Jet Tools JSJ-5T, JSJ-10T, JSJ-3T User Manual

Operating Instructions and Parts Manual

Long Chassis Service Jacks

Models JSJ-3T/JSJ-5 T/JSJ-10T

WMH TOOL GROUP

This manual has been prepared for the owner and operators of a JET Model JSJ Service Jack. Its purpose, aside f rom machine oper ation, is to promot e safety using acc epted operati ng and maint enance procedures. To obtain maximum life and efficiency from your jack and t o aid in using it safely, please read this manual thoroughly and follow the instructi ons carefully.

Warranty and Service

WMH Tool Gr oup warrants ever y product it sell s. If one of our tools needs s ervice or repai r, one of our Authorized S ervic e Center located throughout the Unit ed States can provide quick service or information.

In most cases, a W MH Tool Group Servi ce Center can assist i n authori zing repai r work, obtai ning part s, or perform routine or major maintenance repair on your JET product.

For the name of an Aut horized Service Cent er in your area, pl ease call 1-800-274-6848, or vi sit our web site at www.wmhtoolgroup.com

More Information

Remember, WMH Tool Group i s consistently adding new products to the li ne. For complete, up-to-dat e product information, check with your local WMH Tool Group distributor, or visit our web site at www.wmhtoolgroup.com

WMH Tool Group Warranty

WMH Tool Group makes every effort to assure that its product s meet high quality and durabi lity standards and warrants to the original retail consumer/purchaser of our products that each product be free from defects in mat erials and workmanship as foll ows: 1 YEA R LIMITED WARRANTY ON ALL PRODUCTS UNLESS SPECIFIED OTHERWISE. This Warranty does not apply to defects due directly or i ndirectly to misuse, abuse, negl igence or acc idents, norm al wear-and-tear , repair or alterati ons outside our f aciliti es, or to a lack of maintenanc e.

WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE, BEGINNING FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL. EXCEPT AS STATED HEREIN, ANY IMPLIED WARRANTIES OR MERCHANTABILITY AND FITNESS ARE EXCLUDED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. IN NO EVENT SHALL WMH TOOL GROUP BE LIABLE FOR DEATH, INJURIES TO PERSONS OR PROPERTY, OR FOR INCIDENTAL, CONTINGENT, SPECIAL, OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR PRODUCTS. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.

To take advantage of this warranty, the product or part must be returned for examination, postage prepaid, to an Authorized Service Center designated by our office. Proof of purchase date and an explanati on of the complaint m ust accompany the merchandi se. If our inspecti on discloses a defec t, we will either repair or replace the product at our discr eti on, or ref und the purc hase pric e if we cannot readil y and quickly provide a repai r or replac ement. We will return the repai red product or replacem ent at WMH Tool Group’s ex pense, but if it is determ ined there i s no defect, or that the def ect resulted f rom causes not within the scope of WMH Tool Group’s warranty, then the user must bear the cost of storing and returning t he product . This warranty gives you specifi c legal right s; you may also have ot her right s, which vary from state t o state.

WMH Tool Group sells through distribut ors only. Members of the WMH Tool Group reserve the right to effect at any time, wit hout prior notice, alter ations to parts, fittings and accessory equi pment, which they may deem necessary for any reason whatsoever.

Table of Contents

Warranty and Servic e ..............................................................................................................................2

Table of Contents....................................................................................................................................3

Warning...................................................................................................................................................3

Introduction..............................................................................................................................................4

Description..............................................................................................................................................4

Specifications..........................................................................................................................................4

Unpacking ...............................................................................................................................................5

Assembly.................................................................................................................................................5

Before Operation.....................................................................................................................................5

Operation.................................................................................................................................................5

Maintenance............................................................................................................................................5

Replacement Parts..................................................................................................................................6

JSJ-3T, JSJ-5T, JSJ-10T Service Jacks ...............................................................................................7

Parts List: JSJ-3T Service Jack............................................................................................................8

Parts List: JSJ-5T Service Jack..........................................................................................................10

Parts List: JSJ-10T Service Jack........................................................................................................12

Warning

1. Read and understand the entire owner’s manual before att em pting assembly or operation.

2. This jack is designed for lifting vehicles only.

3. The vehicle owner’ s manual should be con sulted prior t o lifting t he vehicle. Lift only on ar eas of the vehicle specified by the vehicle manufacturer.

