Operating Instructions and Parts Manual
3-Ton Short Chassis Service Jack
Model JSJ-3XA
WALTER M EIE R (Manufac turing) Inc.
427 New Sanford Road
LaVergne, Tennessee 37086 Part No. M-454224
Ph.: 800-274-6848 Revision A 02/2012
www.waltermeier.com Copyright © 2012 Walter Meier (Manufacturing) Inc.
1.0 Warranty and Service
Walter Meier (Manufacturing) Inc., warrants every product it sells. If one of our tools needs service or repair, one of
our Authorized Service Centers located throughout the United States can give you quick service. In most cases, any
of these Walter Meier Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or
perform routine maintenance and major repair on your JET® tools. For the name of an Authorized Service Center in
your area call 1-800-274-6848.
MORE INFORMATION
Walter Meier is consistently adding new products to the line. For complete, up-to-date product information, check with
your local Walter Meier distributor, or visit waltermeier.com.
WARRANTY
JET products carry a limited warranty which varies in duration based upon the product (MW = Metalworking, WW =
Woodworking).
WHAT IS COVERED?
This warranty covers any defects in workmanship or materials subject to the exceptions stated below. Cutting tools,
abrasives and other consumables are excluded from warranty coverage.
WHO IS COVERED?
This warranty covers only the initial purchaser of the product.
WHAT IS THE PERIOD OF COVERAGE?
The general JET warranty lasts for the time period specified in the product literature of each product.
WHAT IS NOT COVERED?
Five Year Warranties do not cover woodworking (WW) products used for commercial, industrial or educational
purposes. Woodworking products with Five Year Warranties that are used for commercial, industrial or education
purposes revert to a One Year Warranty. This warranty does not cover defects due directly or indirectly to misuse,
abuse, negligence or accidents, normal wear-and-tear, improper repair or alterations, or lack of maintenance.
HOW TO GET SERVICE
The product or part must be returned for examination, postage prepaid, to a location designated by us. For the name
of the location nearest you, please call 1-800-274-6848.
You must provide proof of initial purchase date and an explanation of the complaint must accompany the
merchandise. If our inspection discloses a defect, we will repair or replace the product, or refund the purchase price,
at our option. We will return the repaired product or replacement at our expense unless it is determined by us that
there is no defect, or that the defect resulted from causes not within the scope of our warranty in which case we will,
at your direction, dispose of or return the product. In the event you choose to have the product returned, you will be
responsible for the shipping and handling costs of the return.
HOW STATE LAW APPLIES
This warranty gives you specific legal rights; you may also have other rights which vary from state to state.
LIMITATIONS ON THIS WARRANTY
WALTER MEIER (MANUFACTURING) INC., LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE
LIMITED WARRANTY FOR EACH PRODUCT. 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.
WALTER MEIER SHALL IN NO EVENT BE LIABLE FOR DEATH, INJURIES TO PERSONS OR PROPERTY, OR
FOR INCIDENTAL, CONTINGENT, SPECI AL, 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.
Walter Meier sells through distributors only. The specifications in Walter Meier catalogs are given as general
information and are not binding. Members of Walter Meier reserve the right to effect at any time, without prior notice,
those alterations to parts, fittings, and accessory equipment which they may deem necessary for any reason
whatsoever. JET® branded produc ts are not sold in Canada by Walter Meier.
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2.0 Table of contents
Section Page
1.0 Warranty and Service ....................................................................................................................... 2
2.0 Table of contents .............................................................................................................................. 3
3.0 Safety warnings ................................................................................................................................ 4
4.0 About this manual ............................................................................................................................. 4
5.0 Specifications ................................................................................................................................... 5
6.0 Assembly .......................................................................................................................................... 6
7.0 Lubricati on ........................................................................................................................................ 6
8.0 Operatin g instructio n s ....................................................................................................................... 6
8.1 Raising the jack .......................................................................................................................................... 6
8.2 Lowering the jack ....................................................................................................................................... 6
9.0 Maintenance ..................................................................................................................................... 6
10.0 Troubleshooting the JSJ-3XA Service Jac k ..................................................................................... 7
11.0 Replacement Parts ......................................................................................................................... 7
11.1.1 Main Body Assembly (3T Short Chassis Service Jack) – Exploded View ............................................. 8
11.1.2 Main Body Assembly (3T Short Chassis Service Jack) – Parts List ..................................................... 9
11.2.1 Power Unit Assembly (3T Short Chassis Service Jack) – Exploded View .......................................... 10
11.2.2 Power Unit Assembly (3T Short Chassis Service Jack) – Parts List ................................................... 11
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3.0 Safety warnings
1. Read and understand the entire owner's manual before attempting assembly or operation.
2. Read and understand the warnings posted on the jac k and in this manual. Failure to com ply with all of
these warnings may c ause serious i njury.
