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CM 637 Series User Manual

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OPERATING,
MAINTENANCE &
PARTS MANUAL
MANUALLY LEVER
OPERATED
CHAIN HOIST
Manual No. 637-E
Before installing hoist, fill in the
information below.
Rated Load __________________
Serial No. ____________________
Purchase Date _______________
37700C
Rated Loads:
3/4, 1-1/2, 3, 6 tons
(750, 1500, 3000 and
6000kg.)
Follow all instructions and warnings for
inspecting, maintaining and operating this hoist.
The use of any hoist presents some risk of personal
injury or property damage. That risk is greatly
increased if proper instructions and warnings are not
followed. Before using this hoist, each operator
should 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 directed
in manual may cause injury.
SERIES 637
®
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CM 637 Series Specifications

General IconGeneral
BrandCM
Model637 Series
CategoryLifting Systems
LanguageEnglish

Summary

CM HOIST PARTS AND SERVICES

SAFETY PRECAUTIONS

DO'S AND DO NOT'S

Comprehensive list of do's and don'ts for safe hoist operation, promoting common sense.

Hoist Safety - Key Operational Points

CHOOSE THE RIGHT HOIST FOR THE JOB

Select a hoist with appropriate capacity for the specific job and load weight.

INSPECT

Visually inspect hoists before use for damage, wear, and legibility of warnings.

USE HOIST PROPERLY

Ensure hoist and load are in a straight line, frame is clear, and load is securely attached.

PRACTICE CAUTION ALWAYS

Exercise caution during operation, maintain clear surroundings, and avoid removing warning notices.

OPERATING INSTRUCTIONS

Free Chaining Operation

Describes how to disengage gearing for quick chain attachment to the load.

Attachment to the Load

Guidance on rigging the hoist and load in a straight line for safe operation.

Hoist Operation

Instructions on setting the directional lever and operating the hoist for lifting or lowering.

General Warnings and Safety Procedures

Lever Pulls

Details lever pull weights for rated capacity and indicates overload or maintenance issues.

Power Operation Warning

Warns against power operation, which can cause damage or failure.

Safety Procedures

Ensures proper operation through cleanliness, secure attachment, and load checks.

INSPECTION

Routine inspections for braking mechanism, lever movement, and load chain condition.

MAINTENANCE AND INSPECTION

HOOK INSPECTION

Criteria for replacing hooks based on damage, twist, opening, or latch engagement.

LOAD CHAIN Cleaning and Inspection

Procedures for cleaning and inspecting load chain for wear, damage, or stretching.

Lubrication

Specifies lubricants for the load chain and warns against using used motor oils.

DISASSEMBLY AND ASSEMBLY INSTRUCTIONS

Disassembly Cautions

Highlights precautions for disassembling hoists, including loose parts and spring pressure.

Assembly Instructions

Details on assembling brake components, cam guide, and lever ratchet hub.

Reeving Procedures

3/4, 1-1/2 And 3 Ton Units

Instructions for installing new load chain on 3/4, 1-1/2, and 3 ton hoist models.

6 Ton Unit

Steps for installing a new load chain on the 6 ton hoist model.

Recommended Spare Parts and Maintenance Program

RECOMMENDED SPARE PARTS

Lists recommended spare parts, especially friction washers, for continued operation.

PREVENTATIVE MAINTENANCE

Establishes a maintenance program for prolonging hoist life and ensuring dependability.

TESTING

Procedures for testing hoists before initial use, after repairs, or if unused for extended periods.

Exploded Views and Lubricant Information

ORDERING INFORMATION

Details on how to order parts, including required hoist information.

Exploded Views - Series 637 Manually Operated Lever Hoists

Visual diagrams showing the assembly of hoist components for different models.

PART NUMBERS FOR PACKAGED LUBRICANTS

Lists part numbers and quantities for recommended lubricants for hoist maintenance.

LIMITATION OF WARRANTIES, REMEDIES AND DAMAGES

INDEMNIFICATION AND SAFE OPERATION

Buyer's responsibility for complying with instructions and ensuring safe use of the goods.

WARNING: ALTERATIONS OR MODIFICATIONS

Warns against unauthorized modifications and the use of non-CM parts, which can cause injury.

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