Wren 14XLCT105 Operation and Maintenance Manual

OPERATION AND MAINTENANCE MANUAL

IMPORTANT INSTRUCTIONS ON RECEIPT (OPEN PACKAGE INSPECTION)

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②

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ITEM

BODY

360 S° 180° WIVEL JOINT×

QUICK COUPLING

FIXING HOOK

360°SWIVEL REACTION ARM

SQUARE DRIVE

DRIVE RETAINER

NAME

SAFETY FIRST!

The hydraulic torque wrench is a power tool. Read all the instructions, warnings and

cautions before every operation. Comply with the safety precautions to avoid personal

injury or equipment damage while operating this tool! Neither WREN,nor its distributors

are responsible for damage to the tool caused by unsafe and/or faulty operations.

Carefully inspect all components for shipping damages. If any shipping damage is

found, notify the carrier at once. Shipping damage is NOT covered by warranty.

The carrier is responsible for all repairs.

alloy and super high strength alloy steel for increased strength, intensity and durability of the

MXTA series, Square Drive Torque Wrenches:

It is operating manual of MXTA and XLCT series Torque Wrench, please read carefully

with following instruction, warning and Caution before using Tool.

1

MXTA AND XLCT HYDRAULIC TORQUE WRENCHES

tool. Double acting hydraulic design, Can lock and loosen the bolt connection, widely suitable for

PRODUCTIONS DESCRIPTION

-

QUICK RELEASE ARM

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FIG1

large torque bolt and disassembly, High repeatability, a precise design is with accuracy +3%.

-

2

WARNING AND CAUTION

WARNING

CAUTION

To avoid personal injuries and/or equipment damage, be sure that every hydraulic

component of the hydraulic torque wrench, hydraulic hose assembly, hydraulic power

To minimize the danger of injury and damage to equipment: Never use a hydraulic

torque wrench without a hydraulic gauge to indicate the working pressure. The hydraulic

Immediately replace any worn or damaged parts of the tool with genuine WREN replacement

parts .

Reduce damage to the hydraulic hose assembly by avoiding sharp bends and kinks when

routing the hydraulic hose assembly. Using a bent or kinked hydraulic hose assembly will

cause severe back-pressure. Also, sharp bends and kinks will internally damage the hose

leading to premature failure. A kinked or damaged hydraulic hose assembly should be

replaced immediately.

DO NOT drop heavy objects, crush, or drive over the hydraulic hose assembly. A sharp

impact may cause internal damage to the hose wire strands. Applying pressure to a

damaged hose may cause it to rupture. A crushed hydraulic hose assembly should be

ITEM

NAME

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③

④

⑤

⑥

⑧

⑦

LOW PROFILE CASSETTE

POWER HEAD

QUICK COUPLING

REACTION ARM

LINK PIN

RATCHET

360° 360 SWIVEL JOINT× °

⑨

360°SWIVEL JOINT

XLCT series,XLCT Porque Wrenches:

SIDE

①

⑤

⑥

⑧

⑦

④

③

②

⑨

SAFETY FIRST!

pack and gauge are rated for 10,000 PSI (700kg/cm2) operating pressure.

gauge is a window to show what is happening in the hydraulic system.

DO NOT exceed the allowable maximum torque of the hydraulic torque wrench.

CAUTION

replaced immediately.

Avoid high temperature exposure to the hydraulic hose assembly.

CAUTION

ALWAYS INSPECT THE HYDRAULIC HOSE ASSEMBLY FOR DAMAGE AND

WEAR PRIOR TO USE.

To avoid personal injuries, equipment damage and/or warranty invalidation:

DO NOT: Remove the shroud from the hydraulic torque wrench. Modify any component

of the hydraulic torque wrench. Adjust the hydraulic torque wrench safety relief valve

WARNING

located inside the swivel couplings.

XLTC

3

CAUTION

The incorrect system connection may cause failure and injury. Before connecting the

hydraulic torque wrench and hydraulic hose assembly to the assembled power pack,

make sure the hydraulic torque wrench swivel couplings, hose couplings and hydraulic

power pack couplings are clean and free of debris.

LOOSE OR DIRTY COUPLERS WILL CAUSE TOOL NOT TO OPERATE PROPERLY

DO NOT use old or damaged sockets. use the wrong size sockets.

WARNING

Only use a high quality socket. The socket must measure up to standard ISO-2725 and

ISO-1174 or DIN3129 and DIN3121 or ASME-B107.2/1995. Never use a chrome plated

socket.

WARNING

Always use a pin to lock the socket with the square drive in order to avoid the socket from

falling off.

PROPER SAFETY ATTIRE

When operating hydraulic equipment, use proper safety equipment and clothing. Consult

with your company’s safety representative to obtain this information.

WARNING SIGN

Warning signs are shown in the following table

IF DRIVE STICKS OUT RIGHT,

IT'S SET FOR TIGHTEN.

LEFT. IT'S SET FOR LOOSE!

LOCK REACTION

ARM BEFORE

USING TOOL!

warning table

Meaning

Affixed Position

WORK HEAD

REVERSE LEVER

PROHIBIT USING BY HAND

PRIOR TO USE,FIXED

THE REACTION ARM

REVERSE LEVER

THE SQUARE DRIVE IN

POSITION,LEFT LOOSEN,

RIGHT TIGHTEN

4

Bolting

REMARKS:

Strength Grade

4.8 6.8 8.8 10.9

Min breaking

strength

392MPa 588MPa 784MPa 941MPa

Material

Q235(SS41) 35(S35C) 35CrMo(SCM3) 42CrMo(SCM4)