3. Replace warning labels if they become obscured or rem ov ed.
4. This is a lif ting device only. Do not move or dolly the v ehicle while on the jack. The load shall be
supported immediately by jack stands, or other appr opr iate means.
5. Inspect jack before each use. Do not use jack if it is damaged, has been altered or parts have
loosened.
6. Do not exceed rated lift c apaci ty. Overloading can cause damage to, or failure of, the jac k.
7. Always center load on saddl e.
8. Do not introduce bl oc k s or other it ems between load and jack saddle.
9. Lift only on areas of the v ehicl e specified by the vehicle manuf acturer.
10. This jack is designed for use on hard, level surf ac es capable of sustaining t he load. Use on other than
hard, level surfac es can r esul t in jack instability and possible loss of load.
11. Clear obstructions from around jack area, such as tools, gravel, etc., bef or e lift ing.
12. Do not get under vehicle while jack is being used as the only support .
13. If j ack needs servi ce, cont act JET Consumer Relati ons at 1-800-274- 6848, or v i sit www.jettool s.com,
for the location of your near est J ET A uthorized Service Center.
14. Jack service must be performed by qualified personnel only. Use only genuine JET factory
replacement par t s; use of unaut hori z ed par ts may cause risk of injury , and may void warranties.
15. Use only approved hydraulic fluid (ISO 32 hydraulic oil, or “jack oil”). Use of other fluids, such as
brake fluid or transmission oil, can damage seals and cause possi ble jack failure.
16. Do not modify the jack.
17. Fail ure to comply with all of these warnings may resul t in loss of load, dam age to jack, and/or f ailure
resulting in personal injury or property damage.
4.0 About this manual
This manual is provided by Walter Meier (Manufacturing) Inc. covering the safe operation and
maintenance procedures f or a JET Model JSJ-3XA Short Chassis Service Jack. This m anual contains
instructions on installation, safety precautions, general operating procedures, maintenance instructions
and parts breakdown. Your jack has been designed and constructed to provide years of trouble-free
operation if used i n accordanc e wi th the instructions as set f or t h in this document.
If there are questions or c omments, please contact your local suppli er or Walter Meier. Walt er Meier can
also be reached at our web site: www.walt er meier.com.
Retain this manual for future reference. If the j ack trans fers ownership, the manual should accompany it.
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5.0 Specifications
Model number ........................................................................................................................................... JSJ-3XA
Stock number .............................................................................................................................................. 454224
Rated Capacity ............................................................................................................................................... 3 Ton
Strokes to reach maximum height without load ............................................................................................. 2 to 3
Regulating pressure .................................................................................................................................. 113 MPa
Maximum Height – A ...................................................................................................................... 19.3” (490mm)
Minimum Height – B ....................................................................................................................... 5-3/4” (145mm)
Saddle Diameter – D ...................................................................................................................... 4-3/4” (120mm)
Overall Length – C .................................................................................................................... 27-3/4” (703.5mm)
Overall Width – E ......................................................................................................................... 13-1/2” (343mm)
Handle Length (two pieces) – F ................................................................................................. 39-1/2” (1000mm)
Net Weight ........................................................................................................................................... 77 lb (35kg)
Shipping Weight ............................................................................................................................. 80.5 lb (36.5kg)
Figure 1
The specifications in this manual were current at time of publication, but because of our policy of continuous
improvement, Walter Meier (Manufacturing) Inc., reserves the right to change specifications at any time and without
prior notice, without incurring obligations.
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6.0 Assembly
Numbers in parenthesis (#) refer to parts
breakdown, page 6:
1. Insert Upper Handle (30) int o Lower Handle
(29) and fasten with Hex Cap B olt (28) .
2. Remove Handle Bolt ( 25).
3. Insert handle assembly into Handle Socket
(23). Make sure handl e assembly engages
Gear Shaft ( 27) by turning handl e back and
forth and observing movement of Handle
Socket Gear (26).
