JET JSH-275-10, JSH-550-10, JSH-275-15, JSH-275-20, JSH-550-15 Operating Instructions and Parts Manual

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Operating Instructions and Parts Manual
JSH Series Electric Chain Hoists
Models JSH-275, JSH-550
Model JSH‐550 shown
WALTER MEIER (Manufacturing) Inc.
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 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.
tools. For the name of an Authorized Service Center in
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Table of Contents
Warranty and Servic e .............................................................................................................................. 2
Table of Contents .................................................................................................................................... 3
Introduction ............................................................................................................................................. 6
Desc ription .............................................................................................................................................. 6
Specifica tions .......................................................................................................................................... 7
Unpac king ............................................................................................................................................... 8
Contents of the Shipping Container.......................................................................................................... 8
Installation and Assembly ........................................................................................................................ 8
Electric al Connec tions ............................................................................................................................. 8
Grounding Instr uc tions ............................................................................................................................. 8
Extension Cords ...................................................................................................................................... 9
Installing Chain Container ........................................................................................................................ 9
Pre-Operation Inspection ....................................................................................................................... 10
Limit Sw itch In spectio n .......................................................................................................................... 1 0
Inspecting the Load Chain ..................................................................................................................... 10
Inspecting the Hooks ............................................................................................................................. 11
Operating the Hoist ................................................................................................................................ 12
Maintenance .......................................................................................................................................... 13
Brake Inspection .................................................................................................................................... 13
Lubrication............................................................................................................................................. 13
Replacing Load Chain ........................................................................................................................... 14
How to Cut Chains ................................................................................................................................. 1 4
Making a C-Link .................................................................................................................................... 1 4
Single Fall Chain Hoist .......................................................................................................................... 14
Vertical and Hori z ontal Links.................................................................................................................. 15
Dual Fall Chain Hoists ........................................................................................................................... 15
Inspection and Maintenance .................................................................................................................. 16
Inspection Schedule A ........................................................................................................................... 16
Inspection Schedule B ........................................................................................................................... 16
Troubleshooting ..................................................................................................................................... 17
Replacement Parts ................................................................................................................................ 18
Parts Breakdown for JSH Series Electric Chain Hoists ........................................................................... 19
Parts List for JSH Series Electric Chain Hoists ....................................................................................... 20
Electric al Connec tions – JSH Series Hoists ........................................................................................... 23
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1. Read and understand the entire owner’s manual befor e att em pting assembly or operation.
2. Read and understand the warnings po sted on the m achine and i n thi s manual. Failur e to comply wit h all of these warnings m ay cause seriou s i njury.
3. Replace the warning labels if they become obscured or removed.
4. This chain hoist is designed and intended for use by properl y trained and experienced personnel only. If you are not f amiliar with t he proper and safe oper ation of a chain hoi st, do not use until proper training and knowledge have been obtained.
5. Do not use this chai n hoist for other than it s intended use. If used for other purpo ses, Walt er Meier (Manufactur ing) Inc., di sclaims any real or implied warranty and hol ds itself harmless from any injur y that may result from that use.
6. Do not install this chai n hoist where explosive hazards may exist.
7. Give your work undivided attenti on. Looking around, carrying on a conversati on and “horse-play” are careless acts that can result in serious injury.
8. Do not use to lift peopl e, or loads over people. Warn others in the vici nity when lifting or transporting a load. Avoid swingi ng load and hook.
9. Make certain t he pathway for a moving load is free of all obstructions.
10. Do not leave a suspended load unattended.
11. Do not ex c eed the rated load limit of the chain hoist.
12. Make sure l imi t switches are operat i ng properl y. Do not use lim it switches as routi ne operat ing stop s; they are emergency dev ic es onl y .
13. Do not use the loading limit device to measure a l oad.
14. Do not use the load chain to wrap around the load or as a sling.
15. Maintain firm footi ng when operating the hoist.
16. Before lifting a load, mak e sure chai n is seated i n c hain wheels or sprockets.
17. Always inspect the chai n hoi st f or dam age prior t o use. Do not use a chai n hoist wit h twisted, ki nked, worn or other wise damaged chain. If the chain hoi st is damaged, do not use until it has been repaired or replaced.
18. Do not use more than one c hain hoist to l ift or move a load. If this is unav oidable, each chai n hoist must have the same capaci ty as the load to be moved.
19. Do not use when bi nding causes an unequal load distr ibut ion on the supporting chai ns.
20. Never allow the l oad chai n to “set” ov er sharp edges. A ll lif ts must be m ade wit h strai ght chain that is free of obstacl es.
21. Do not use a chain hoist unless load is centered bet ween top and bottom hooks.
22. P rotect load c hain from weld spl atter and other contami nants. Do not all ow the hook or chai n to be contacted by a live wel ding electrode.
23. Do not permit chain or hook to be used as a ground when welding.
24. Do not u se the hoist f or lif ting guided l oads, such as elev ators and dumbwait ers. The se appli cations require additional protective devi c es which are not incorporated into this hoist.
25. Always take time to study the job to be performed and choose the safest method. Do not place yourself or other people in an unsafe position.
26. Do not attempt to repair a damaged load chai n or l engthen t he c hain.
27. Replace the chain with factor y replacement chain only. Do not use any other t y pe of chain.
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28. Use only r ec ommended lubricant when needed.
29. Never use the chai n hoist if either hook i s stretched, def ormed, or has a broken or mi ssing safety latch. Always replace the safety latch and/or the hook before placing the chain hoist back int o servic e.