Thread

22 7 69 10 98 14 137 17 165

24 10 98 14 137 21 206 25 247

27 14 137 21 206 29 284 35 341

30 18 176 28 296 41 402 58 569

32 23 225 34 333 55 539 78 765

36 32 314 48 470 70 686 100 981

41 45 441 65 637 105 1029 150 1472

46 60 588 90 882 125 1225 200 1962

50 75 735 115 1127 150 1470 210 2060

55 100 980 150 1470 180 1764 250 2453

60 120 1176 180 1764 220 2156 300 2943

65 155 1519 240 2352 280 2744 390 3826

70 180 1764 280 2744 320 3136 450 4415

75 230 2254 350 3430 400 3920 570 5592

80 280 2744 420 4116 480 4704 670 6573

85 360 3528 530 5149 610 5978 860 8437

90 410 4018 610 5978 790 7742 1100 10791

95 510 4998 760 7448 900 8820

100 580 5684 870 8526 1100 10780

105 660 6468 1000 9800 1290 12642

110 750 7350 1100 10780 1500 14701

115 830 8143 1250 12250 1850 18130

120 900 8820 1400 13720 2250 22050

130 1080 10584 1650 16170 2500 24500

145 1400 13720 2050 20090

155 1670 16366 2550 24990

175 2030 19894 3050 29890

mm

1. All recommendations above are in accordance with the Germany standard (DIN).

2.The figures above represent the maximum bolt torque; the recommended torque is

12.9

1176MPa

40 GrNiMoA(SNCM)

23 225

36 363

49 480

69 680

93 911

120 1176

180 1764

240 2352

250 2450

300 2940

370 3626

470 4606

550 5390

680 6664

850 8330

1050 10290

1350 13230

14

16

18

20

22

24

27

30

33

36

39

42

45

48

52

56

60

64

68

72

76

80

85

90

100

110

120

M

KGM N.m

KGM N.m KGM N.m KGM N.m

KGM N.m

Torque values

Torque values Torque values

FORM 1

BOLTING TIGHTENING FORCE RECOMMENTED CHART

80% of these chart figures.

3.The recommended tightening torque is 80% of the chart figure above. For example;

for bolt M52 the strength grade is 8.8 therefore, the torque is 4704*80% = 3763Nm

4.The recommended loosening torque is 150% of the tighting torque. For example; the

tightening torque is 3763*150%(200%) = 5645(7526) Nm.

Connect the IBT square drive hydraulic torque wrench and hydraulic power pack with the

proper twin line hydraulic hose assembly making sure all connections are proper and snug.

If the couplings are not properly mated the hydraulic torque wrench may not operate.

HYDRAULIC TORQUE WRENCH SET UP

OPERATION SECTION

PREPARATION

1. Make certain of the size of the nut or bolt head, material, strength grade and determine

ALWAYS ABIDE BY THE MANUFACTURERS/ENGINEERS PROCEDURES.

2. Determine the torque value needed and then determine the corresponding pressure of

3. Inspect the hydraulic torque wrench set. Connect the hydraulic torque wrench, hydraulic

hydraulic connections are securely connected. Verify that the hydraulic hose assembly is

4. Connecting the hydraulic torque wrench:

The hydraulic torque wrench and torque wrench power pack are connected by a 10,000 PSI

the desired torque.

the torque wrench pump. This can be found in the Pressure - Torque Conversion Chart that

was provided with the hydraulic torque wrench.

hose assembly and the hydraulic power pack in to a hydraulic circuit. Ensure that all

not kinked, crushed or damaged.

operation pressure twin line hydraulic hose assembly.

FIG(3)

FIG(5)

FIG(4)

Convex joint

Concave joint

FIG(6)

FIG(7)

when in use (completely stuck, according

To connect the hydraulic hose assembly to the swivel as shown below Insure the connectors

are fully engaged and screwed snugly together (FIG4) ,do as photo (4) show can ensure

connection successfully.This way can open the check valve,make the oil circuit smoothly,

otherwise,the check valve will lock under the steel ball without top connection,as a result

the oil circuit will not pass through, the wrench will not operate, The reason is that the

connection is filled with pressure,in order to protect the tool, the top swivel will automatic

drain oil. Right way to do correction, please loose the hydraulic hose, check all of the steel

ball inside the quick coupler, please try to press the steel ball by hand, as normal the ball will

be flexible when you touch it, if it is hard, you may find a hammer to knock the ball until your

finger can press the ball(FIG6), during releasing the pressure in the system,please be more

carefully with the spray oil, to avoid stain your clothes！Perfectly done, You may reconnect

the quick coupler again. If you prefer to card set quick coupler, it will be more easy, ref the

arrow on the coupler, put the male coupler into the female coupler directly.

5

RIGHT

Fully screwed the quick coupler, to ensure joint

tooth completely.

to the code of the arrow reverse operation)

FOR MXTA SERIES

To remove the square, disengage the drive retainer assembly by depressing the center

round button and gently pulling on the square end of the square drive, The square drive

will slide easily out.

To insert the square drive in the tool(FIG8),place the drive in the desired direction, engage

drive and bushing splines, then twist drive and bushing until ratchet spline can be engaged.

Push drive through ratchet. Depress drive retainer button, engage retainer with drive and

release button to lock.

TO SETTING THE SQUARE DRIVE FOR ROTATION:

The position of the square drive when looking at the shroud will determine if the hydraulic

torque wrench is set to loosen or tighten. When the square drive extends to the left when

looking at the shroud, the hydraulic torque wrench is set to loosen. When the square drive

extends to the right, the hydraulic torque wrench is set to tighten.

5. Connecting the hydraulic pump:

The hydraulic torque wrench and torque wrench power pack are connected by a 10,000 PSI

operation pressure twin line hydraulic hose assembly.

IMPORTANT

TO AVOID HYDRAULIC TORQUE WRENCH MALFUNCTION:

DO NOT reverse connectors.

When use the hydraulic hose with quick coupler ,the connection should follow from the

hydraulic torque wrench advance side to the pump advance side, from the hydraulic torque

wrench retract side to the pump retract side, Each quick coupler should be inserted in the

end, then screw the threaded sleeve by hand.

Carefully check whether the quick coupler is reliable, Carefully check the oil in the pump,

no oil shortage operation. Please plug the power electric power supply.

OPERATING THE HYDRAULIC TORQUE WRENCH

1. Put the wrench to the ground.

2. open the pump power switch,start the pump,then press the lock button to confirm the

pump is running normally.

3. By pushing the remote control advance button, the rear of the hydraulic torque wrench

will be pushed back until the reaction arm will make contact with the reaction point.

4. Continue to hold the advance button as the square drive turns until you hear an audible

“click” which will signify the hydraulic cylinder inside the hydraulic torque wrench is fully

extended and will not turn the socket further. Release button.

5. Continuing to hold the remote control advance button, will result in a rapid buildup of

pressure to the point where the gauge reads what the hydraulic power pack was preset to

prior to applying the hydraulic torque wrench.