4. Install Handle Bolt (25) to secure handle
assembly.
7.0 Lubrication
8.0 Operating instructions
Important: During shipment and handling, air
sometimes gets into the hydraulic system
causing poor lifting performance. Before initial
operation, purge any air from system by fully
opening pump release valve (turn handle
counter-clockwise). Then, while holding saddle
down, pump handle rapidly several times.
8.1 Raising the jack
1. Close release valve by turning handle
clockwise unti l resistance i s felt . Do not over
tighten.
2. Place jack dir ectly under obj ect to be lifted,
and pump handle to raise saddle t o contact
point. Make sure saddle accepts weight
firmly and cent r ally .
Note: Lubricate before initial operation, and
periodically to ensure smooth operation.
Lubricate jack at poi nts 1 through 6, as i ndicated
in Figure 1.
Figure 1 – Lubric ati on points
1. Handle: Use #2 tube grease on release
valve gears belo w handle and lightl y grease
handle at point where it fi ts into socket.
2. Wheels: Use 30W oil on axles and caster
bearings.
3. Lifting Arm: Inject #2 tube grease into
grease fitting.
4. Saddle and linkage: Use 30W oil on all
moving and pivoti ng par t s.
5. Handle socket pivot bolts: Lubricate with
30W oil.
3. Check positioning under slight load to
confirm jack or load will not slip, or move
suddenly.
4. Raise jack by pum ping handle until desired
height is reached.
5. Af ter lifting, secure and t ransfer l oad to jack
stands or other appr opriate means. Do not
use jack as the only means of suppo rt.
8.2 Lowering the jack
Slowly tur n handle counter-clockwise. Speed of
descent is control led by amount rel ease valve is
turned.
9.0 Maintenance
Store jack i n a safe and dr y environment, away
from chil dren or unaut hori zed personnel . Al ways
store jack in fully lowered position, with handle in
upright positi on.
Keep jack clean and pr operl y lubr ic at ed.
6. Plunger and plunger pin: Use #2 tube
grease to lubricate connection between
pump plunger and pin in handle socket.
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10.0 Troubleshooting the JSJ-3XA Service Jack
Symptom Possible Cause Correction
Jack fails to lift load,
or only partially lift s.
Jack fails to rise to
height limit.
Jack fails to hol d load
in raised position.
Jack oil leaks Reservoir overfilled. Drain some oil from r eservoir.
Handle won’t pump
full stroke.
Release valve open. Close valve by rotating handle
clockwise.
Weight capacity exceeded. Use other lifting equipment; load must
not exceed rated capaci ty of jack.
Low hy draulic fluid. With jac k on level ground, lower saddle
completely. Remove fill plug and check
oil level. Fill as needed with approved
hydraulic fluid. Reinstall fill plug.
Low hy draulic fluid. With jac k on level ground, lower saddle
completely. Remove fill plug and check
oil level. Fill as needed with approved
hydraulic fluid. Reinstall fill plug.
Release valve open. Close valve by rotating handle
clockwise.
Seals are worn. Have seals replaced by authorized
service center.
Air in system. Bleed air from system by opening
release valve and pumping handle
several times.
11.0 Replacement Parts
Replacement par ts are li sted on the f ollowing page s. To order par ts or reach our serv i ce departm ent, call
1-800-274-6848 Monday through Friday (see our website for business hours, www.waltermeier.com).
Having the Model Number and Serial Number of your mac hine available when you call will allow us to
serve you quickly and accurately.
