulations for packaging, labeling/marking and

documentationrequirements.

The information provided in this section of the manual is

provided in good faith and believed to be accurate at the time

the document was created. However, no warranty, expressed or

implied, is given. It is the buyer’s responsibility to ensure that its

activities comply with the applicableregulations.

Transporting the FLEXVOLTTM Battery

The DeWALT FLEXVOLTTM battery has two modes: Use

andTransport.

Use Mode: When the FLEXVOLTTM battery stands alone or is

in a DeWALT 18V (20V Max) product, it will operate as an 18V

(20V Max) battery. When the FLEXVOLTTM battery is in a 54V

(60V Max) or a 108V (120V Max) (two 54V (60V Max)batteries)

product, it will operate as a 54V(60V Max) battery.

Transport Mode: When the cap is attached to the FLEXVOLTTM

battery, the battery is in Transport mode. Keep the cap

forshipping.

When in Transport mode, strings

of cells are electrically

disconnected within the pack

resulting in 3batteries with a

lower Watt hour (Wh) rating as compared to 1battery with a

higher Watt hour rating. This increased quantity of 3batteries

with the lower Watt hour rating can exempt the pack from

certain shipping regulations that are imposed upon the higher

Watt hour batteries.

For example, the Transport

Wh rating might indicate

3x36Wh, meaning

3batteries of 36Wh each.

The Use Wh rating might

indicate 108Wh (1batteryimplied).

Storage Recommendations

1. The best storage place is one that is cool and dry away

from direct sunlight and excess heat or cold. For optimum

battery performance and life, store battery packs at room

temperature when not inuse.

2. For long storage, it is recommended to store a fully charged

battery pack in a cool, dry place out of the charger for

optimalresults.

Example of Use and Transport Label Marking

NOTE: Battery packs should not be stored completely depleted

of charge. The battery pack will need to be recharged beforeuse.

Labels on Charger and Battery Pack

In addition to the pictographs used in this manual, the

labels on the charger and the battery pack may show the

followingpictographs:

LRead instruction manual beforeuse.

p See Technical Data for chargingtime.

q Do not probe with conductiveobjects.

r Do not charge damaged batterypacks.

s Do not expose towater.

t Have defective cords replacedimmediately

u Charge only between 4˚C and 40˚C.

v Only for indooruse.

x Discard the battery pack with due care for

theenvironment.

y Charge battery packs only with designated DeWALT

chargers. Charging battery packs other than the

designated DeWALT batteries with a DeWALT

charger may make them burst or lead to other

dangeroussituations.

z Do not incinerate the batterypack.

B USE (without transport cap). Example: Wh rating

indicates 108Wh (1battery with 108Wh).

A TRANSPORT (with built‑in transport cap). Example: Wh

rating indicates 3x 36Wh (3batteries of 36Wh).

Battery Type

The following tools operate on an 18‑volt (20V Max) battery

pack: DCMPS520.

Refer to Technical Data for morebatteries information.

Package Contents

The DCMPS520 package contains:

1 Pruning Saw

1 Guide Bar

1 20 cm Saw Chain

1 Guide Bar Cover

ENGLISH

1 Wrench

Li‑Ion battery pack

1 Instruction manual

NOTE: Battery packs, chargers and kitboxes are not included

with N models. Battery packs and chargers are not included with

NT models. Bmodels include Bluetooth® batterypacks.

NOTE: The Bluetooth® word mark and logos are registered

trademarks owned by the Bluetooth®, SIG, Inc. and any use of

such marks by DeWALT under license. Other trademarks and

trade names are those of their respectiveowners.

• Check for damage to the tool, parts or accessories which may

have occurred duringtransport.

• Take the time to thoroughly read and understand this manual

prior tooperation.

Markings on Tool

The following pictograms are shown on the tool:

a Read instruction manual beforeuse.

Wear eye, ear and head protection.

Wear gloves.

Wear proper foot protection.

Do not expose the tool to rain or high

humidity or leave

outdoors while it israining.

Contact of the guide bar tip with any object should

beavoided.

Rotational direction of the sawchain.

Always use two hands when operating

thepruningsaw.