IMPORTANT: The reading of full preset pressure after the cylinder is extended DOES

NOT INDICATE that this pressure (torque) is applied to the bolt/nut. It only indicates

that the cylinder is fully extended and cannot turn the socket further, until the tool

automatically resets itself.

6

FIG8

FIG9

Button

Drive Retainer

Square Drive

lossing

tightening

Right is tight.

Left is loose.

6. Releasing the remote control button will automatically retract the cylinder. The hydraulic

torque wrench will automatically reset itself and the operator will hear an audible “click”

indicating he can again push the remote control button and the square drive will turn. Each

time the cylinder is extended and retracted, it is called a cycle. Successive cycles are made

until the tool “stalls” at the preset Torque/PSI with an accuracy of +/-3%. Repeatability

is +/-1%. Please repeat again and again, make the wrench turn without loading,

observe the wrench tightening or loosening, no abnormalities, can be put into the

socket.

IMPORTANT: ALWAYS ATTEMPT ONE FINAL CYCLE TO INSURE THE “STALL” POINT

HAS BEEN REACHED.

REMARKS: When the hydraulic torque wrench not in use,you may turn off the lock

button,if long time no using the wrench,please shut off the motor switch.

ADJUST THE PRESSURE

Setting the pressure on the hydraulic power pack.

To set the pressure on the pump, follow this procedure.

Loosen the locking ring below the “T” handle on the hydraulic power pack’s external pressure

regulator. Then, turn the “T” handle counterclockwise until it turns freely and easily.

Turn the hydraulic power pack on. Using the hydraulic power pack remote pendant, push the

advance switch (or button on the air hydraulic power pack) and hold it.

While holding the hydraulic power pack in the advance mode, slowly turn the “T” handle

clockwise and observe the hydraulic power pack pressure gauge rise.

NOTE: Always adjust the regulator pressure UP - never down.

When your gauge reaches the predetermined pressure, stop turning the “T” handle and let

the gauge settle.

If the pressure continues to rise above the predetermined pressure, release the back

pressure slightly by turning the “T” handle counterclockwise. Then, depress the advance

switch on the remote and slowly bring pressure up to the predetermined pressure.

When the pressure is correct, turn the pump off and tighten the locking ring which is under

the “T” handle. This sets the pump pressure, which determines torque wrench output.

Once your target pressure is set and locked, cycle the hydraulic power pack once more to

ensure that your pressure setting did not change as you tightened the locking ring.

THE LOOSENING PROCESS

1. Set the pump to 10000 PSI. Change the drive to the loosening mode, assuring the reaction

2. Press and hold the remote control advance button. Pressure will decrease as the

3. Release the remote control advance button and the cylinder automatically retracts,

4. Repeat this process until the fastener can be removed by hand.

arm abuts squarely on a solid reaction point.

socket begins to turn. As the cylinder extends fully, you will hear an audible “click”.

at which time you again hear the audible “click”.

NOTE: IF THE BOLT/NUT DOES NOT LOOSEN WITH THE ABOVE PROCEDURES,

IT IS AN INDICATION THAT YOU REQUIRE A LARGER HYDRAULIC TORQUE

WRENCH TO LOOSEN THE BOLT/NUT.

THE TIGHTENING PROCESS

1. hydraulic torque wrench setting

Firstly, according to the design requirements set torque,If no design torque, please ref the

80% of the recommended torque.

Way: the setting torque=(the recommended torque of these chart figures)×(80%-90%)

For example：the recommended tightening torque is 90% of the chart figure above. For

example; for bolt M48 the strength grade is 8.8 therefore, the torque is 3920×90% = 3528Nm

2. Pump pressure setting

According to a desired torque value and the wrench model to set the pressure of the pump.

For example 8.8 grade、M48bolt,the setting torque is 3528N.m, if you prefer to WR-3IBT

wrench,you may find the torque is 3528N.m, the pump pressur is 54Mpa,so the pump

pressure setting is 54Mpa.

7

3. Confirm the wrench is tightening, put the wrench on the nut, perform it until the nut does

not move far.

LOCKED-ON

Should the hydraulic torque wrench be “locked-on” after the final cycle, push down the

remote control advance button once more (to build pressure) and while maintaining this

pressure, pull back on the accuracy assurance pawl lever (located on the side of the tool).

Release the remote control advance button, while continuing to push down on the accuracy

assurance lever (this will allow the hydraulic torque wrench to be removed easily).

press down

FIG10

XLCT SERIES

The Ratchet link and the power head assembly and disassembly

Insert the hex ratchet links. The low profile hex ratchet links are inserted and removed from

the power head as follows:

The “hook” described by the link’s drive plate is inserted around the fixed pin of the power

head and the link is swung down to rest along the base of the power head cylinder. At this

point, the link pin holes of the power head and link will align. Insert the link pin to secure.

Pull out the pin, pull up the power head, and then along the groove direction, disassembly

the power head and the ratchet link.

assembly

disassembly

1. insert direction

2. press to the end

3. insert the pin

1. pull out the

2. take the power

3. the hook groove automatic

FIG 11 FIG 12

Direction position

Setting for tightening or loosening the nut:

The position of the tool relative to the nut determines whether the action will tighten or loosen

the nut. The power stroke of the piston rod will always turn the hex ratchet toward the shroud.

FIG 13

8

The nut turns clockwise for tightening and counterclockwise for loosening.

direction

combined pin

head up

down back, separated from

the wrench

lossing

tightening

Low profile hydraulic torque

wrench direction diagram

Preparation Determined the loose(tighten) nut size , select appropriated power head and

ratchet link and reducer inserts.

CONNECT THE POWER PACK

Use twin hose to Connect the high pump pressure outlet(H OR A) with the high pressure

outlet of hydraulic wrench,low pressure outlet of the pump to low pressure outlet of the

hydraulic torque wrench。Insert the quick couple sleeve into the end，then screw tighting

by no space.

Check carefully whether the twin hose joint connection is reliable, please be sure the oil in

enough.The pump power plug power supply.

WARNING No oil shortage !

TEST RUN

1. Put the wrench assembly in space, first start to finish, Check whether the rotating ratchet

normal return or not, if the rotation is not normal, Maybe the hook position does not

correspond between the power head and ratchet link,open to check.

2. Turn on the pump power switch, start the pump, then press the lock button to confirm the

pump is running normally.