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11.1.1 Main Body Assembly (3T Short Chassis Service Jack) – Exploded View
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11.1.2 Main Body Assembly (3T Short Chassis Service Jack) – Parts List
Index No Part No Description Size Qty
1 ............... JSJ3XA-01 ...............Front Caster .......................................................................................... 2
2 ............... JSJ3XA-02 ...............Washer...............................................................18mm ......................... 2
3 ............... JSJ3XA-03 ...............C-Clip .................................................................18mm ......................... 2
4 ............... JSJ3S-07 .................Swivel Caster Assembly ........................................................................ 2
5 ............... JSJ3S-08 .................Ball Ring ................................................................................................ 2
6 ............... JSJ3S-09 .................Steel Ball ............................................................6.3 5mm .................... 38
7 ............... JSJ3S-10 .................Ball Cover.............................................................................................. 2
8 ............... JSJ3S-05 .................Lock Was h e r ......................................................1 6mm ......................... 2
9 ............... JSJ3S-06 .................Hex Nut ..............................................................M16 ............................ 2
10 ............. JSJ3S-13 .................Arm Shaft .............................................................................................. 1
11 ............. JSJ3S-14 .................Retainer Ring .....................................................25mm ......................... 4
12 ............. JSJ3S-11 .................Lock Washer ......................................................12mm ......................... 4
13 ............. JSJ3S-12 .................Socked Head Cap Screw ....................................M12x25 ...................... 2
14 ............. JSJ3S-18 .................Hex Nut ..............................................................M12 ............................ 2
15 ............. JSJ3S-17 .................Shaft ..................................................................................................... 1
16 ............. JSJ3S-16 .................Lock Washer ......................................................10mm ......................... 3
17 ............. JSJ3S-15 .................Hex Nut ..............................................................M10 ............................ 3
18 ............. JSJ3S-19 .................Screw .................................................................................................... 1
19 ............. JSJ3S-20 .................Lock Washer ......................................................18mm ......................... 2
20 ............. JSJ3S-26 .................Torsion Spring ....................................................................................... 1
21 ............. JSJ3S-21 .................Pin......................................................................2x16mm ..................... 1
22 ............. JSJ3S-22 .................Washer...............................................................8mm ........................... 4
23 ............. JSJ3S-27 .................Handle Socket ....................................................................................... 1
24 ............. JSJ3S-24 .................Pump Pin .............................................................................................. 1
25 ............. JSJ3S-25 .................Bolt........................................................................................................ 1
26 ............. JSJ3S-23 .................Release Valve Gear .............................................................................. 1
27 ............. JSJ3S-29 .................Gear Shaft ............................................................................................. 1
28 ............. JSJ3S-31 .................Hex Cap Bolt ......................................................M6x35 ........................ 1
29 ............. JSJ3S-32 .................Lower Handle ........................................................................................ 1
30 ............. JSJ3S-34 .................Upper Handle ........................................................................................ 1
31 ............. JSJ3S-33 .................Handle Grip ........................................................................................... 1
32 ............. JSJ21/4XA-32 ..........Power Unit Assembly............................................................................. 1
33 ............. JSJ3XA-33 ...............Gear ...................................................................................................... 1
34 ............. JSJ3XA-34 ...............Washer...............................................................8mm ........................... 1
35 ............. JSJ3XA-35 ...............Nu t .....................................................................M8 .............................. 1
36 ............. JSJ3S-42 .................Return Spring ........................................................................................ 1
37 ............. JSJ3S-41 .................Pin......................................................................4x50mm ..................... 1
38 ............. JSJ3S-40 .................Cross Head ........................................................................................... 1
39 ............. JSJ3XA-39 ...............Screw .................................................................................................... 1
40 ............. JSJ3S-39 .................Grease Fitting .....................................................M6 .............................. 1
41 ............. JSJ3S-36 .................Lifting Arm Assembly ............................................................................. 1
42 ............. JSJ3S-37 .................Saddle ................................................................................................... 1
43 ............. JSJ3S-35 .................Bolt................................................................................
