Coffing Hoists EC3 Series

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Summary

COFFING HOIST PARTS AND SERVICES

SAFETY PRECAUTIONS

A WARNING

Critical safety instructions to prevent death or serious injury from improper operation.

A CAUTION

Safety advice to prevent minor or moderate injury from improper operation.

FOREWORD

SECTION I INTRODUCTION

1-5. APPLICATION INFORMATION

Details on how and where the hoist can be used safely and appropriately.

1-2. SAFETY STANDARDS

References to industry safety standards for overhead hoisting equipment.

1-3. HOIST CONSTRUCTION AND FEATURES

Lists key components and characteristics of the EC3 Series hoists.

1-4. BASIC HOIST DATA

Provides technical specifications like load capacity and motor HP.

1-6. WARRANTY

Outlines the terms and conditions of the product warranty.

SECTION II SAFETY

2-1. SAFETY NOTES

General safety guidelines for hoist installation and operation.

2-2. HANGING THE HOIST

Instructions for safely mounting the hoist.

2-3. POWER SUPPLY CONNECTION

Procedures for connecting the hoist to electrical power.

2-4. VENT PLUG

Information on the hoist's pressure relief fitting.

2-5. CHAIN LUBRICATION

Guidance on lubricating the hoist chain before use.

2-6. TESTING

Steps for testing hoist functions before operation.

2-7. TROLLEY INSTALLATION

Instructions for installing the hoist trolley.

SECTION III OPERATION

3-1. GENERAL

Overview of proper hoist operation procedures.

3-2. SAFETY NOTES

Essential safety points to observe during operation.

3-3. HANDLING THE LOAD

Steps for safely lifting and moving loads.

3-4. OVERLOAD LIMITING PROTECTION

Explanation of the hoist's overload protection feature.

SECTION IV INSPECTION

4-1. GENERAL

Guidelines for establishing hoist inspection schedules.

4-2. FREQUENT INSPECTION

Procedures for daily to monthly hoist checks.

4-3. PERIODIC INSPECTION

Detailed checks for monthly to yearly inspections.

4-4. LOAD BRAKE FUNCTION CHECK

Method to verify the proper operation of the load brake.

4-5. CHAIN INSPECTION

Critical checks for hoist load chain integrity and wear.

4-6. HOOK THROAT OPENING

How to measure and check the hook's throat opening.

SECTION V MAINTENANCE AND REPAIR

5-1. GENERAL

Introduction to routine maintenance and adjustments.

5-2. LIMIT SWITCH ADJUSTMENT

Procedures to set and adjust hoist limit switches.

5-3. MOTOR BRAKE ADJUSTMENT

Steps to adjust the hoist's motor brake for optimal performance.

5-4. TOP SUSPENSION REMOVAL AND REPLACEMENT

Guide for changing hoist mounting hardware.

5-5. CHAIN REPLACEMENT

Instructions for replacing the hoist's load chain.

5-6. LUBRICATION

Schedule and methods for lubricating hoist components.

5-7. CHAIN STOP INSTALLATION

How to install a safety device for chain slack.

SECTION VI TROUBLESHOOTING

6-1. GENERAL

An overview of common hoist problems and their solutions.

Lack of Proper Lifting Speed

Diagnosing and fixing issues with slow lifting.

Load Brake Noise.

Addressing noise or squealing from the load brake.

Motor Brake Noise or Chatter.

Resolving noise issues with the motor brake.

Motor Brake Buzz.

Troubleshooting buzzing sounds from the motor brake.

SECTION VII WIRING

7-1. VOLTAGE CONVERSION

Instructions for changing the hoist's operating voltage.

7-2. WIRING DIAGRAMS

Reference to electrical schematics for the hoist.

REPAIR PARTS LIST

8-1. GENERAL

Introduction to the exploded parts drawings.

8-2. HOW TO USE THE PARTS LIST

Guide on interpreting the parts catalog.

LIMITATION OF WARRANTIES, REMEDIES AND DAMAGES

CMCO Warranty (HOISTS)

Details the warranty terms for CMCO hoists.