Wren MP56 取扱説明書

peration Manual

MP erises Hydraulic Pump

Hangzhou WREN Hydraulic Equipment Manufacturing Co.Ltd

Add:No 24 xingxing Road, Xingqiao, Yuhang district, Hangzhou, China

TEL: 0571-88110295 FAX：0571-88110210

code311100

Http：//www.wrenchina.com

[email protected]

Catalog

Important Receiving Instructions …………………………………1

Precaution

Description

Warning!!!

Noise/Vibration And Transport information

Operation Instructions

Explosion Of MP Series Pump

Explosion Of the Pump Module

Explosion Of the A Type Value Set Module

Explosion Of the B Type Value Set Module

Explosion Of the C Type Value Set Module

Explosion Of the D Type Value Set Module

MP Series Electric Pump Control——

Circuit Principle Diagram(Single-Phase 220V)

MP Series Electric Pump Control——

Circuit Principle Diagram(three-Phase 380V)

MP Series Electric Pump Control——

Circuit Principle Diagram(three-Phase 220V)

Hydraulic Principle

Specification & Parameter

EC Declaration Of Conformity

Trouble Shooting Guide Of Hydraulic Pump

Explosion Of the H Type Value Set Module

……………………………………………………2

………………………………………………3

………………………………………8-9

………………………………10

………………12

………………13

………………14

………………15

………………16

…………………17

…………………18

…………………19

……………………………21

………………………………11

………………………………………37

……………………………………………………4

………………………………………6

Maintenance and inspection

………………7

…………………………………22-36

…………………20

Warning Plate

……………………………………………………5

1

OPERATION AND MAINTENANCE MANUAL

FOR MP Series Pump

It is operating manual of MP series pump, please read carefully follow instructions

warnings and cautions before using the tools.

WREN Hydraulic

Safety Guide

The hydraulic of MP series pump's safe usage requires correct operation and

regular inspect. And the user is requested to follow always and carefully .

▲precaution to avoid direct loss in economic or property.

▲warning to avoid personal injury.

Please follow herein before!

When using, if something abnormal happens, please shut off the power

immediately, and then consult WREN or WREN`s agent.

2

FIG1

1.When using, do not permit any person stand at the oil output in order to avoid personal injury and

equipment damage. Please put the pump far away from the fire.

2.Make sure that the hose and quick coupler be connected before building up the pressure in order

to avoid hydraulic fluid spurting out to cause personal injury.

3.The maximum operating pressure of this pump is 70Mpa(10,000Psi),WREN has set up the

pressure to 70Mpa before selling this pump. Please do not adjust to a pressure higher than the

maximum pressure which WREN has not set.

4.If this pump is used for operating other equipments, make sure the maximum operating pressure

of the equipments will be less than 70Mpa. Please adjust the pressure to which the equipment need,

or else the equipment would be damaged.

5.Make sure the power of the pump is shut off before repairing it.

6.If the rapid release of pressure, lifting jack in the load will fall or spring open, may cause injuries;

please refer to WREN or WREN authorized agents, they will recommend you the right valve.

7.Please shut off the switch before starting power; if the switch is on, the pressure may increase.

8.Make sure the equipment be connected with ground to avoid electric shock.

9.Please do not change any part of the pump; if it must be changed, please inform WREN or Wren's

agent for help. Without allowance of WREN or its agent, any refit of it will be out of our warranty

range.

10.Please do not fill the pump reservoir with too much oil, otherwise, the pressure of the reservoir

will increase and the oil will spill over, so the reservoir will be broken and the environment will be

polluted.

11.Make sure the quick coupler is tightened; if the quick coupler is not tightened enough, the

equipment will not work normally; if it is a synchronic system, the problem may cause one or several

pieces of equipment out of order and the quick coupler may be broken and it may cause personal

injury or equipment damage.

12.Please stand away from the position where the hydraulic oil may be spurt out; hydraulic oil may

penetrate your hand and hurt you.

13.If the hydraulic oil splashed in your eyes, please immediately wash your eyes about 15 minutes

with clean water, then you must go to hospital for help right now.