3. By pushing the remote control advance button, the rear of the hydraulic torque wrench

will be pushed back until the reaction arm will make contact with the reaction point.

4. Continue to hold the advance button as the cassette turns until you hear an audible “click”

which will signify the hydraulic cylinder inside the hydraulic torque wrench is fully extended

and will not turn the socket further. Release button.

5. Continuing to hold the remote control advance button, will result in a rapid buildup of

pressure to the point where the gauge reads what the hydraulic power pack was preset to

prior to applying the hydraulic torque wrench.

IMPORTANT: The reading of full preset pressure after the cylinder is extended DOES

NOT INDICATE that this pressure (torque) is applied to the bolt/nut. It only indicates

that the cylinder is fully extended and cannot turn the socket further, until the tool

automatically resets itself.

6. Releasing the remote control button will automatically retract the cylinder. The hydraulic

torque wrench will automatically reset itself and the operator will hear an audible “click”

indicating he can again push the remote control button and the cassette will turn. Each time

the cylinder is extended and retracted, it is called a cycle. Successive cycles are made until

the tool “stalls” at the preset Torque/PSI with an accuracy of +/-3%. Repeatability is +/-1%.

Please repeat again and again, make the wrench turn without loading, observe the

wrench tightening or loosening,no abnormalities, can be put into the nut directly.

IMPORTANT: ALWAYS ATTEMPT ONE FINAL CYCLE TO INSURE THE “STALL” POINT

HAS BEEN REACHED.

REMARKS: When the hydraulic torque wrench not in use, ,you may turn off the lock button,

if long time no using the wrench, please shut off the pump motor switch.

9

OPERATION

Setting the pressure on the hydraulic power pack:

To set the pressure on the pump, follow this procedure:

Loosen the locking ring below the “T” handle on the hydraulic power pack external pressure

regulator. Then, turn the “T” handle counterclockwise until it turns freely and easily.

Turn the hydraulic power pack on. Using the hydraulic power pack remote pendant, push the

advance switch (or button on the air hydraulic power pack) and hold it.

While holding the hydraulic power pack in the advance mode, slowly turn the “T” handle

clockwise and observe the hydraulic power pack pressure gauge rise.

Note: Always adjust the regulator pressure UP - never down.

When your gauge reaches the predetermined pressure, stop turning the “T” handle and

let the gauge settle.

If the pressure continues to rise above the predetermined pressure, release the back

pressure slightly by turning the “T” handle counterclockwise. Then, depress the advance

switch on the remote and slowly bring pressure up to the predetermined pressure.

10

When the pressure is correct, turn the pump off and tighten the locking ring which is under

the “T” handle. This sets the pump pressure, which determines torque wrench output.

Once your target pressure is set and locked, cycle the hydraulic power pack once more to

ensure that your pressure setting did not change as you tightened the locking ring.

THE LOOSENING PROCESS

1. Set the pump to 10000 PSI. Change the drive to the loosening mode, assuring the reaction

arm abuts squarely on a solid reaction point.

2. Press and hold the remote control advance button. Pressure will decrease as the cassette

begins to turn. As the cylinder extends fully, you will hear an audible “click”.

3. Release the remote control advance button and the cylinder automatically retracts, at

which time you again hear the audible “click”.

4. Repeat this process until the fastener can be removed by hand.

NOTE: IF THE BOLT/NUT DOES NOT LOOSEN WITH THE ABOVE PROCEDURES, IT IS

AN INDICATION THAT YOU REQUIRE A LARGER HYDRAULIC TORQUE WRENCH TO

LOOSEN THE BOLT/NUT.

THE TIGHTENING PROCESS

1. Draulic torque wrench setting

Firstly, according to the design requirements set torque, If no design torque, please ref the

80% of the recommended torque.

Way: the setting torque=(the recommended torque of these chart figures)×(80%-90%)

For example: The recommended tightening torque is 90% of the chart figure above. For

example; for bolt M48 the strength grade is 8.8 therefore, the torque is 3920*90% = 3528Nm

2. Pump pressure setting

According to a desired torque value and the wrench model to set the pressure of the pump.

For example 8.8 grade、M48 bolt, the setting torque is 3528N.m, if you prefer to WR-4LOW

wrench, you may find the torque is 3528N.m, the pump pressure is 42Mpa, so the pump

pressure setting is 42Mpa.

3.Confirm the wrench is tightening,put the wrench on the nut,perform it until the nut does not

move far.

LOCKED-ON

Should the hydraulic torque wrench be “locked-on” after the final cycle, push down the

remote control advance button once more (to build pressure) and while maintaining this

pressure, pull back on the accuracy assurance pawl lever (located on the side of the tool).

Release the remote control advance button, while continuing to push down on the accuracy

assurance lever (this will allow the hydraulic torque wrench to be removed easily).