Switch the tool off. Before performing any maintenance

on the tool, remove the battery from thetool.

Directive 2000/14/EC guaranteed soundpower.

Date Code Position (Fig.A)

The production date code 24 consists of a 4‑digit year followed

by a 2‑digit week and is extended by a 2‑digit factorycode.

Description (Fig.A)

WARNING: Never modify the power tool or any part of it.

Damage or personal injury couldresult.

1 Trigger switch

2 Lock‑off lever

3 Front hand guard

4 Guide bar

5 Saw chain

6 Bar tip guard

7 Chain assembly cover

8 Bar lock nut

9 Chain tensioning screw

10 Oil level indicator

11 Oil cap

12 Guide bar cover

13 Wrench

14 Rear handle

15 Front handle

16 Battery pack

17 Battery pack release button

Intended Use

The DCMPS520 pruner saw is designed for cutting limbs or logs

up to 15cm indiameter. The pruner saw is not intended to be

operated in a tree, on a ladder, from any unstable support and

should always be operated with two hands.

DO NOT use under wet conditions, during heavy winds/storms,

or in presence of flammable liquids orgases.

DO NOT use in dark or foggy conditions. This tool is to be used

with sufficient light.

These pruners are professional powertools.

DO NOT let children come into contact with the tool.

• Young children and the infirm. This appliance is not

intended for use by young children or infirm persons.

• This product is not intended for use by persons (including

children) suffering from diminished physical, sensory or

mental abilities; lack of experience, knowledge or skills.

Children should never be left alone with thisproduct.

ASSEMBLY AND ADJUSTMENTS

WARNING: To reduce the risk of serious personal

injury, turn tool off and disconnect battery pack

before making any adjustments or removing/

installing attachments or accessories. An accidental

start‑up can causeinjury.

WARNING: Use only DeWALT batteries andchargers.

Inserting and Removing the Battery Pack

from the Tool (Fig.B)

NOTE: Make sure your battery pack 16 is fullycharged.

To Install the Battery Pack into the Tool Handle

1. Align the battery pack with the rails inside the tool’s

handle(Fig. B).

2. Slide it into the handle until the battery pack is firmly seated

in the tool and ensure that you hear the lock snap intoplace.

ENGLISH

10. Follow the instructions in the section Adjusting

ChainTension.

Adjusting Chain Tension (Fig. A, C–F)

WARNING: Incorrect saw chain tension can cause the

saw chain to come off of the guide bar and could cause

serious injury or death.

NOTE: Saw chain tension should be adjusted regularly before

eachuse.

1. With the saw still on a firm surface check the saw chain5

tension. The tension is correct when the saw chain snaps

back after being pulled 1/8" (3 mm) away from the guide

bar4 with light force from the middle finger and thumb

as shown in Fig.E. There should be no “sag” between the

guide bar and the saw chain on the underside as shown in

Fig.F.

2. To adjust saw chain tension, loosen bar lock nut8.

3. Rotate the chain tensioning screw9 in the front of the

housing using the flat screwdriver end of thewrench 13 .

4. Check saw chain tension, adjust ifneeded.

5. Do not over‑tension the saw chain as this will lead to

excessive wear and will reduce the life of the guide bar and

saw chain.

6. Once saw chain tension is correct, tighten bar lock nut8

untilsnug

. Torque the bar lock nut8 to 6 ft‑lbs (8 Nm).

7. A new chain stretches slightly during the first few hours of

use. It is important to check the tension frequently (after

disconnecting battery remove the battery pack) during the

first twohours ofuse.

Replacing the Saw Chain (Fig.A, C–G)

WARNING: Sharp moving chain. To prevent accidental

operation, ensure that battery is removed from the tool

before performing the following operations. Failure to do

this could result in serious personalinjury.

CAUTION: Sharp chain. Always wear protective gloves

when handling the saw chain. The saw chain is sharp and

can cut you when it is notrunning.

CAUTION: The chain speed of this product is 8.6 m/s. Only

use chains that are rated at greater than 8.6 m/s.

1. Place the saw on a flat, firmsurface.

2. Remove chain assembly cover7 as described in Installing

the Guide Bar and Saw Chainsection.