14.Please do not touch the pressurized hose; if the hydraulic oil splashed out, it will cause serious

injury.

15.Hydraulic hose is easily spoiled fitting; you inspect the hose with eyes regularly and find no

problems, but the inner side may have crack and small hole; WREN suggests you should change

the hose regularly for

1.Only WREN hydraudic special oil available.

2.Do not use pressure regulate valve as relief valve.

3.The used hydraulic oil should be put away according to the antipollution ordinance.

PRECAUTION

3

1 MP series electric pump adopts an integrated assembly; by the oil pump, control valve, fuel tank,

pneumatic motors, coolers, instrument consisting of an independent and complete hydraulic device,

has the advantages of small volume, light weight, simple structure, convenient operation, high work

pressure. Pump for high, low pressure oil pump and oil supply, it can obtain the larger oil output.

High pressure, low pressure pump by unloading overflow valve automatic no-load return oil, can

reduce the power consumption, and ( A ) export oil pressure is70 ~ 700Bar arbitrary regulation.

2 Electric hydraulic pump of the hydraulic oil used in:46# wear-resistant hydraulic oil.

3 Hydraulic electric pump working environment temperature: - 10~60 C

4 Use WREN high-pressure hose, quick coupler. The maximum working pressure of high pressure

hose WREN electric hydraulic pump used is 100Mpa, please use the selection and matching

pressure system.

5 This pump for use of hydraulic products, please consult the WREN engineer.

6 Please don't use the electric hydraulic pump near flame.

7 Please do not arbitrarily adjustable pressure regulating valve, in order to avoid the high pressure

caused by equipment damage and personal injury.

1.Oil storage tank: working with hydraulic oil storage, to ensure the normal work of the system ( must

have enough oil ), to provide the required pressure carrier system.

2.Cartridge valve blocks: a replaceable cartridge valve block ( A / B / C / D / H ) to achieve different

control.

3.Motor: provide power source (based on the use of the voltage, frequency selecting motor, see

specific parameters in the motor nameplate ).

4.Pump protection frame: installed in the storage tank, used for carrying, protection of hydraulic

pump station.

DESCRIPTION

DESCRIPTION OF PARTS OF MP SERIES PUMP

EXTERNAL DIMENSION AND OF MP SERIES PUMP

DESCRIPTIONS OF PARTS

ITEM NAME ITEM NAME

1

2

3

4

5

7

8

9

Storage tank

Valve block（A/B/C/D/H)

Electrical moto

Aluminum protection frame

Electronic control box

Cat's eye level gauge

Oil drainage hole

Fast joint

10

Six angle screws

Fuel tank cover

6

F

G

H

9

10

A

BC

E

D

5

6

7

8

1

2

3

4

ITEM MP04 MP08 MP13 MP18 MP24 MP32 MP56

A

B

C

D

E

F

G

H

254mm

430mm

353mm

200mm

240mm

377mm

244mm

290mm

254mm

480mm

403mm

200mm

240mm

379mm

244mm

299mm

314mm

480mm

405mm

260mm

300mm

463mm

320mm

400mm

314mm

510mm

435mm

260mm

300mm

463mm

320mm

400mm

314mm

570mm

495mm

260mm

300mm

463mm

320mm

400mm

460mm

510mm

440mm

460mm

505mm

662mm

600mm

645mm

522mm

600mm

530mm

505mm

522mm

662mm

600mm

645mm

4

5.Electronic control box: Built-in micro electronic control system, control the entire pump.

6.Ventilation hole : The realization of hydraulic oil discharge tank ( replacement of hydraulic oil used

in oil ); cover with ventilation holes, filling the oil cover, a filtering net is arranged to ensure that no

impurities into the tank; tightening oil cover ensure system of air discharged smoothly.