FIG 14

press down

direction

MXTA SERIES HYDRAULIC TORQUE WRENCH PRESSURE-TORQUE CHART

FORM 2

11

Model

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

7

8

9

183

209

236

262

288

314

341

367

393

419

446

472

498

524

551

577

603

629

656

682

708

734

761

787

813

839

866

892

918

944

971

997

1023

1049

1076

1102

1128

1154

1181

1207

1233

1259

1286

1312

1338

1364

1391

1417

1443

1469

1496

1522

1548

1574

1601

1627

1653

1679

1706

1732

1758

1784

1811

1837

1031

1096

1160

1225

1289

1353

1418

1482

1547

1611

1676

1740

1805

1869

1934

1998

2063

2127

2191

2256

2320

2385

2449

2514

2578

2643

2707

2772

2836

2900

2965

3029

3094

3158

3223

3287

3352

3416

3481

3545

3610

3674

3738

3803

3867

3932

3996

4061

4125

4190

4254

4319

4383

4448

4512

451

515

580

644

709

773

838

902

967

1075

1182

1290

1397

1505

1612

1720

1828

1935

2043

2150

2258

2365

2473

2580

2688

2796

2903

3011

3118

3226

3333

3441

3548

3656

3764

3871

3979

4086

4194

4301

4409

4516

4624

4732

4839

4947

5054

5162

5269

5377

5484

5592

5700

5807

5915

6022

6130

6237

6345

6452

6560

6668

6775

6883

6990

7098

7205

7313

7420

7528

752

860

967

1078

1232

1386

1540

1694

1848

2002

2156

2310

2464

2618

2772

2926

3080

3234

3388

3542

3696

3850

4004

4158

4312

4466

4620

4774

4928

5082

5236

5390

5544

5698

5852

6006

6160

6314

6468

6622

6776

6930

7084

7238

7392

7546

7700

7854

8008

8162

8316

8470

8624

8778

8932

9086

9240

9394

9548

9702

9856

10010

10164

10318

10472

10626

10780

1551

1773

1994

2216

2438

2659

2881

3103

3324

3546

3768

3989

4211

4433

4654

4876

5098

5319

5541

5763

5984

6206

6428

6649

6871

7093

7314

7536

7758

7979

8201

8423

8644

8866

9088

9309

9531

9753

9974

10196

10418

10639

10861

11083

11304

11526

11748

11969

12191

12413

12634

12856

13078

13299

13521

13743

13964

14186

14408

14629

14851

15073

15294

15516

10284

10665

11046

11427

11808

12189

12570

12951

13332

13713

14094

14475

14855

15236

15617

15998

16379

16760

17141

17522

17903

18284

18665

19046

19427

19807

20188

20569

20950

21331

21712

22093

22474

22855

23236

23617

23998

24378

24759

25140

25521

25902

26283

26664

2666

3047

3428

3809

4190

4571

4952

5332

5713

6094

6475

6856

7237

7618

7999

8380

8761

9142

9523

9903

3472

3968

4464

4960

5456

5952

6448

6945

7441

7937

8433

8929

9425

9921

10417

10913

11409

11905

12401

12898

13394

13890

14386

14882

15378

15874

16370

16866

17362

17858

18354

18850

19347

19843

20339

20835

21331

21827

22323

22819

23315

23811

24307

24803

25299

25796

26292

26788

27284

27780

28276

28772

29268

29764

30260

30756

31252

31749

32245

32741

33237

33733

34229

34725

10428

11123

11818

12514

13209

13904

14599

15295

15990

16685

17380

18076

18771

19466

20161

20856

21552

22247

22942

23637

24333

25028

25723

26418

27114

27809

28504

29199

29895

30590

31285

31980

32676

33371

34066

34761

35456

36152

36847

37542

38237

38933

39628

40323

41018

41714

42409

43104

43799

44495

45190

45885

46580

47276

47971

48666

4866

5561

6256

6952

7647

8342

9037

9733

MXTA SERIES HYDRAULIC TORQUE WRENCH PRESSURE-TORQUE CHART

FORM 3

12

Model

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

3000

3200

3400

3600

3800

4000

4200

4400

4600

4800

5000

5200

5400

5600

5800

6000

6200

6400

6600

6800

7000

7200

7400

7600

7800

8000

8200

8400

8600

8800

9000

9200

9400

9600

9800

10000

134

161

188

215

242

268

295

322

349

376

403

430

457

483

510

537

564

591

618

645

672

698

725

752

779

806

833

860

887

914

940

967

994

1021

1048

1075

1102

1129

1155

1182

1209

1236

1263

1290

1317

1344

328

394

459

525

590

656

721

787

852

918

984

1049

1115

1180

1246

1311

1377

1443

1508

1574

1639

1705

1770

1836

1901

1967

2033

2098

2164

2229

2295

2360

2426

2491

2557

2623

2688

2754

2819

2885

2950

3016

3082

3147

3213

3278

547

656

766

875

985

1094

1203

1313

1422

1532

1641

1750

1860

1969

2079

2188

2297

2407

2516

2626

2735

2844

2954

3063

3173

3282

3391

3501

3610

3720

3829

3938

4048

4157

4267

4376

4485

4595

4704

4814

4923

5032

5142

5251

5361

5470

1096

1253

1409

1566

1723

1879

2036

2193

2349

2506

2662

2819

2976

3132

3289

3446

3602

3759

3915

4072

4229

4385

4542

4699

4855

5012

5168

5325

5482

5638

5795

5951

6108

6265

6421

6578

6735

6891

7048

7204

7361

7518

7674

7831

783

940

1127

1352

1578

1803

2029

2254

2480

2705

2931

3156

3381

3607

3832

4058

4283

4509

4734

4959

5185

5410

5636

5861

6087

6312

6538

6763

6988

7214

7439

7665

7890

8116

8341

8567

8792

9017

9243

9468

9694

9919

10145

10370

10595

10821

11046

11272

1937

2324

2712

3099

3487

3874

4261

4649

5036

5424

5811

6198

6586

6973

7361

7748

8135

8523

8910

9298

9685

10072

10460

10847

11235

11622

12009

12397

12784

13172

13559

13946

14334

14721

15109

15496

15883

16271

16658

17046

17433

17820

18208

18595

18983

19370

2523

3028

3532

4037

4541

5046