3. To remove the saw chain5, rotate the chain tensioning

screw9 in the front of the housing using the flat

screwdriver end of the wrench. Turning the screw

counterclockwise allows the guide bar4 to recede and

reduces the tension on the chain so that it may beremoved.

4. Wearing protective gloves, grasp the saw chain and lift the

worn saw chain out of the groove in the guidebar.

5. Ensure guide bar is installed with the bar tip guard 6

positioned as shown in Fig.E.

6. Place the new chain in the slot of the guide bar, making sure

the saw teeth are facing the correct direction by matching

the arrow and graphic of the saw chain on the chain

assembly cover7 shown in Fig.G.

To Remove the Battery Pack from the Tool

1. Press the battery release button 17 and firmly pull the

battery pack out of the toolhandle.

2. Insert battery pack into the charger as described in the

charger section of thismanual.

Fuel Gauge Battery Packs (Fig.B)

Some DeWALT battery packs include a fuel gauge which consists

of three green LED lights that indicate the level of charge

remaining in the batterypack.

To actuate the fuel gauge, press and hold the fuel gauge

button20. A combination of the three green LED lights will

illuminate designating the level of charge left. When the level

of charge in the battery is below the usable limit, the fuel gauge

will not illuminate and the battery will need to berecharged.

NOTE: The fuel gauge is only an indication of the charge left on

the battery pack. It does not indicate tool functionality and is

subject to variation based on product components, temperature

and end‑userapplication.

Installing the Guide Bar and Saw Chain

(Fig. A, C–G)

CAUTION: Sharp chain. Always wear protective gloves

when handling the saw chain. The saw chain is sharp and

can cut you when it is notrunning.

WARNING: Sharp moving chain. To prevent accidental

operation, ensure that battery is removed from the tool

before performing the following operations. Failure to do

this could result in serious personalinjury.

If the saw chain5 and guide bar4 are packed separately in the

carton, the chain has to be attached to the bar, and both must

be attached to the body of thetool.

1. Place the saw on a flat, firmsurface.

2. Rotate the bar lock nut8 counterclockwise with the

wrench13 provided.

3. Remove chain assembly cover7 and bar lock nut8.

4. Wearing protective gloves, grasp the saw chain5 and wrap

it around the guide bar4, ensuring the teeth are facing the

correct direction (Fig.G).

5. Ensure the saw chain is properly set in the slot around the

entire guidebar.

6. Place the saw chain around the sprocket22 while lining up

the slot on the guide bar with chain tensioning pin19, and

the bolt18, on the base of the tool as shown in Fig.D.

7. Once in place, hold the bar still, replace chain assembly

cover7. Install the rear of the sprocket cover first, rotate

it down and make sure the bolt hole on the cover lines up

with the bolt18 on the mainhousing.

8. Install the bar lock nut8 and rotate clockwise with the

wrench13 provided

until snug

, then loosen nut one full

turn, so that the saw chain can be properlytensioned.

9. Rotate the chain tensioning screw9 clockwise to increase

tension as shown in Fig.D. Make sure the saw chain5 is

snug around the guide bar4. Tighten the bar lock nut8

untilsnug

ENGLISH

7. Follow instructions for Installing the Guide Bar and

SawChain.

Replacement chain and bar are available from your

nearest authorized servicecenter.

The DCMPS520 requires replacement 8"(203mm) chain

DT20693

Replacement 8" (203mm) barDT20694.

Saw Chain and Guide Bar Oiling (Fig.A)

Auto Oiling System

This pruner is equipped with an auto oiling system that keeps

the saw chain and guide bar constantly lubricated.

1. The oil level indicator10 shows the level of the oil in the

pruner. If the oil level is less than a quarter full, remove

the battery from the pruner and refill the oil tank with the

correct type of oil.

2. Always empty oil tank when finishedcutting.

3. Always empty oil tank before storing this unit.

NOTE: Do not operate this pruner without oil.

NOTE: Always use a high‑quality, biodegradable bar and chain

oil for proper saw chain and bar lubrication. When pruning

trees, vegetable‑based bar and chain oil is recommended, as

mineral‑based oils may harm living trees. Never use dirty, used,

or contaminated oil. Doing so may damage the tool.