7.Liquid level gauge: Observation of hydraulic oil to ensure that the number, provide the best use of

oil; hydraulic oil below the oil standard1 /3 position, must add WREN pumping station hydraulic oil,

or may damage the pump station

8.Oil unloading hole: Plug G1/ 4", realize hydraulic oil discharge tank ( replacement of hydraulic oil

in use);

9.Fast joint : The realization of hydraulic oil output \ return oil function, fast connecting pipe built-in

type check valve;

10.Six angle screws: Sealing connecting tank

1.MP series electric pump is a double stage pump. High pressure outlet is provided with a pressure

relief valve, a low-pressure outlet pressure is 5 ~ 7Mpa, in 70Mpa state flow 0.8L / m.

2.70Mpa maximum operating pressure

3.Motor voltage:100 ~ 120V,200 ~ 240V,350 ~ 420V optional

4.Temperature: - 10~80 C

5.The 6storage tank ( tank specifications models ):4 ~ 65L7specifications

6. ISO VG 46# hydraulic oil

1.When operating, do not permit anyone stand at the oil output,The oil output must connect other

components when adjusting the pressure.

2.When using, do not overpass the max operating pressure.

3.If need to check motor tank, please shut off the pump.

4. When working, the oil back to oil reservoir may add the pressure. If open the cover plate,

unnecessary injury and damage will happen.

5.Proihbit to operate without oil

6.Keep the pump clean,clean especially the oil inlet, quick couplers.

7.Suggestion: in the condition of not using the pump always, please remember to replace the

hydraulic oil

CHARACTERISTIC

WARNING!!!

5

Warning Plate

Warning plate is shown in table 1

warning table

Meaning

Affixed Position

! WARNING

To help avoid personal injury,read the operating

instructionsbeforeusingthispump.

Disconnect the power supply before any

maintenanceisperformedonthispump.All

electricalworkmustbedonebyaqualified

electrical.

Operators of this hydraulic power supply unit

oroperationsof equipmentpoweredbythis

unit mustbeknowledgeableof hydraulic

equipmenthazardsifanyhydraulic

equipmentisusedi

ncorrectly.

Hy

draulic fluid recommended in operating

instructionsmustbeusedinthispump.

Do not use pump in any type of explosive,

flammable,orgasenvironment.

Escaping hydrauic fluid under pressure can

havesufficientforcetopenetratetheskin

andcauseseriouspersonalinjury.Ifyouare

injuredbyescapinghydraulicfluid,seek

medicalattentionimmediately.Seeoperating

instructions for further precautions to help

prevent thepossibilityofhazardsoccurring

duetoescapinghydraulicfluid.

The Equipment

Enclosure

The Equipment

Enclosure

Warning Notices

For Saft Operation,

Please Read

1. The inspection before operating

(1).Please shut off the pump and inspect whether the position of the power connection is loose or

not. If it is loose, please tighten it.

(2).Please inspect whether the hydraulic oil in the oil reservoir is enough or not, if it is not enough,

please fill the oil in time.

(3).The pump is still working when the direction of the valve is changed, please build up pressure

and inspect whether the whole equipment is normal or not.

(4).Please inspect whether the house and other equipments are leaky or not, if this happened,

please inspect to find the reason and repair it or replace it.

2.The inspection in operation

When inspecting the following items, if there is abnormal situation, please shut off the pump and

repair it.

(1)Please inspect whether there are abnormal condition or not in the course of raising the pressure.

(2)Please inspect whether the houses and other equipments are leaky or not.

(3)Please inspect whether there is some abnormal noise, rocking and smell or not during the

operation of the motor.

(4)Please inspect whether the temperature of hydraulic oil is too high or not.

3.The inspection after finishing the operation of the pump.

(1)Making sure the pump must be turn down.

(2)Please inspect whether there are leaky or abnormal condition or not. If there is abnormal

situation,please inspect to find the reason and repair it

(3)Please clean it after using the pump.

4.Refer to changing the hydraulic oil

The oil should be replaced once a year principally. If there are following abnormal conditions, please

replace the oil immediately.

(1)If dust mixes with the oil, please replace the oil.

(2)If there is abnormal smell, please replace the oil.

(3)If the water mixes with the oil, the colour of the oil has been changed into milkiness, please

replace the oil.

(4)If the colour of the oil has been changed into black-brown, please replace the oil.

5.The way replacing the hydraulic oil

(1)Please loosen the oil filler port of oil reservoir.