5550

6055

6559

7064

7568

8073

8577

9082

9586

10091

10595

11100

11604

12109

12613

13118

13622

14127

14631

15136

15641

16145

16650

17154

17659

18163

18668

19172

19677

20181

20686

21190

21695

22199

22704

23208

23713

24217

24722

25226

3535

4242

4949

5656

6363

7070

7777

8485

9192

9899

10606

11313

12020

12727

13434

14141

14848

15555

16262

16970

17677

18384

19091

19798

20505

21212

21919

22626

23333

24040

24747

25454

26162

26869

27576

28283

28990

29697

30404

31111

31818

32525

33232

33939

34647

35354

13

XLCT SERIES HYDRAULIC TORQUE WRENCH PRESSURE-TORQUE CHART

FORM 4

2XLCT

30XLCT

14XLCT

8XLCT4XLCT

Model

Bolt Size Range

34-36

41

46-65

Mpa

N.m

N.m N.m

N.m

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

7

8

9

232

265

299

332

365

398

432

465

498

531

565

598

631

665

698

731

764

798

831

864

897

931

964

997

1030

1064

1097

1130

1164

1197

1230

1263

1297

1330

1363

1396

1430

1463

1496

1530

1563

1596

1629

1663

1696

1729

1762

1796

1829

1862

1895

1929

1962

1995

2029

2062

2095

2128

2162

2195

2228

2261

2295

2328

241

275

310

344

379

413

448

482

517

551

586

620

655

689

724

758

793

827

862

896

931

965

1000

1034

1069

1103

1138

1172

1207

1241

1276

1310

1345

1379

1414

1448

1483

1517

1552

1586

1621

1655

1690

1724

1759

1793

1828

1862

1897

1931

1966

2000

2035

2069

2104

2138

2173

2207

2242

2276

2311

2345

2380

2414

585

669

752

836

920

1003

1087

1171

1255

1338

1422

1506

1589

1673

1757

1840

1924

2008

2092

2175

2259

2343

2426

2510

585

669

752

836

920

1003

1087

1171

1255

1338

1422

1506

1589

1673

1757

1840

1924

2008

2092

2175

2259

2343

2426

2510

2594

2677

2761

2845

2929

3012

3096

3180

3263

3347

3431

3514

3598

3682

3766

3849

3933

4017

4100

4184

4268

4351

4435

4519

4603

4686

4770

4854

4937

5021

1003

1087

1171

1255

1338

1422

1506

1589

1673

1757

1840

1924

2008

2092

2175

2259

2343

2426

2510

2594

2677

2761

2845

2929

3012

3096

3180

3263

3347

3431

3514

3598

3682

3766

3849

3933

4017

4100

4184

4268

4351

4435

4519

4603

4686

4770

4854

4937

5021

5105

5188

5272

5356

5440

5523

5607

5691

5774

5858

585

669

752

836

920

647

739

832

924

1017

1109

1202

1294

1387

1479

1572

1664

1757

1849

1942

2034

2127

2219

2312

2404

2497

2589

2682

2774

2867

2959

3052

3144

3237

3329

3422

3514

3607

3699

3792

3884

3977

4069

4162

4254

4347

4439

4532

4624

4717

4809

4902

4994

5087

5179

5272

5364

5457

5549

5642

5734

5827

5919

6012

6104

6197

6289

6382

6474

1094

1250

1407

1563

1719

1876

2032

2188

2344

2501

2657

2813

2970

3126

3282

3439

3595

3751

3907

4064

4220

4376

4533

4689

4845

5002

5158

5314

5470

5627

5783

5939

6096

6252

6408

6565

6721

6877

7033

7190

7346

7502

7659

7815

7971

8128

8284

8440

8596

8753

8909

9065

9222

9378

9534

9691

9847

10003

10159

10316

10472

10628

10785

10941

10092

10260

10428

10597

10765

10933

11101

11269

11438

11606

11774

1177

1345

1513

1682

1850

2018

2186

2354

2523

2691

2859

3027

3195

3364

3532

3700

3868

4037

4205

4373

4541

4709

4878

5046

5214

5382

5550

5719

5887

6055

6223

6391

6560

6728

6896

7064

7232

7401

7569

7737

7905

8073

8242

8410

8578

8746

8914

9083

9251

9419

9587

9756

9924

1852

2117

2381

2646

2910

3175

3440

3704

3969

4233

4498

4762

5027

5292

5556

5821

6085

6350

6615

6879

7144

7408

7673

7938

8202

8467

8731

8996

9260

9525

9790

10054

10319

10583

10848

11113

11377

11642

11906

12171

12435

12700

12965

13229

13494

13758

14023

14288

14552

14817

15081

15346

15611

15875

16140

16404

16669

16933

17198

17463

17727

17992

18256

18521

4188

4786

5385

5983

6581

7180

7778

8376

8975

9573

10171

10769

11368

11966

12564

13163

13761

14359

14958

15556

16154

16753

17351

17949

18548

19146

19744

20343

20941

21539

22138

22736

23334

23932

24531

25129

25727

26326

26924

27522

28121

28719

29317

29916

30514

31112

31711

32309

32907

33506

34104

34702

35301

35899

36497

37095

37694

38292

38890

39489

40087

40685

41284

41882

4459

5096

5733

6370

7007

7644

8281

8918

9555

10192

10829

11467

12104

12741

13378

14015

14652

15289

15926

16563

17200

17837

18474

19111

19748

20385

21022

21659

22296

22933

23570

24207

24845

25482

26119

26756

27393

28030

28667

29304

29941

30578

31215

31852

32489

33126

33763

34400

35037

35674

36311

36948

37585

38223

38860

39497

40134

40771

41408

42045

42682

43319

43956

44593

14

XLCT SERIES HYDRAULIC TORQUE WRENCH PRESSURE-TORQUE CHART

FORM 4

Model

Bolt Size Range

34-36

41

46-65

ft.lbs

psi

ft.lbs ft.lbs

ft.lbsft.lbs ft.lbs ft.lbsft.lbs ft.lbs

ft.lbsft.lbs

2XLCT

4XLCT

8XLCT

14XLCT

30XLCT

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

3000

3200

3400

3600

3800

4000

4200

4400

4600

4800

5000

5200

5400

5600

5800

6000

6200

6400

6600

6800

7000

7200

7400

7600

7800

8000

8200

8400

8600

8800

9000

9200

9400

9600

9800

10000

169

203

237

270

304

338

372

406

440

473

507

541