4. The jack must be on level and solid ground with wheels of vehicle faci ng str aight ahead.

5. Do not overload the jack . Overloading can cause damage to or failure of t he jac k.

6. No one should remain in a vehicl e that is being lifted.

7. When lifting the vehicle, be sure to place the axle on the center of the jack saddle.

8. After lifting t he v ehi cl e, place safety stands under the axles.

9. Never get under a vehicle that is supported only by a jack.

10. Never move the jack while is it supporting the vehicle.

11. When lowering the vehicle, make sure nobody is around or under the lifted vehicl e. Lower slo wly .

12. Safety valve is factory adjusted and no fur ther adjustment is required.

13. While not in use, always keep the handle strai ght up and locked so that it won’t fall.

14. Read and understand the warnings posted on the jack and in this manual. Failur e to comply with all of these warnings may r esul t in loss of load, damage to jack and/or personal injury or property damage.

15. Repl ac e the warning labels if they becom e obscured or remov ed.

16. Use only factory replacement parts when part replacement is necessary.

- - SAVE THESE INSTRUCTIONS - -

Introduction

This manual is provided by W MH Tool Group cov ering the safe oper ation and mai ntenance procedure s for a JET Model JSJ Service Jac k. This manual contains i nstructions on assembl y, safety precautions, general operating procedures, maintenance instructions and parts breakdown. This jack has been designed and constructed to provide years of trouble free operation if used in accordance with instructi ons set forth i n this manual . If there are any questions or comm ents, please contact either your local supplier or WMH Tool Group. WMH Tool Group can also be reached at our web site: www.wmhtoolgroup.com.

Description

The Model JSJ Service Jack is for heavy-duty automotive and truck repair and maintenance. It’s equipped with strong steel side plat es, an extra wide swiv el saddle, f oot pump and locking T -bar handle. Hydraulic cylinder parts have been high-pressure tested at the factory, and parts at maximum stress points have been heat -t r eated. Also features a safety overload by pass system.

Specifications

Model Number.....................................JSJ-3T................................JSJ-5T.................................JSJ-10T

Stock Number......................................454430...............................454450..................................454410

Capacity (ton) ............................................... 3.........................................5..........................................10

Minimum Height (in.).................................. 5.1....................................5.91.......................................6.30

Maximum Height (in.)..............................23.62.................................. 22.05..................................... 22.05

Overall Lengt h (in.).................................. 51.6................................. 55-1/2....................................60-7/8

Overall Width (in.).................................... 12.8...............................14 -5/1 6....................................19-1/2

Handle Length (i n.) .................................45.28..................................45.28.....................................45.28

Net Weigh t (lb s.)....................................... 155.....................................21 0........................................320

The above specifications were current at the time this manual was published, but because of our policy of continuous im provement, WMH Tool Group reserv es the right to change specif ications at any tim e and without pri or notic e, without incurring obli gations.

Unpacking

2. Carefully posi tion the j ack under the vehicl e with the saddle under t he point of contact.

Open shipping cont ainer and check f or shipping damage. Report any damage immediately to your distributor and shipping agent. Do not discard any shipping material until the Service Jack is assembled and r unning properly.

Assembly

The numbers in parentheses refer to the item numbers on the part s breakdown, page 7.

1. Insert the ha ndl e (38) a s far as it will go i nt o the handle socket ( 26) .

2. Tighten the hex cap scr ew (30) securely.

When transporting the jack, the handle can be removed and carried separately.

Before Operation

Before operating the jack, any air in the hydraulic system must be rem oved. Proceed as follows:

1. Open the release valve by turning the release valve knob (39) counter-clockwise. Pump the foot pedal (27) about six full strokes to let the air out of the hydraulic system.

2. Close the release valve by turning the release valv e knob (39) clockwise as far as it will go.

3. Pump the f oot pedal (27) to raise the jack as far up as it will go. Lower the jack by opening the rel ease valve (39).

NOTE: If the jack does not immediatel y respond to the pump action, r epeat steps 1 through 3.

Operation

Do no t use a sad dl e extend er

with this jack. Failure to comply may cause damage to property and/or serious injury.