(2)Please take down the screw on the flank of the oil reservoir, let hydraulic oil out.

(3)Please clean the inner and filter of the oil reservoir.

(4)Please install the screw and fill the oil reservoir with the hydraulic oil.

WARNING: If the oil splashes into your eyes, please wash with clean water for at least 15 minutes,

and Then see doctor immediately. If the oil splashes to your skin, please wash it with clean water

and soap.

WARNING: Waste hydraulic oil bellows to industrial waste, it should be dealt with by special

companies.

MAINTENANCE AND INSPECTION

6

7

Noise/Vibration And Transport information

1、 Hydraulic pump noise declaration

1) Hydraulic pump

noise value: 70db

≤

2、

transport information.

Hydraulic pump

1) Handle with care.

2)The shipment should be vertical upward, as shown in the figure 9-1.

3) Product handling, generally using portable, car handling and lifting and moving,

.as shown in the figure 9-2

FIG 9-1

FIG 9-2

8

OPERATION INSTRUCTIONS

The type A valve block pump (hand double action ):

1 .Ready

Starting motor before cleaning and inspection of the connector, and then injected into a special

hydraulic oil, in ensure the use of pressure in the pressure range, connected by a hose pump and

operating tools, check whether the correct connection of safety, such as incorrect, hydraulic pump

can not work normally. Check the manual reversing valve to switch the direction shown, according to

working need adjusting valve.

2 .Boot

Turn on the power, start the motor, regulating valve to the forward ( backward ) position, pressure is

increased to the desired pressure value, manual reversing valve is pressure in.

3 .Removing

After the work is finished, stop the motor, cut power off, the manual reversing valve, remove hose.

The type B valve block pump (hand single action ):

1 .Ready

Starting motor before cleaning and inspection of the connector, and then injected into a special

hydraulic oil, in ensure the use of pressure in the pressure range, connected by a hose pump and

operating tools, check whether the correct connection of safety, such as incorrect, hydraulic pump

can not work normally. Check valve manually locking, according to working need adjusting valve

manually ( tighten packing, loosen the pressure relief ).

2 .Boot

Turn on the power, start the motor, is a manual valve, pressure is increased to the desired pressure

value and holding pressure.

3 .Removing

After the work is finished, the stop of the motor, cut off the power supply, loosen the hand valve

pressure relief, remove hose.

The type C valve block pump ( electric control single packing):

1 .Ready

Starting motor before cleaning and inspection of the connector, and then injected into a special

hydraulic oil, in ensure the use of pressure in the pressure range, connected by a hose pump and

operating tools, check whether the correct connection of safety, such as incorrect, hydraulic pump

can not work normally. Remote control switch has two buttons ( the A key to move the boost, B key

to move the pressure relief ).

2 .Boot

Turn on the power, the motor is started, the A key to move the pressure, pressure is increased to the

desired pressure value and pressure, the B key to move the pressure relief, pressure is reduced to

a desired pressure value and holding pressure.

Pressure Hold

at Middle Position

hand

valve

A

B

The type D valve block pump ( electric control single action without packing):

1 ready

Starting motor before cleaning and inspection of the connector, and then injected into a special

hydraulic oil, in ensure the use of pressure in the pressure range, connected by a hose pump and

operating tools, check whether the correct connection of safety, such as incorrect, hydraulic pump

can not work normally. Remote control switch has two buttons ( the A key to move the boost, the B

key spare).

2 boot

Turn on the power, the motor is started, the A key to move the pressure, pressure is increased to the

desired pressure value, when the button is loosened and relief, the B key spare.

3 removing

After the work is finished, stop the motor, cut off the power supply, system pressure relief, remove

hose.

3 .Removing

After the work is finished, stop the motor, cut off the power, pull the electromagnetic valve top

button and let the pressure relief, remove the hose.

A

B

The type H valve block pump ( electronically controlled dual role ):

1 ready

Starting motor before cleaning and inspection of the connector, and then injected into a special

hydraulic oil, in ensure the use of pressure in the pressure range, connected by a hose pump and

operating tools, check whether the correct connection of safety, such as incorrect, hydraulic pump

can not work normally. Remote control switch has two buttons ( the A key to move left to right out,

B key instead ).