575

609

642

676

710

744

778

812

845

879

913

947

981

1015

1048

1082

1116

1150

1184

1217

1251

1285

1319

1353

1387

1420

1454

1488

1522

1556

1589

1623

1657

1691

1017

1052

1087

1122

1157

1192

1227

1262

1298

1333

1368

1403

1438

1473

1508

1543

1578

1613

1648

1683

1719

1754

175

210

245

280

315

350

385

421

456

491

526

561

596

631

666

701

736

771

806

842

877

912

947

982

426

511

596

681

766

852

937

1022

1107

1192

1277

1362

1447

1533

1618

1703

1788

1873

426

511

596

681

766

852

937

1022

1107

1192

1277

1362

1447

1533

1618

1703

1788

1873

1958

2043

2128

2214

2299

2384

2469

2554

2639

2724

2809

2894

2980

3065

3150

3235

3320

3405

3490

3575

3661

426

511

596

681

766

852

937

1022

1107

1192

1277

1362

1447

1533

1618

1703

1788

1873

1958

2043

2128

2214

2299

2384

2469

2554

2639

2724

2809

2894

2980

3065

3150

3235

3320

3405

3490

3575

3661

3746

3831

3916

4001

4086

4171

4256

470

564

658

752

846

940

1034

1128

1222

1317

1411

1505

1599

1693

1787

1881

1975

2069

2163

2257

2351

2445

2539

2633

2727

2822

2916

3010

3104

3198

3292

3386

3480

3574

3668

3762

3856

3950

4044

4138

4232

4326

4421

4515

4609

4703

795

954

1113

1272

1431

1590

1749

1908

2067

2226

2385

2544

2703

2861

3020

3179

3338

3497

3656

3815

3974

4133

4292

4451

4610

4769

4928

5087

5246

5405

5564

5723

5882

6041

6200

6359

6518

6677

6835

6994

7153

7312

7471

7630

7789

7948

855

1026

1197

1368

1539

1710

1881

2052

2223

2395

2566

2737

2908

3079

3250

3421

3592

3763

3934

4105

4276

4447

4618

4789

4960

5132

5303

5474

5645

5816

5987

6158

6329

6500

6671

6842

7013

7184

7355

7526

7697

7868

8040

8211

8382

8553

1346

1615

1884

2153

2422

2692

2961

3230

3499

3768

4037

4306

4575

4844

5113

5383

5652

5921

6190

6459

6728

6997

7266

7535

7804

8074

8343

8612

8881

9150

9419

9688

9957

10226

10495

10765

11034

11303

11572

11841

12110

12379

12648

12917

13186

13456

3043

3652

4260

4869

5477

6086

6694

7303

7911

8520

9128

9737

10345

10954

11562

12171

12779

13388

13996

14605

15213

15822

16430

17039

17647

18256

18865

19473

20082

20690

21299

21907

22516

23124

23733

24341

24950

25558

26167

26775

27384

27992

28601

29209

29818

30426

3240

3888

4536

5184

5832

6480

7127

7775

8423

9071

9719

10367

11015

11663

12311

12959

13606

14254

14902

15550

16198

16846

17494

18142

18790

19438

20085

20733

21381

22029

22677

23325

23973

24621

25269

25917

26564

27212

27860

28508

29156

29804

30452

31100

31748

32396

15

1MXTA、 3 、5 、8 10 20 25 35 SERIESMXTA MXTA MXTA、 MXTA、 MXTA、 MXTA、 MXTA

INSTRUCTION:

3. #1 Body assembly and 5-1# piston assembly are not detachable parts.

2. Quick coupler C1 assembly and C2 assembly are optional parts, own interchange ability.

MXTA SERIES DRAWING AND PARTS LIST

1. Swivel B1 and B2 are optional parts, own interchange ability.

16

PARTS LIST--MXTA SERIES

Model Number

1MXTA

3MXTA

5MXTA 8MXTA 10MXTA 20MXTA 25MXTA

35MXTA

Item

Name

Quantity

1a

Body

1b 1 1 1 1 1 1 1

1c 1

2

Retaining Ring of Body

1

3

O-Ring/U-Ring for Body

1 1 1 1 1 1 1 1

4

O-Ring for Piston Housing

5a

5b 1 1 1

5c 1 1 1 1 1

5a- 1

Piston Rod Assembly

5b- 1 1 1 1

5c- 1 1 1 1 1 1

5- 2

Wearable Ring for Piston Rod

1 1 1 1 1 2 2 2

5- 3

Retaining Ring

1 1 1 2 1

5- 4

O-Ring for Piston Rod

1 1 1 1 1 1 1 1

6

O-Ring for End Cap

1 1 1 1 1 1 1 1

7

Retaining Ring for End Cap

1 1 1 1 1 1 1 1

8a

End Cap

1 1 1 1 1 1 1

8b

8c

1

9 1 1 1 1 1 1 1 1

9-1

Reaction Arm Assembly

1 1 1 1 1 1 1 1

9-2

Screw

1 1 1 1 1 1 1 1

9-3

Reaction Arm Fixer 1 1 1 1 1 1 1 1

9-4

Compressed Spring for Reaction Arm

1 1 1 1 1 1 1 1

9-5

Reaction Arm Cover

1 1 1 1 1 1 1 1

9- 6

Pin for Reaction Arm Cover

1 1 2 2 2 2 2 2

10

2 2 2 2 2 2 2 2

11

Pin for Body

1 1 1 1 1 1 1 1

12

Tension Spring for Reaction Pawl

1 1 1 1 1 1 1 1

13

Reaction Pawl Pin

1 1 1 1 1 1 1 1

14

Reaction Pawl

1 1 1 1 1 1 1 1

15

Button Lever(Left)

1 1 1 1 1 1 1 1

16

Screw for Button Lever

2 2 2 2 2 2 2 2

17

Button Lever(Right)

1 1 1 1 1 1 1 1

18

Drive Sleeve Spline

2 2 2 2 2 2 2 2

19

Circlip

2 2 2 2 2 2 2 2

20

Square Drive

1 1 1 1 1 1 1 1

A

Drive Retainer

1 1 1 1 1 1 1 1

21

Drive Retainer Screw

22

Drive Pin

1 1 1 1 1 1 1 1

23

Roll Pin for Drive Pawl Primary

1 1 1 1 1 1 1 1

24

Tension Spring for Drive Pawl Prmary

2 2 2 2 2 2 2 2

25

Drive Plate Pin

1 1 1 1 1 1 1 1

26

Drive Pawl Prmary

1 1 1 1 1 1 1 1

27

Drive Pawl Secondary

1 1 1 1 1 1 1 1

28

Compressed Spring Drive Pawl Secondary

2 1 2 2 1 1 1 1

29

Roll Pin for Compressed Spring Drive Pawl Secondary

1 1 1 1

30

Ratchet Spline

1 1 1 1 1 1 1 1

31

Drive Plate

2 2 2 2 2 2 2 2

32

Shroud

1 1 1 1 1 1 1 1

33

Screw for Cover Plate

4 4 4 4 4 4 4 4

B1

Swivel Assembly

1 1 1 1 1 1 1 1

B2 1 1 1 1 1 1 1 1

C1 -1

Male Coupler

1 1 1 1 1 1 1 1

C2 -1

1 1 1 1 1 1 1 1

C1 -2

Female Coupler

1 1 1 1 1 1 1 1

C2 -2

1 1 1 1 1 1 1 1

QuantityQuantityQuantityQuantityQuantityQuantityQuantity

Piston Assembly

Reaction Arm

Screw

INSTRUCTION:

3. #1 Body assembly and 5-1# piston assembly are not detachable parts.