Filling the Oil Reservoir

1. Unscrew counterclockwise and then remove the oil cap11.

Fill the reservoir with the recommended bar and chain

oil until the oil level has reached the top of the oil level

indicator10.

2. Refit the oil cap and tightenclockwise.

3. Periodically switch the pruner off and check the oil

level indicator to ensure the bar and chain are being

properlyoiled.

Guide Bar Cover and Wrench Storage

(Fig.A, H–J)

The guide bar cover12 has two functions, to cover the guide

bar4 when the tool is not in use and to store the wrench13 .

Guide Bar Cover

1. To open the guide bar cover12, lift up on the latch 25 and

pull the two halves apart.

2. Fit the guide bar cover12 onto the guide bar4 as shown

in Fig. A, H–J. Ensure that the retaining pin 29 on the guide

bar cover 12 aligns with the retaining hole 30 on the

guide bar4.

3. To close the guide bar cover12, close the two halves and

ensure the latch 25 is secured to the notch 26 .

Wrench

1. Open the guide bar cover 12 to gain access to the

wrench13 .

2. Remove the wrench13 by lifting the wrench end up and

away from the guide bar cover.

3. Store the wrench in the guide bar cover when finished. First

install flat screwdriver end of the wrench into the retaining

slot 27 and then press the wrench end down until the

retaining clips 28 firmly secure the wrench13 in place.

Bar Tip Guard (Fig.A)

WARNING: Never operate the pruner without the

bar tip guard properly mounted on the guide bar to

prevent rotational kickback.

The bar tip guard 6 reduces the chance of the saw chain 5

at the end of the guide bar 4 from coming into contact with

objects which may cause the bar and saw chain to kickback

towards the operator. In addition to reducing the chance of

kickback, the bar tip guard 6 will reduce the chance of the

chain from touching the ground.

Transporting Pruner (Fig.A, I)

• Always turn unit off, remove the battery and cover the guide

bar4 with the guide bar cover12 when transporting

thepruner.

OPERATION

Instructions for Use

WARNING: Always observe the safety instructions and

applicableregulations.

WARNING: To reduce the risk of serious personal

injury, turn tool off and disconnect battery pack

before making any adjustments or removing/

installing attachments or accessories. An accidental

start‑up can causeinjury.

Proper Hand Position (Fig.A, K)

WARNING: To reduce the risk of serious personal injury,

ALWAYS use proper hand position asshown.

WARNING: To reduce the risk of serious personal

injury, ALWAYS hold securely in anticipation of a

suddenreaction.

Proper hand position requires the left hand on the front

handle15, under the front hand guard 3 , with the right hand

on the rear handle14.

NOTE: DO NOT hold the saw by the front hand guard 3 .

Operating the Pruner (Fig.A)

WARNING: Read and understand all instructions. Failure

to follow all instructions listed below may result in electric

shock, fire and/or serious personalinjury.

• Guard Against Kickback which can result in severe

injury or death. See Important Safety Instructions

Causes and Operator Prevention ofKickback, to

avoid the risk ofkickback.

• Do not overreach. Do not cut above chest height.

Make sure your footing is firm. Keep feet apart. Divide

your weight evenly on bothfeet.

• Use a firm grip with your left hand on the front

handle15 and your right hand on the rear

handle14 so that your body is to the left of the

guidebar.

ENGLISH

WARNING: Do not hold pruner by front hand guard.

Keep elbow of left arm locked so that left arm is straight to

withstand akickback.

WARNING: Never use a cross‑handed grip (left hand on

the rear handle and right hand on the fronthandle).

WARNING: Never allow any part of your body to be in line

with the guide bar when operating thepruner.

• Never operate pruner while in a tree, in any awkward

position or on a ladder or other unstable surface. You

may lose control of pruner causing severeinjury.

• Keep the pruner running at full speed the entire time

you arecutting.

• Allow the chain to cut for you. Exert only light pressure.

Do not put pressure on pruner at end ofcut.

WARNING: When not in use always have the chain

brake (if equipped) engaged, unit turned off and

remove the battery pack.