1. To raise the vehicle, make sure the release valve knob (39) i s closed – turn it cloc kwise until resistanc e is felt; do not overtighten.

3. Pull the lock lever (31) up and push it over to the left until it sli des i nto the upper slot.

4. Pump t he handle (38) , or use the f oot pedal (27) to raise the vehicle.

5. To lower the vehicle, slowly and carefully rotate the release valve knob (39) counterclockwise. Speed of descent is controlled by how much the knob is rotated.

Make sure all tools and

personnel are cl ear before lowerin g the load. Lower slowly.

Maintenance

Lubricate t he pin and other movi ng element s on the Lifting Arm wit h #2 tube grease.

Lubricate t he pin and other movi ng parts of the Handle Assembly . Ti ghten any loose screws.

Insert grease i nto the grea se f itting on the F ront Wheels.

With saddle completely lowered and handle in its lowest posit i on, rem ove oil plug and c heck oi l level. If low, fill with hydraulic jack oil until oil is level with the inner cylinder as seen from the opening of the fill er hole.

NOTE: Completely drain and re-fill the oil tank at least once a year. With saddle completely lowered and handle in lowest position, remove the oil pl ug. Lay the jack on its side and drain fluid into an appropriate container. Re-fill with good quality hydraulic jack oil and replace oil plug. Never use brake fluid or any other highly viscous or volati le oil.

Always store jack in the fully lowered position with handle upright.

Troubleshooting

Numbers in parentheses refer to the item numbers on the parts breakdo wn, page 7.

Trouble Probable Cause Remedy

Release valve not properly closed. Tighten release valve knob (39). No oil in system. Fill to prescribed level.

Jack will not lift.

Jack will only lift part way.

Jack will lift load, but will not hold.

Jack will not lower after unloading.

Poor lift performance.

Jack is overloaded.

Release Valve (52-54) or Safety Valve (55-60) malfunctioning. Valve Ball not properly seated.

Seal/gasket worn out or defective. Replace seal/gasket.

Oil level low or too high. Fill to proper level, or remove excess oil.

Release Valve (52-54) or Safety Valve (55-60) malfunctioning. Valve Ball not properly seated.

Seal/gasket worn out or defective. Replace seal/gasket. Release valve (52-54) not opening. Clean and adjust Release Valve. Reservoir is overfilled. Drain oil to proper level. Linkages binding. Clean and lubricate moving parts. Pump gasket (50) defective or Valves

malfunctioning. Oil level low, or dirty oil. Fill or replace oil. Air trapped in system. Bleed air from system.

Remedy overload condition. Use jack with proper capacity for the load.

Clean valves to remo ve dirt or foreign matter and replace oil.

Inspect valves; clean and adjust seat surface.

Replace gasket and/or clean valves.

Pump plunger (49) bent or marred. Replace pump plunger.

Jack will not lower completely.

Jack Spring damaged. Replace spring. Link sect ion wa rped or deformed d ue to

possible over-loading.

Replace warped parts.

Replacement Parts

Replacement part s are li sted on the f ollowing page s. To order par ts or reac h our servi ce depar tment, call 1-800-274-6848 between 7:30 a.m. and 6:00 p.m. (CST), Monday through Friday. Having the Model Number and Serial Number of your machine av ailable when you call will all ow us to serve you quickly and accurately.

JSJ-3T, JSJ-5T, JSJ-10T Service Jacks

Parts List: JSJ-3T Service Jack

Index No. P art No. Description Size Qty

1...............JSJ3M-18................ Frame and Lift Arm Assembly...................... .........................................1

2...............JSJ3T-2 .................. Front Wheel................................................. .........................................2

3...............JSJ3M-16................ Flat Washer.................................................Ø 22.5 x 2mm...................2

4...............JSJ3M-15................ Snap Ring....................................................Ø 15mm............................2

5...............JSJ3T-5 .................. Grease Fitting.............................................. .........................................4

6...............JSJ3T-6 .................. Saddle......................................................... .........................................1

7...............JSJ3M-12................ Link Rod ...................................................... .........................................2

8...............JSJ3M-11................ Link Rod Bolt............................................... .........................................2

9...............JSJ3M-8..................Lock Was h e r ................................................M16..................................2

10............. JSJ3M-9..................Hex Nut.......................................................M16 ..................................2