2. Quick coupler C1 assembly and C2 assembly are optional parts, own interchange ability.

1. Swivel B1 and B2 are optional parts, own interchange ability.

17

ASSEMBLING DRAWING FOR RATCHET LINK--XLCT SERIES

2 4 8 14 30XLCT、 XLCT、 XLCT、 XLCT、 XLCT SERIES

18

PARTS LIST FOR RATCHET LINK---LOW SERIES

Model Number

2XLCT

4XLCT 8XLCT 14XLCT 30XLCT

Item

Name

Quantity

1a

Side Plate(Left)

1 1 1 1

1b

2

Copper Belt

2 2

3 Drive Plate(Right) 1 1 1 1 1

4 Reaction Block 1 1 1 1 1

5 Ratchet Spline 1 1 1 1 1

6 Drive Plate(Left) 1 1 1 1 1

7a

Side Plate(Right)

1 1 1 1

7b 1

8

Reaction Block Screw

4 4 4 4 4

9

Screw(Reaction Pawl Bushing

4 4 4 2 2

10a

Top Spacer

1 1 1 1

10b 1

11

Roll Pin for Top Spacer

1 1 1 1

12

Drive Pin for Drive Plate

1 1 1 1 1

13

Roll Pin for Drive Plate

2 2 2 2 2

14

Drive Pin Spring

1 1 1 1 1

15 Drive Pawl 1 1 1 1 1

16 Spring Seat 1

17

Compressed Spring

1 1 1 1 1

18

Drive Pawl Primary

1 1 1 1 1

19 Pin for Side Plate 1 1 1 1 1

20

Compressed Spring for

1 1 1 1 1

21a

Shaft of Rotation

1 1 1

21b 1 1

22

Reaction Pawl Bushing

1 2 2 1 1

23a

Reaction Pawl

1 1 1 1

23b 1

24 Shroud 1 1 1 1 1

And Top Spacer)

Reaction Pawl

19

2 4 8 14 30XLCT、 XLCT、 XLCT、 XLCT、 XLCT SERIES

Model Number

2XLCT-D

Ⅱ

4XLCT -D

Ⅱ

8XLCT-D

Ⅱ

14XLCT-D

Ⅱ

30XLCT-D

Ⅱ

Item

Name

Quantity

Quantity Quantity Quantity Quantity

1

Body

1 1 1 1 1

2

Casing Cap of Body

1 1 1 1

3

U-Ring for Body

1 1 1 1 1

4

Piston Rod

1 1 1 1 1

5

O-Ring for Piston Rod and End Cap

2 2 2 2 2

6

Retaining Ring for Piston Rod and End Cap

1 2 2 2 2

7

U-Ring for Piston Rod

1 1 1 1 1

8

End Cap

1 1 1 1 1

9

End Cap Screw

2 2 2 2

10

Screw of Body

8 8 8 8 8

11

Rod End

1 1 1 1 1

12a

Fixed Pin Upper

1 1 1

12b 1 1

13

Retaining Ring for Fixed Pin Upper

2 2 2

14

Screw for Fixed Pin Upper

2 2

15

Screw with Spring

1 1 1 1 1

16

Link Pin

1 1 1 1 1

17

Draw Ring

1 1 1 1 1

B1

Swivel

1 1 1 1 1

B2 1 1

C1 -1

Male Coupler

1 1 1 1 1

C2 -1

1 1 1 1 1

C1 -2

Female Coupler

1 1 1 1 1

C2 -2

1 1 1 1 1

DRAWING FOR POWER HEAD WITH SWIVEL ON TOP AND ITS PART

LIST-XLCT SERIES

INSTRUCTION:

2. Quick coupler C1 assembly and C2 assembly are optional parts, own interchange ability.

1. Swivel B1 and B2 are optional parts, own interchange ability.

INSTRUCTION:

2. Quick coupler C1 assembly and C2 assembly are optional parts,

1. Swivel B1 and B2 are optional parts, own interchange ability.

own interchange ability.

20

Model Number

2XLCT-D

Ⅲ

4XLCT-D

Ⅲ

8XLCT-D

Ⅲ

14XLCT-D

Ⅲ

Item

Name

Quantity Quantity Quantity Quantity

1

Body

1 1 1 1

2

U-Ring for Body

1 1 1 1

3 Piston Rod 1 1 1 1

4

O-Ring for Piston Rod and End Cap

2 2 2 2

5

Retaining Ring for Piston Rod and End Cap

1 2 2 2

6

U-Ring for Piston Rod

1 1 1 1

7

O-Ring for End Cap

2 1 1 2

8

Screw of Side End Cap

2 1 1 2

9 End Cap 1 1 1 1

10

Screw of Top End Cap

2 1 1 2

11

End Cap Screw

2 2 2

12

Screw of Body

8 8 8 8

13

Swivel

1 1 1 1

14

0-Ring for The Swivel

6 6 6 6

15

Retainer Ring for The Swive

2 2 2 2

16

Screw for The Swivel

4 2 2 4

17

Swivel Joint

1 1 1 1

18

Steel Ball

1 1 1 1

19

Spring Pedestal

1 1 1 1

20

Spring

1 1 1 1

21

Plug

1 1 1 1

24 Rod End 1 1 1 1

25a

Fixed Pin Upper

1 1 1

25b 1

26

Retaining Ring for Fixed Pin Upper

2 2 2

27 Screw for Fixed Pin Upper 2

28

Screw

2 1 1 1

29 Screw with Spring 1 1 1 1

30 Link Pin 1 1 1 1

31 Draw Ring 1 1 1 1

32 Copper Gasket 2

C1 -1

Male Coupler

1 1 1 1

C2 -1

1 1 1 1

C1 -2

Female Coupler

1 1 1 1

C2 -2

1 1 1 1

DRAWING FOR POWER HEAD WITH SWIVEL IN BACKSIDE AND ITS PART

2 4 8 14XLCT、 XLCT、 XLCT、 XLCT SERIES

LIST-XLCT SERIES

INSTRUCTION:

quick coupler c1 assembly and c2 assembly are optional parts, own interchange ability.

INSTRUCTION:

Quick coupler C1 assembly and C2 assembly are optional

parts, own interchange ability.

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Wren 14XLCT105 Operation and Maintenance Manual

Wren 14XLCT105 Operation and Maintenance Manual

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