WARNING: Never operate the pruner without the

bar tip guard properly mounted on the guide bar to

prevent rotational kickback.

ON/OFF Switch (Fig.A)

WARNING: Never attempt to lock a switch in the

ONposition.

Always be sure of your footing and grip the pruner firmly with

both hands with the thumb and fingers encircling bothhandles.

1. To turn the unit on, push down on the lock‑off lever2,

shown in Fig.A, and squeeze the trigger switch1. Once the

unit is running, you may release the lock‑offlever.

2. To keep the unit running you must continue to squeeze the

trigger switch1.

3. To turn the unit off, release thetrigger switch1.

NOTE: If too much force is applied while making a cut the

pruner will turn off. To restart pruner, you must release the

lock‑off lever2 and the trigger switch1 before the pruner will

restart. Begin your cut again, this time with less force. Allow the

pruner to cut at its ownpace.

Common Cutting Techniques

Limbing

Removing the branches from a fallen tree. When limbing, leave

larger lower limbs to support the log off the ground. Remove

the small limbs in one cut. Branches under tension should be

cut from the bottom of the branch towards the top to avoid

binding the pruner as shown below. Trim limbs from opposite

side keeping tree stem between you and pruner. Never make

cuts with pruner between your legs or straddle the limb to

becut.

Bucking

WARNING: Recommend that first‑time users should

practice cutting on a prunerhorse.

Cutting a felled tree or log into lengths. How you should

cut depends on how the log is supported. Use a saw horse

wheneverpossible as shownbelow.

1. Always start a cut with the pruner chain running at

fullspeed.

2. Place the ribbed bumper21 of the pruner behind the area

of the initial cut as shownbelow.

3. Turn the pruner on then rotate the pruner chain and bar

down into the tree, using the ribbed bumper as ahinge.

4. Once the pruner gets to a 45° angle, level the pruner again

and repeat steps until you cut fullythrough.

5. When the tree is supported along its entire length, make a

cut from the top (overbuck), but avoid cutting the earth as

this will dull your prunerquickly.

CUT FROM TOP (OVERBUCK)

AVOID CUTTING EARTH

• When supported at one end first, cut 1/3 the diameter from

the underside (underbuck). Then make the finishing cut by

overbucking to meet the firstcut as shownbelow.

ENGLISH

2nd CUT OVERBUCK

(2/3 DIAMETER)

TO MEET 1st CUT

(TO AVOID PINCHING)

1st CUT UNDERBUCK

(1/3 DIAMETER)

AVOID SPLINTERING

• When supported at bothends. First, cut 1/3 down from the

top overbuck. Then make the finished cut by underbucking the

lower 2/3 to meet the firstcut as shownbelow.

2nd CUT UNDERBUCK

(2/3 DIAMETER)

TO MEET 1st CUT

(TO AVOID PINCHING)

1st CUT OVERBUCK

(1/3 DIAMETER)

TO AVOID SPLINTERING

• When on a slope always stand on the uphill side of the

log. When “cutting through,” to maintain complete control

reduce the cutting pressure near the end of the cut without

relaxing your grip on the pruner handles. Don’t let the chain

contact the ground. After completing the cut, wait for the

pruner chain to stop before you move the pruner. Always

stop the motor before moving from cut tocut.

MAINTENANCE

Your power tool has been designed to operate over a long

period of time with a minimum of maintenance. Continuous

satisfactory operation depends upon proper tool care and

regularcleaning.

WARNING: To reduce the risk of serious personal

injury, turn tool off and disconnect battery pack

before making any adjustments or removing/

installing attachments or accessories. An accidental

start‑up can causeinjury.

The charger and battery pack are notserviceable.

Lubrication

Refer to Auto Oiling System described in the Saw Chain and

Guide Bar Oiling section.

Cleaning

WARNING: Electrical shock and mechanical hazard.

Disconnect the electrical appliance from the power source

beforecleaning.

WARNING: To ensure safe and efficient operation,

always keep the electrical appliance and the ventilation

slotsclean.

WARNING: Never use solvents or other harsh chemicals

for cleaning the non‑metallic parts of the tool. These

chemicals may weaken the materials used in these parts.