44 ............. JSJ3XA-44 ...............Side Plate Assembly .............................................................................. 1
................. JSJ3XA-WL .............I.D./ Warning Label (not shown) .............................................................. 1
........................ 2
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11.2.1 Power Unit Assembly (3T Short Chassis Service Jack) – Exploded View
10
11.2.2 Power Unit Assembly (3T Short Chassis Service Jack) – Parts List
Index No Part No Description Size Qty
................. JSJ21/4X A-32 ..........Power Unit Assembly (includes 32-1 thru 32-45) .................................... 1
32-1 .......... JSJ21/4XA-321 ........Cylinder Cover....................................................................................... 1
32-2 .......... JSJ21/4XA-322 ........O-Ring * ................................................................................................ 1
32-3 .......... JSJ21/4XA-323 ........Seal Ring * ............................................................................................ 1
32-4 .......... JSJ21/4XA-324 ........Oil Tank ................................................................................................. 1
32-5 .......... JSJ21/4X-57 ............Oil Fill Plug * .......................................................................................... 1
32-6 .......... JSJ21/4X-54 ............O-Ring * ................................................................................................ 1
32-7 .......... JSJ21/4XA-327 ........Ram ...................................................................................................... 1
32-8 .......... JSJ21/4XA-328 ........Retainer * .............................................................................................. 1
32-9 .......... JSJ21/4XA-329 ........Piston Ring ............................................................................................ 1
32-10 ........ JSJ21/4XA-3210 ......W asher * ............................................................................................... 1
32-11 ........ JSJ21/4XA-3211 ......O-Ring * ................................................................................................ 1
32-12 ........ JSJ21/4XA-3212 ......Pin......................................................................................................... 1
32-13 ........ JSJ21/4XA-3213 ......Spring.................................................................................................... 1
32-14 ........ JSJ21/4XA-3214 ......Ram Rod ............................................................................................... 1
32-15 ........ SB-4MM...................Steel Ball ............................................................4mm ........................... 2
32-16 ........ JSJ21/4XA-3216 ......Spring.................................................................................................... 1
32-17 ........ JSJ21/4XA-3217 ......Screw .................................................................................................... 1
32-18 ........ JSJ21/4XA-3218 ......O-Ring * ................................................................................................ 2
32-19 ........ JSJ21/4XA-
32-20 ........ JSJ21/4XA-3220 ......Ram ...................................................................................................... 1
32-21 ........ JSJ21/4XA-3221 ......Seal Ring * ............................................................................................ 1
32-22 ........ JSJ21/4XA-3222 ......Cylinder ................................................................................................. 1
32-23 ........ JSJ21/4 X-88 ............Back Up Ring * ...................................................Ø50.2 x ø47 x 1.6 ....... 1
32-24 ........ JSJ21/4 X-89 ............O-Ring * .............................................................Ø46.5 x ø2.4 .............. 1
32-25 ........ JSJ21/4XA-100 ........Filter ...................................................................................................... 2
32-26 ........ JSJ21/4XA-3226 ......Screw .................................................................M8x16 ........................ 3
32-27 ........ SB-6MM...................Steel Ball ............................................................6mm ........................... 4
32-28 ........ JSJ21/4 X-83 ............O-R in g * .............................................................Ø14 x ø2.65 ............... 2
32-29 ........ JSJ21/4 XA-72 ..........Back Up Ring * ...................................................Ø18 x ø14 x 1.5 .......... 2
32-30 ........ JSJ21/4 X-75 ............Piston Pump .......................................................Ø14 ............................ 1
32-31 ........ JSJ21/4 X-80 ............Adaptor ................................................................................................. 1
32-32 ........ JSJ21/4 X-81 ............Spring.................................................................................................... 1
32-33 ........ JSJ21/4 X-69 ............Adjustment Screw.................................................................................. 1
32-34 ........ JSJ21/4XA-3234 ......O-Ring * ................................................................................................ 1
32-35 ........ JSJ21/4XA-3235 ......Screw .................................................................................................... 1
32-36 ........ JSJ21/4XA-3236 ......Pin......................................................................4x16 ........................... 1
32-37 ........ JSJ21/4XA-3237 ......O-Ring * .............................................................12.5 x 1.8 ................... 1
32-38 ........ JSJ21/4XA-3238 ......Release Valve Rod ................................................................................ 1
32-39 ........ JSJ21/4XA-
32-40 ........ JSJ21/4XA-3240 ......Steel Ball ............................................................5.5mm ........................ 2
32-41 ........ SB-8MM...................Steel Ball ............................................................8mm ........................... 2
32-42 ........ JSJ21/4XA-3242 ......Square Block ......................................................................................... 2
32-43 ........ SB-10M M .................Steel Ball ............................................................10mm ......................... 2
32-44 ........ JSJ21/4XA-3244 ......Screw .................................................................M12x16x3 ................... 2
32-45 ........ JSJ21/4XA-3245 ......Valve Assembly ..................................................................................... 1
................. JSJ21/4X A-SK .........Seal Kit (contains items with asterisk * ) ...................................................
3219 ......Retainer * .............................................................................................. 1
3239 ......Pin......................................................................4x30 mm .................... 1
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TEST CERTIFI CATE
Commodity
Model
Serial No.
Capacity
Test Load
Date of Inspection
Short Service Jack
JSJ-3XA
3 ton
ton
Judgment PASSED
Inspector
WALTER M EIE R (Manufac turing) Inc.
427 New Sanford Road
LaVergne, Tennessee 37086
Phone: 800-274-6848
www.waltermeier.com
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