30. Leave all internal maintenance to a qualified Walter Meier service center.
31. Do not oper ate this hoist while tired or under the influence of drugs, alcohol or any medic ation.
32. Understand and follow all procedures as set forth in American National Standards (ANSI), titled “Performanc e Standar d for Electric Chain Hoist, ” ANSI/ASM E HST- 1M.
Familiarize yourself with the following safety notice s used in this manual:
This means that if precautions are not heeded, it may result in minor injury
and/or possible machine damage.
fatal injury .
This means that if precautions are not heeded, it may result in serious or even
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Introduction
This manual is provided by Walter Meier (Manufacturing) Inc., covering the safe operation and maintenance procedures for the JET Model JSH Series Electric Chain Hoists. This manual contains instructions on installation, safety precautions, general operating procedures, maintenance instructions and parts breakdown. This hoist has been designed and constructed to provide years of trouble free operation if used i n accordance with instructi ons set forth i n this manual. If there are any questions or comments, pl ease contact either your local supplier or Walter Meier. Walt er M eier can also be reac hed at our web site: www.waltermeier.com.
Description
The JSH Series Elect ric Hoists are portable, rugged hoists construct ed of sturdy but lightweight die cast aluminum alloy housings. A transmission with heat-treated alloy steel gears provides reliable service. Operation is activated with one hand using pushbutton controls on a pendant cord, keeping the other hand free to gui de t he load. A m agnet ic di sc brake en sures rapi d stop and secure hol di ng of l oads. Thi s hoist is designed and tested in accordance with the American Society of Mechanical Engineers Code B30.16, “Saf ety Standar d for Overhead Hoists.”
Read and understand the entire contents of this manual before attempting set-up or operation! Failure to compl y may cause seri ou s in ju ry.
Record your purchase information here for quic k ref er ence: Model No.: Stock No.: Serial No.:
Purchased From : Date Purchased: Date Installed: Installer:
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Specifications
Figure 1
Model No. JSH-275-10 JSH-275-15 JSH-275-20 JSH-550-10 JSH-550-15 JSH-550-20
Stock No. 110100 110115 110120 110110 110515 110520
Rated Capacity (Ton) 1/8 1/8 1/8 1/4 1/4 1/4
Standard Lift (ft.) 10 15 20 10 15 20
Hoisting Speed (fpm) 16 16 16 8 8 8
Motor 1/6HP, 115V, 1PH, 60Hz
Rated Amps 3 3 3 3 3 3
Duty Cycle 25% 25% 25% 25% 25% 25%
Duty Cycle Rating H3 H3 H3 H3 H3 H3
No. of Falls 1 1 1 2 2 2
Load Chain ( mm) 4 Dia. x 12 4 Dia. x 12 4 Dia. x 12 4 Dia. x 12 4 Dia. x 12 4 Dia. x 12
Push Button Control
Cord Length (ft.) Net Weight (lbs.) 30.62 32.38 33.92 34.6 37.22 40.09
Shipping Weight (lbs.) 33.48 35.02 36.78 37.22 40.09 42.95
A 12.09 12.09 12.09 12.09 12.09 12.09 B 6.46 6.46 6.46 6.46 6.46 6.46 C 3.58 3.58 3.58 3.58 3.58 3.58 D 6.81 6.81 6.81 6.81 6.81 6.81 E 2.99 2.99 2.99 3.74 3.74 3.74 F 5.47 5.47 5.47 5.47 5.47 5.47 G 4.72 4.72 4.72 4.72 4.72 4.72
Headroom - H (in.) 15.27 15.27 15.27 17.1 17.1 17.1
6 11 16 6 11 16
Table 1
The above specifications were current at the time this manual was publi shed, but bec ause of our policy of continuous improvement, Walter Meier (Manufactur ing) Inc., reserves the right to c hange specifications at any time and without pri or notice, without incurring obligat ions.
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Unpacking
Lift the hoi st out of the carton by the top hook or the center secti on. Do not ap ply ex cessiv e for ce to the motor cover, as damage may result.
Carefully inspect t he hoist for shippi ng damage, and for loose or missing parts. Report any damage immediately to your distributor and shipping agent. Do not discard any shipping material until the Hoist is installed and running properly.
Contents of the Shipping Container
1 Hoist 1 Chain Container with Bracket and Fasteners 1 Owner’s Manual 1 Warranty Card
Installation and Assembly
Support for the hoist may be hook, clevis pin, trolley, or beam clamp. Supporting structures (such as I-Beams, etc.) should be installed by properly licensed professional installers.
Whatever method of
suspension is chosen, the support components must be rated equal to, or greater than th e capaci t y of the chain ho ist.
Electrical Connections
Electrical connections must
be made by a qualified electrician in compliance with all relevant codes. This machine must be properly grounded to help prevent electrical shock and possible fatal injury.
This machine’s power cable is installed with a plug that has an equipm ent-grounding conductor and a grounding pro ng, sim ilar to that shown in Figure 3. The plug must be plugged into a matching outlet that is properly installed and grounded in accordanc e wit h al l loc al codes and ordinances. Do not m odif y t he plug – if it will not fit the outlet, have the proper outlet installed by a qualified elec tric ian.
Grounding Instructions
This mac hine m ust be grounded. I n the event of a malfuncti on or break down, groundi ng prov i des a path of least resi stance f or electric current to reduce the risk of el ect ri c shock.
Figure 2
Figure 3
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