Use a cloth dampened only with water and mild soap.

Never let any liquid get inside the tool; never immerse any

part of the tool into aliquid.

Ventilation slots can be cleaned using a dry, soft non‑metallic

brush and/or a suitable vacuum cleaner. Do not use water or

any cleaning solutions. Wear approved eye protection and an

approved dustmask.

Saw Chain and Guide Bar

After every few hours of use, remove the chain assembly cover,

guide bar and saw chain and clean thoroughly using a soft

bristle brush. Ensure oiling hole on bar is clear of debris.

Sprocket and Chain Assembly Cover

(Fig.A, C–G)

CAUTION: Sharp chain. Always wear protective gloves

when handling the saw chain. The saw chain is sharp and

can cut you when it is notrunning.

WARNING: Sharp moving chain. To prevent accidental

operation, ensure the battery is removed from the tool

before performing the following operations. Failure to do

this could result in serious personalinjury.

1. Place the saw on a flat, firmsurface.

2. Remove chain assembly cover7 as described in Installing

the Guide Bar and Saw Chainsection.

3. Wearing protective gloves, use a clean, soft bristle brush to

wipe away any saw dust, sticks, vines or other debris that

may have collected inside the chain assembly cover7 and

around the saw chain5 or sprocket22.

4. Rotate the chain tensioning screw9 using the flat

screwdriver end of thewrench13. Turning the screw

counterclockwise allows the guide bar4 to recede and

reduces the tension on the chain so that it may beremoved.

5. Wearing protective gloves, grasp the saw chain and

guidebar and lift them away from the tool.

6. Wearing protective gloves, use a clean, soft bristle brush

to wipe away any saw dust or other debris that may have

collected on the guide bar4 and around the saw chain5.

7. Install the chain, guide bar and chain assembly cover7

as described in Installing the Guide Bar and Saw Chain,

Replacing the Saw Chainsections and adjust chain tension

properly before use as described in theAdjustingChain

Tensionsection.

Optional Accessories

WARNING: Since accessories, other than those offered

by DeWALT, have not been tested with this product, use

of such accessories with this tool could be hazardous.

To reduce the risk of injury, only DeWALT‑recommended

accessories should be used with thisproduct.

Consult your dealer for further informtion on the

appropriateaccessories.

ENGLISH

Saw Chain Sharpening (Fig.L–N)

CAUTION: Sharp chain. Always wear protective gloves

when handling the chain. The chain is sharp and can cut

you when it is notrunning.

WARNING: Sharp moving chain. To prevent accidental

operation, ensure that battery is removed from the tool

before performing the following operations. Failure to do

this could result in serious personalinjury.

WARNING: Do not over file chain rakers, this will increase

the risk of kickback. If the chain has been sharpened more

than four times, replaceit.

Each time the chain is sharpened, it loses some of the low

kickback qualities and extra caution should beused.

It is recommended that a saw chain be sharpened no more

than fourtimes.

NOTE: The cutters will dull immediately if they touch the

ground/dirt or a nail whilecutting.

To get the best possible performance from your pruner it is

important to keep the teeth of the saw chain sharp. Follow

these helpful tips for proper saw chain sharpening:

1. For best results use a 11/64" (4.5 mm) file and a file holder or

filing guide to sharpen your saw chain. This will ensure you

always get the correct sharpeningangles.

2. Place the file holder flat on the top plate and depth gauge

of thecutter.

3. Keep the correct top plate23 filing angle line of 30° on

your file guide parallel with your chain (file at 60° from

chain viewed from the side) as shownin Fig. L.

4. Sharpen cutters on one side of the chain first. File from the

inside of each cutter to the outside. Then turn your saw

around and repeat the processes (2, 3, 4) for cutters on the

other side of thechain.

NOTE: Use a flat file to file the tops of the rakers (portion

of chain link in front of the cutter) so they are about 0.025"

(0.635mm) below the tips of the cutters as shownin Fig. M.

5. Keep all cutter lengthsequal as shownin Fig. N.

6. If damage is present on the chrome surface of the top plates

or side plates, file back until such damage isremoved.