2 boot

Turn on the power, the motor is started, the A key to move the pressure, pressure is increased to

the desired pressure value and pressure, the B key. Hose connected in reverse, the B key to move

the pressure, pressure is increased to the desired pressure value and pressure, the A key.

3 removing

After the work is finished, stop the motor, cut off the power, tpull the electromagnetic valve top

button and let the pressure relief, remove hose.

A

B

9

TROUBLE SHOOTING GUIDE OF HYDRAULIC PUMP

The pump can't be started

The voltage isn't suitable

Checked the input air, switch and

distribution box and so on, and

connect the air.

Confirming whether the v oltage

is suitable for the pump's need

The power hasn't be connected

The system has no pressure

The quick coupler hasn't be

connected to the correct position

Take down and reinstall it

No oil in the oil reservoir

Fill in oil

Not enough oil in the oil reservoir

Fill in oil

If the syst

em has a throttle and

hand single-direction valve, please

check if the valve are open

Open the throttle and hand

single-direction valve, and

make sure the system is a circle

After reinstalling the quick

coupler,the system has no

pressure

The quick coupler can't be connected

to the correct position, which causes

no pressure in the system

Take down the quick coupler, check

if the boll is elastic with a rod, if it can't

m

ove, please knock it with a hammer to

eliminate the mist hydraulic oil

Leakage in the quick coupler The o ring and escape have worn out Replace the quick coupler

The pressure can't reach to

the set pressure

The relief valv e is adjusted

too low

Check with the gauge, and adjust the

relief valve to the system set pressure

Oil is mixed with water

Change oil

Not enough oil in the reservoir

Fill in oil

Repeat operating the system with no

load for several times to eliminate the air

Suck in air to the system

The throttle and hand single-direction

valve haven't been tightened

Locking valve

The throttle and hand si

ngle-direction

valve haven't been adjusted to the

correct position

Adjust to the correct position

The throttle and hand single-direction

valve have broken

Replace the valve

There is foreign matter in

the oil

Wash the pump valve and

change clean oil

When using under static pressure,

the pressure reduces slowly

The seal is out of control, please

check all the seal

Replace the seal

Pump during operation with

strong noise

Radial plunger pump bearing

damage

Replace the radial plunger

10

EXPLOSION OF MP SERIES PUMP

ITEM

1

2

3

The tank module

Pump module

Oil return pipe(1)

