Hitachi PDA-100K Handling Instructions Manual

Disc Grinder

PDA-100K

Handling instructions

Keep for future reference

English

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1 949-242 4 M5×22

2 949-454 1 M5

3 301-944 1

4 316-484 1 “3, 18”

5 301-941 1 M7

6 317-820 1

7 628-VVC 1

628VVC2PS2-L

8 316-480 1

9 360-567E 1 220V-240V

10 319-898 1

11 320-677 2 D4×70

12 1 340-514E 1 220V-230V

12 2 340-514G 1

220V-230V

“CHN”

13 313-775 1

14 626-VVM 1 626VVC2PS2L

15 309-929 1

16 316-487 1

17 316-486 1

18 301-943 1

19 317-821 1

20 997-263 2 M4×10

21 316-490 1

22 620-1VV 1

6201VVCMPS2L

23 301-946 1

24 316-489 1

25 307-127 4 M4×12

26 302-047 1

27 316-485 1

28 301-945 1

29 308-386 2 M5×16

30 301-949 1

31 301-948 1 “29, 30”

32 320-497 1

33 316-820 1

100MM×4T

A36Q

34 314-437 1

35 317-819 1 “16, 19”

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37 320-675 1 “15”

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40 302-086 1 D4×20

41 306-664 1 D4×40

42 936-551 2

43 999-021 2

44 313-777 2

45 314-354 1

46 980-063 1

47 938-307 1

48 959-140 1

49 994-273 1

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51 304-035 1 D4×25

52 305-499 2 M3.5×6

53 955-509 1

54 980-063 1

55 953-327 1

56 937-631 1

57 984-450 2 D4×16

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501 313-933 1

English

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GENERAL POWER TOOL SAFETY WARNINGS

WARNING

Read all safety warnings and all instructions.

Failure to follow the warnings and instructions may result in electric shock, ﬁ re 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.

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 ﬂ ammable 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.

CONTENTS

GENERAL POWER TOOL SAFETY WARNINGS ........................................16

SAFETY WARNINGS COMMON FOR GRINDING, SANDING OR

CUTTING-OFF OPERATIONS .....................................................................18

KICKBACK AND RELATED WARNINGS .....................................................20

SAFETY WARNINGS SPECIFIC FOR GRINDING AND DIAMOND

WHEEL CUTTING-OFF OPERATIONS ....................................................... 21

ADDITIONAL SAFETY WARNINGS SPECIFIC FOR DIAMOND

WHEEL CUTTING-OFF OPERATIONS ....................................................... 21

SAFETY WARNINGS SPECIFIC FOR SANDING OPERATIONS ................22

PRECAUTIONS ON USING DISC GRINDER ...............................................22

SYMBOLS ....................................................................................................22

SPECIFICATIONS ........................................................................................ 23

STANDARD ACCESSORIES .......................................................................23

OPTIONAL ACCESSORIES (sold separately)..............................................23

APPLICATIONS ............................................................................................24

PRIOR TO OPERATION ...............................................................................24

PRACTICAL GRINDER APPLICATIONS .....................................................25

ASSEMBLING AND DISASSEMBLING THE DEPRESSED CENTER

WHEEL .........................................................................................................26

HOW TO INSTALL THE OPTIONAL ACCESSORIES ..................................26

MAINTENANCE AND INSPECTION ............................................................28

SERVICE PARTS LIST .................................................................................30

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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.

Unmodiﬁ ed 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 inﬂ uence 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 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 ﬁ nger 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.

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,

clothing and gloves 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.

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Use of dust collection can reduce dust-related hazards.

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 the battery pack 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. Check for misalignment or binding of moving parts,

breakage of parts and any other condition that may aﬀ ect the power toolʼs

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 diﬀ erent from those intended could result in a

hazardous situation.

5) Service

a) Have your power tool serviced by a qualiﬁ ed repair person using only identical

replacement parts.

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

CAUTION

Keep children and inﬁ rm persons away.

When not in use, tools should be stored out of reach of children and inﬁ rm persons.

SAFETY WARNINGS COMMON FOR GRINDING,

SANDING OR CUTTING-OFF OPERATIONS

a) This power tool is intended to function as a grind er, sander or cut-oﬀ tool. Read

all safety warnings, instructions, illustrations and speciﬁ cations pro vid ed with this

power tool.

Failure to follow all instructions listed below may result in electric shock, ﬁ re and/or serious

injury.

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b) Operations such as polishing, wire brushing or abrasive cutting-oﬀ are not

recommended to be performed with this power tool.