CAUTION: After filing, the cutter will be sharp, so use extra

caution during thisprocess.

Protecting the Environment

Separate collection. Products and batteries marked

with this symbol must not be disposed of with normal

householdwaste.

Products and batteries contain materials that can be

recovered or recycled, reducing the demand for raw materials.

Please recycle electrical products and batteries according to local

provisions. Further information is available at

www.2helpU.com.

Rechargeable Battery Pack

This long‑life battery pack must be recharged when it fails to

produce sufficient power on jobs that were easily done before. At the

end of its technical life, discard it with due care for ourenvironment:

• Run the battery pack down completely, then remove it from

thetool.

• Li‑Ion cells are recyclable. Take them to your dealer or a

local recycling station. The collected battery packs will be

recycled or disposed ofproperly.

After Service and Repair

DeWALT service centers are staffed with trained personnel to

provide customers with efficient and reliable product service.

We do not take any responsibility when you have repaired

in unauthorized service center. You can refer to the leaflet of

CONTACT CENTER LOCATOR in product package and contact

us through hotline, website or social media to find the nearest

DeWALT service center around you.

简体中文

DCMPS520

电压 VDC 18(最大20)

电池类型锂离子

导板长度 cm 20

最大锯链速度（空载） m/s 8.6

最大切割长度 cm 15

油壶容量 ml 55

重量（不含电池包） kg 2.1

电池充电器 / 充电时间 ( 分钟 )***

型号 VDC 电池容量 (Ah) 重量 (kg)DCB112

DCB1102

DCB115

DCB1104 DCB118

DCB606 18/54 ( 最大 20/60) 6.0/2.0 1.05 170 90 60

DCB609/DCB609G 18/54 ( 最大 20/60) 9.0/3.0 1.46 270 135* 75*

DCB612 18/54 ( 最大 20/60) 12.0/4.0 1.44 350 180 120

DCB182 18 ( 最大 20) 4.0 0.61 120 60 60/40**

DCB203 18 ( 最大 20) 2.0 0.40 60 30 30

DCB184 18 ( 最大 20) 5.0 0.62 150 75 75/50**

DCBP034 18 ( 最大 20) 1.7 0.32 50 27 27

*日期码 201811475B 或以后

**日期码 201536 或以后

***电池包充电时间表仅供参考；实际充电时间将根据电池包的温度和状况而变化。

恭喜！

您选择了

DeWALT

工具。凭借多年的产品开发和创新经验，

DeWALT

已经成为专业电动工具用户最可靠的合作伙伴

之一。

技术数据

警告：为降低伤害风险，请阅读使用手册。

定义：安全指南

下列定义描述了各标志术语的严重程度。请仔细阅读本

手册，并注意这些标志。



危险：表示存在紧急危险情况，如果不加以避免，

将导致死亡或严重伤害。



警告：表示存在潜在的危险情况，如果不加以避

免，可能导致死亡或严重伤害。



小心：表示存在潜在危险情况，如果不加以避免，

可能导致轻度或中度伤害。

注意：表示存在不涉及人身伤害的情况，如果不

加以避免，可能导致财产损失。



表示存在触电风险。



表示存在火灾风险。

电动工具通用安全警告



警告：请阅读本电动工具随附的所有安全警告、

说明、图示和规定。未能遵照以下所列说明会导

致电击、火灾和/或严重伤害。

保存所有警告和说明书以备查阅

警告中的术语“电动工具”指市电驱动（有线）电动工具

或电池驱动（无线）电动工具。

1) 工作场地的安全

a )

保持工作场地清洁和明亮。杂乱和黑暗的场地会

引发事故。

b )

不要在易爆环境，如有易燃液体、气体或粉尘的

环境下操作电动工具。电动工具产生的火花会点

燃粉尘或气体。

c )

操作电动工具时，远离儿童和旁观者。注意力不

集中会使你失去对工具的控制。

2) 电气安全

a )

电动工具插头必须与插座相配。绝不能以任何方

式改装插头。需接地的电动工具不能使用任何转

锂电无刷手持链锯

DCMPS520

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DeWalt DCMPS520N ユーザーマニュアル

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