11............. JSJ3M-21................ Spring.......................................................... .........................................1

12............. TS-2210161 ............ Hex Cap Screw............................................M10 x 16mm.....................1

13............. TS-1491031 ............ Hex Cap Screw............................................M10 x 25mm.....................2

14............. TS-2361101 ............ Lock Washe r................................................M10..................................2

15............. JSJ3T-15 ................ Shaft............................................................ .........................................1

16.............JSJ3M -0 7................Re a r Wheel Assembly ................................. .........................................2

17............. JSJ3M-02................ Hex Nut.......................................................M12 x 1.25mm..................4

18............. JSJ3M-32................ Snap Ring....................................................Ø 18mm............................2

19............. JSJ3M-33................ Shaft............................................................ .........................................1

20............. TS-1550061 ............ Flat Washer.................................................M8....................................1

21............. JSJ3T-21 ................ Pin...............................................................Ø 3 x 18mm......................2

22............. JSJ3M-36................ Link............................................................. .........................................2

23............. JSJ3T-23 ................ Snap Ring....................................................Ø 12mm............................2

24............. JSJ3T-24 ................ Pedal Pin..................................................... .........................................1

25............. JSJ3M-26................ Spring.......................................................... .........................................1

26............. JSJ3T-26 ................ Handle Socket ............................................. .........................................1

27............. JSJ3M-29................ Pedal........................................................... .........................................1

28............. JSJ3M-40................ Lock Nut......................................................M10..................................1

29.............JSJ3M -41................Fla t Washer.................................................M10 ..................................2

30.............JSJ3M -4 2................He x Bo l t.......................................................M10 x 35mm.....................1

31............. JSJ3T-31 ................ Control Rod................................................. .........................................1

32............. JSJ3T-32 ................ Handle Sleeve ............................................. .........................................2

33............. JSJ3T-33 ................ Fixing Ring .................................................. .........................................1

34............. JSJ3T-34 ................ Spring.......................................................... .........................................1

35.............JSJ3M -53................Fla t Washer.................................................Ø 10mm............................ 1

36............. JSJ3T-36 ................ Rod Joint..................................................... .......................... ...............1

37............. JSJ3T-137...............Cotter Pin....................................................Ø 4 x 20mm......................1

38............. JSJ3T-38 ................ Handle......................................................... .........................................1

39............. JSJ3T-39 ................ Knob............................................................ .........................................1

40............. JSJ3T-40 ................ Lock Pin......................................................Ø 4 x 40mm......................1

41............. JSJ3M-28................ Universal Joint Assembly............................. .........................................1

42............. JSJ3T-42 ................ Pin...............................................................Ø 3 x 20mm......................1

43............. JSJ3M-43................ Spring.......................................................... .........................................1

44............. JSJ3T-44 ................ Lock Pin......................................................Ø 3 x 18mm......................1

45............. JSJ3T-45 ................ Release Rod................................................ .........................................1

46............. JSJ3T-46 ................ Lock Pin......................................................Ø 4 x 20mm......................2

47............. JSJ3T-47 ................ Cover........................................................... .........................................1

................. JSJ3T-200...............Hydraulic Cylinder Assembly (includes index # 48 thru 76)

48............. JSJ3T-48 ................ Pump Plunger Pin........................................ .........................................1

49............. JSJ3T-49 ................ Pump Plunger.............................................. .........................................1

50............. JSJ3T-50 ................ Nylon Gasket *.............................................Ø 14mm............................2

51............. JSJ3T-51 ................ O-Ring *......................................................Ø 14 x 2.65mm................. 2

52............. JSJ3T-52 ................ Release Pin................................................. .........................................1

53............. JSJ3T-53 ................ Seal *........................................................... .........................................1

54.............SB-6M M..................Steel Bal l.....................................................Ø 6mm..............................2

55.............SB-4M M..................Steel Bal l.....................................................Ø 4mm..............................1

56.............JSJ3T- 5 6................Safe ty Va l ve Bal l Se a t................................. .........................................1

57.............JSJ3T- 5 7................Safe ty Va l ve Spr ing..................................... .........................................1

58............. JSJ3T-58 ................ Safety Valve Adjusting Screw...................... .........................................1

59............. JSJ3T-59 ................ Seal *........................................................... .........................................1