Petroleum Pipeline

Hydraulic control valve block

Electric control valve block

4

5

6

NAME NAMEITEM

11

12

EXPLOSION OF THE PUMP MODULE

ITEM

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.7.1

2.7.2

2.7.3

2.7.4

2.8

2.9

2.9.1

2.9.2

2.9.3

2.9.4

2.9.5

2.10

2.11

2.12

2.13

2.14

2.15

2.16

2.17

2.18

2.19

2.20

2.21

2.22

2.23

2.24

2.25

2.26

Seal

Deep groove ball bearing

Bearing

Screw

Pump flange

The pump body set

Unloading valve

Unloading valve body

Ring

O Ring

Overpressure valve

Check valve

The one-way valve body

Ring

O Ring

Ring

Separation type pump body

Plug

Filter plate

Screw

Deep groove ball bearing

The circlip for shaft

Empty of elastic ring

Deep groove ball bearing

Plunger 1

Plunger 2

Bearing end plate

Elastic washer

Screw

Connecting piece

Screw

Fitter

1

4

1

1/1

1

2

1/1

1

6

1

4

2

1

12

1

NAME NUM

ITEN

5.1

5.2

5.3

5.3.1

5.3.2

5.3.3

5.3.4

5.4

5.5

5.6

5.7

The WA connection block

Plug

Check valve

Valve body

Ring

O Ring

Ring NPT1/4

Ring

Flat washer

Elastic washer

Screw

Pressure regulating valve

Valve bidy

O Ring

Pressure gauge

Reversing valve

Reversing valve body

O Ring

Screw

1

7

1

1/1

4/1

4

1

1/1

1

Pressure meter joint 1

1

1/1

4/1

5.8

5.9

5.9.1

5.9.2

5.9.3

5.10

5.11

5.12

5.12.1

5.12.2

5.12.3

NAME

NUM NUM NUMNAME NAMEITEN ITEN

EXPLOSION OF THE A TYPE VALVE SET MODULE

13

ITEN

5.1

5.2

5.3

5.3.1

5.3.2

5.3.3

5.3.4

5.4

5.5

5.6

5.7

The WA connection block

Plug

Check valve

Valve body

Ring

O Ring

Ring NPT1/4

Ring

Flat washer

Elastic washer

Screw

Pressure regulating valve

Valve bidy

O Ring

Pressure gauge

Stop valve

Stop valve body

O Ring

1

7

1

1/1

1

4/1

4

1

1/1

1

Pressure meter joint 1

1

1/1

5.8

5.9

5.9.1

5.9.2

5.9.3

5.10

5.11

5.12

5.12.1

5.12.2

5.12.3

NAME

NUM NUM NUMNAME NAMEITEN ITEN

EXPLOSION OF THE B TYPE VALVE SET MODULE

14

ITEN

5.1

5.2

5.3

5.3.1

5.3.2

5.3.3

5.4

5.5

5.6

5.7

The WC connection block

Plug

Pressure regulating valve

Valve body

O Ring

Ring NPT1/4

Sealing ring

Flat washer

Elastic washer

Screw

Check valve

Check valve bidy

Ring

O Ring

Pressure gauge

Electromagnetic valveVG-3)

Electromagnetic valve body

O Ring

1

4

1

1/1

1

4

1

1/1

1

Pressure meter joint 1

1

1/1

2/1

5.8

5.9

5.9.1

5.9.2

5.9.3

O Ring 1/15.9.4

5.10

5.11

5.12

5.12.1

5.12.2

5.12.3

NAME

NUM NUM NUMNAME NAMEITEN ITEN

EXPLOSION OF THE C TYPE VALVE SET MODULE

15

ITEN

5.1

5.2

5.3

5.3.1

5.3.2

5.3.3

5.4

5.5

5.6

5.7

The WC connection block

Plug

Check valve

Valve body

O Ring

Ring NPT1/4

Sealing ring

Flat washer

Elastic washer

Screw

Check valve

Check valve bidy

Ring

O Ring

Pressure gauge

Electromagnetic valve(VGZ-3)

Electromagnetic valve body

O Ring

1

4

1

1/1

1

4

1

1/1

1

Pressure meter joint 1

1

1/1

2/1

5.8

5.9

5.9.1

5.9.2

5.9.3

O Ring 1/15.9.4

5.10

5.11

5.12

5.12.1

5.12.2

5.12.3

NAME

NUM NUM NUMNAME NAMEITEN ITEN

EXPLOSION OF THE D TYPE VALVE SET MODULE

16

EXPLOSION OF THE H TYPE VALVE SET MODULE

ITEN

5.1

5.2

5.3

5.3.1

5.3.2

5.3.3

5.3.4

5.4

5.5

5.6

5.7

The WH connection block

Plug

Check valve

Valve body

Ring

O Ring

Ring NPT1/4

Ring

Flat washer

Elastic washer

Screw

Pressure regulating valve

Valve bidy

O Ring

Electromagnetic valve

Pressure gauge

Valve body

O Ring

1

5

1

1/1

2

1/1

4

1

1/1

1

1/1

4/1

5.8

5.9

5.9.1

5.9.2

5.9.3

5.10

5.11

5.11.1

5.11.2

5.11.3

NAME

NUM NUM NUMNAME NAMEITEN ITEN

17

A TYPE VALVE PUMP

B TYPE VALVE PUMP

C TYPE VALVE PUMP

D TYPE VALVE PUMP H TYPE VALVE PUMP

MP series electric pump control circuit principle diagram ( Single-phase 220V )

（电机线路图）

～

（电机线路图）

～

（电机线路图）

～

（电机线路图）

～

18

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