OPERATING,

MAINTENANCE &

PARTS MANUAL

MANUALLY LEVER

OPERATED

CHAIN HOIST

Manual No. 637-E

Before installing hoist, fill in theinformation below.

Rated Load __________________

Serial No. ____________________

Purchase Date _______________

37700C

Rated Loads: 3/4, 1-1/2, 3, 6 tons(750, 1500, 3000 and6000kg.)

Follow all instructions and warnings for inspecting, maintaining and operating this hoist.The use of any hoist presents some risk of personalinjury or property damage. That risk is greatlyincreased if proper instructions and warnings are notfollowed. Before using this hoist, each operatorshould become thoroughly familiar with all warnings,instructions and recommendations in this manual.Retain this manual for future reference and use.

Forward this manual to operator. Failure to operate equipment as directedin manual may cause injury.

SERIES637®

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Hoist Safety is up to you...WARNING - DO NOT APPLY MORE THAN RATED LOAD.

VIOLATION OF ANY OF THE WARNING LISTED MAY RESULT IN SERIOUS PERSONAL INJURY TO THEOPERATOR OR NEARBY PERSONNEL BY RELEASED LOAD OR BROKEN HOIST COMPONENTS.

WARNING- DO NOT OPERATE DAMAGED OR MALFUNCTIONING UNIT- DO NOT OPERATE WITH TWISTED, KINKED OR DAMAGED CHAIN- DO NOT PULL ON OR TURN FREE CHAINING KNOB IF HOIST IS LOADED.

WARNING

- DO NOT PULL AT AN ANGLE. BE SURE HOIST AND LOAD ARE IN A STRAIGHT LINE.- DO NOT USE UNLESS FRAME AND CHAIN FORM A STRAIGHT LINE BETWEEN HOOKS.

- DO NOT USE IF FRAME IS IN CONTACT WITH ANY OBJECT.- DO NOT USE LOAD CHAIN AS A SLING.- DO NOT USE AN EXTENSION ON THE LEVER.

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Remember the Series 637 LeverHoist was designed to ease ourburden and carelessness not onlyendangers the operator, but in manycases, a valuable load.

The application, the size and type ofload, the attachments to be usedand the period of use must also betaken into consideration in selectingthe right hoist for the job.

lubricated.

Hooks that are bent, worn orwhose openings are enlargedbeyond normal throat openingshould not be used. If latchdoes not engage throat openingof hook, hoist should be takenout of service.

Check brake for evidence ofslippage under load.Do not pull on or turn FreeChaining Knob if hoist is loaded.Load will release.

All hoists should be visually inspectedbefore use, in addition to regular, periodicmaintenance inspections.

Inspect hoists for operations warningnotices and legibility.

Deficiencies should be noted and broughtto the attention of supervisors. Be suredefective hoists are tagged and taken outof service until repairs are made.

Under no circumstances shouldyou operate a malfunctioninghoist.

Check for gouged, twisted,distorted links and foreignmaterial. Do not operate Hoistswith twisted, kinked or damagedchain links.Load chain should be properly

Choose a hoist with the capacity for thejob. Know the capacities of your hoists andthe weight of your loads. Then match them.

CHOOSE THE RIGHTHOIST FOR THE JOB...

INSPECT

USE HOIST PROPERLY

PRACTICE CAUTIONALWAYS

5 OPERATORSERVICEBe sure the hoist issolidly held in theuppermost part of thesupport hook arc.

Be sure hoist and load arein a straight line. Do notuse unless frame andchain form a straight linebetween hooks.

Be sure load is hooked securely.Do not tip load the hook. Do notload hook latch. Hook latch is toprevent detachment of loadunder slack chain conditionsonly.

Do not operate with frameresting against any object.Apply the load gently. Do notjerk it.

Never use an extension on thelever! You’re dangerouslyoverloading the hoist if you exceedthe rated lever pull or if you have touse a lever extension to lift or pull aload.

Do not lift co-workers witha hoist.

Make sure everyone isclear of the load when youapply tension.

Do not remove or obscureoperational warningnotices.

CLEANINGSeries 637 Lever Hoists should bekept clean and free of dust, dirt,moisture, etc., which will in anyway affect the operation or safetyof the equipment.

LUBRICATIONChain should be properlylubricated.

AFTER REPAIRSCarefully operate the hoist beforereturning it to full service.

WARNING - DO NOT LIFT PEOPLE OR LOADS OVER PEOPLE.

© 2000 Columbus McKinnon Corp. Printed in USA

Columbus McKinnon Corporation • Industrial Products Division • 140 John James Audubon ParkwayAmherst, New York 14228-1197 • 1-800-888-0985 • Fax 716-689-5644

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