60.............JSJ3T- 6 0................Safe ty Va l ve Scre w...................................... .........................................1

61............. JSJ3T-61 ................ Spring.......................................................... .........................................1

62.............SB-9M M..................Steel Bal l.....................................................Ø 9mm..............................1

63............. JSJ3T-63 ................ Spring.......................................................... .........................................1

64............. JSJ3T-64 ................ Copper Washer ........................................... .........................................1

65............. TS-1506011 ............ Socket Head Cap Screw..............................M12 x 20mm.....................1

66............. JSJ3T-66 ................ Oil Filler Plug............................................... .........................................1

67............. JSJ3T-67 ................ Oil Tank Assembly ....................................... .........................................1

68............. JSJ3T-68 ................ Snap Ring....................................................Ø 36mm............................1

69............. JSJ3T-69 ................ O-Ring Retainer........................................... .........................................1

70............. JSJ3T-70 ................ O-Ring *......................................................Ø 36 x 4.6mm...................1

71.............JSJ3T- 71................Sea l Washe r *.............................................. .........................................1

72............. JSJ3T-72 ................ Piston Ring.................................................. .........................................1

73............. JSJ3T-73 ................ Ram ............................................................ .........................................1

74............. JSJ3T-74 ................ Bushing....................................................... .........................................2

75............. JSJ3T-75 ................ O-Ring *......................................................Ø 43 x 3.55mm................. 1

76............. JSJ3T-76 ................ Snap Ring.................................................... .........................................1

................. JSJ3T-RK ............... Repair Kit for JSJ- 3T.................................... ...........................................

NOTE: Items marked with an asterisk (*) are included in the Repair Kit.

Parts List: JSJ-5T Service Jack

Index No. P art No. Description Size Qty

1...............JSJ5M-18................ Frame and Lift Arm Assembly...................... .........................................1

2...............JSJ5T-2 .................. Front Wheel................................................. .........................................2

3...............JSJ5M-16................ Flat Washer.................................................Ø 22.5 x 2mm...................2

4...............JSJ5M-15................ Snap Ring....................................................Ø 19mm............................4

5...............JSJ3T-5 .................. Grease Fitting.............................................. .........................................3

6...............JSJ5T-6 .................. Saddle......................................................... .........................................1

7...............JSJ5M-12................ Link Rod ...................................................... .........................................2

8...............JSJ5M-11................ Link Rod Bolt............................................... .........................................2

9...............JSJ5M-8..................Lock Was h e r ................................................M20..................................2

10............. JSJ5M-9..................Hex Nut.......................................................M20 ..................................2

11............. JSJ5M-21................ Spring.......................................................... .........................................1

12............. TS-2210161 ............ Hex Cap Screw............................................M10 x 16mm.....................1

13............. TS-1491031 ............ Hex Cap Screw............................................M10 x 25mm.....................2

14............. TS-2361101 ............ Lock Washe r................................................M10..................................2

15............. JSJ5T-15 ................ Shaft............................................................ .........................................1

16.............JSJ5T- 1 6................Rea r Wheel Assembly ................................. .........................................2

17............. JSJ3M-02................ Hex Nut.......................................................M12 x 1.25mm..................4

18............. JSJ3M-32................ Snap Ring....................................................Ø 18mm............................2

19............. JSJ5M-33................ Shaft............................................................ .........................................1

20............. TS-1550061 ............ Flat Washer.................................................M8....................................1

21............. JSJ3T-21 ................ Pin...............................................................Ø 3 x 18mm......................2

22............. JSJ5M-36................ Link............................................................. .........................................2

23............. JSJ3T-23 ................ Snap Ring....................................................Ø 12mm............................2

24............. JSJ3T-24 ................ Pedal Pin..................................................... .........................................1

25............. JSJ3M-26................ Spring.......................................................... .........................................1

26............. JSJ3T-26 ................ Handle Socket ............................................. .........................................1

27............. JSJ3M-29................ Pedal........................................................... .........................................1

28............. JSJ3M-40................ Lock Nut......................................................M10..................................1

29.............JSJ3M -41................Fla t Washer.................................................M10 ..................................2

30.............JSJ3M -4 2................He x Cap Sc re w............................................M10 x 35mm.....................1