Operations for which the power tool was not designed may create a hazard and cause

personal injury.

c) Do not use accessories which are not speciﬁ cally designed and recommended by

the tool man u fac tur er.

Just because the accessory can be attached to your power tool, it does not assure safe

operation.

d) The rated speed of the accessory must be at least equal to the maximum speed

marked on the power tool.

Accessories running faster than their rated speed can break and ﬂ y apart.

e) The outside diameter and the thickness of your accessory must be within the

capacity rating of your power tool.

Incorrectly sized accessories cannot be adequately guarded or controlled.

f) The arbour size of wheels, ﬂ anges, backing pads or any other accessory must

properly ﬁ t the spindle of the power tool.

Accessories with arbour holes that do not match the mounting hardware of the power tool

will run out of balance, vibrate excessively and may cause loss of control.

g) Do not use a damaged accessory. Before each use inspect the accessory such

as abrasive wheels for chips and cracks, backing pad for cracks, tear or excess

wear, wire brush for loose or cracked wires. If power tool or accessory is dropped,

inspect for damage or install an undamaged accessory. After inspecting and

installing an accessory, position yourself and bystanders away from the plane of

the rotating accessory and run the power tool at maximum no-load speed for one

minute.

Damaged accessories will normally break apart during this test time.

h) Wear personal protective equipment. Depending on application, use face shield,

safety goggles or safety glasses. As appropriate, wear dust mask, hearing

protectors, gloves and workshop apron capable of stopping small abrasive or

workpiece fragments.

The eye protection must be capable of stopping ﬂ ying debris generated by various

operations. The dust mask or respirator must be capable of ﬁ ltrating particles generated by

your operation. Prolonged exposure to high intensity noise may cause hearing loss.

i) Keep bystanders a safe distance away from work area. Anyone entering the work

area must wear personal protective equipment.

Fragments of workpiece or of a broken accessory may ﬂ y away and cause injury beyond

immediate area of operation.

j) Hold power tool by insulated gripping surfaces only, when performing an operation

where the cutting accessory may contact hidden wiring or its own cord.

Cutting accessory contacting a”live” wire may make exposed metal parts of the power tool

“live” and shock the operator.

k) Position the cord clear of the spinning accessory.

If you lose control, the cord may be cut or snagged and your hand or arm may be pulled

into the spinning accessory.

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l) Never lay the power tool down until the accessory has come to a complete stop.

The spinning accessory may grab the surface and pull the power tool out of your control.

m) Do not run the power tool while carrying it at your side.

Accidental contact with the spinning accessory could snag your clothing, pulling the

accessory into your body.

n) Regularly clean the power tool’s air vents.

The motor’s fan will draw the dust inside the housing and excessive accumulation of

powdered metal may cause electrical hazards.

o) Do not operate the power tool near ﬂ ammable materials.

Sparks could ignite these materials.

p) Do not use accessories that require liquid coolants.

Using water or other liquid coolants may result in electrocution or shock.

KICKBACK AND RELATED WARNINGS

Kickback is a sudden reaction to a pinched or snagged rotating wheel, backing pad or any other

accessory. Pinching or snagging causes rapid stalling of the rotating accessory which in turn

causes the uncontrolled power tool to be forced in the direction opposite of the accessory’s

rotation at the point of the binding.

For example, if an abrasive wheel is snagged or pinched by the workpiece, the edge of the wheel

that is entering into the pinch point can dig into the surface of the material causing the wheel to

climb out or kick out. The wheel may either jump toward or away from the operator, depending

on direction of the wheel’s movement at the point of pinching. Abrasive wheels may also break

under these conditions.

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

and can be avoided by taking proper precautions as given below.

a) Maintain a ﬁ rm grip on the power tool and position your body and arm to allow you

to resist kickback forces. Always use auxiliary handle, if provided, for maximum

control over kickback or torque reaction during start-up.

The operator can control torque reactions or kickback forces, if proper precautions are

taken.

b) Never place your hand near the rotating accessory.

Accessory may kickback over your hand.

c) Do not position your body in the area where power tool will move if kickback

occurs.

Kickback will propel the tool in direction opposite to the wheel’s movement at the point of

snagging.

d) Use special care when working corners, sharp edges etc. Avoid bouncing and

snagging the accessory.

Corners, sharp edges or bouncing have a tendency to snag the rotating accessory and

cause loss of control or kickback.

e) Do not attach a saw chain woodcarving blade or toothed saw blade.

Such blades create frequent kickback and loss of control.

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Hitachi PDA-100K Handling Instructions Manual

Hitachi PDA-100K Handling Instructions Manual

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