Coffing Hoists ELC Series - User Manual

Operating, Maintenance &
Parts Manual
JL680-2
ELC Series
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 the hoist operator.
Failure to operate the equipment as directed in the manual
may cause injury.
Should you have any questions or have problems with this
product, please call Coffing Hoists at (800) 477-5003.
Before using the hoist, fill in the information below:
Model No.
Serial No.
Purchase Date
F ollow all instructions and warnings for
inspecting, maintaining and operating this hoist.
Electric Chain
250 lbs
ELC0232
1/4 T
on 1/2 Ton
ELC0516 ELC1016
ELC0532 ELC1032
1 T
on 2 Ton
ELC2016 ELC4008
For ELCET models refer to this manual and
ETA680-1 for trolley information.
Provided by: www.
hoistsdirect.com

Summary

Operating, Maintenance & Parts Manual

Safety Warning

General safety warnings for hoist operation.

Coffing Warranty

Safety Precautions

Warning: Hazardous Situations

Critical operator actions to prevent death or serious injury.

Caution: Hazardous Situations

Operator actions to prevent minor or moderate injury.

Hoist Specifications

Table 1: Hoist Specifications

Provides technical data for different hoist models, including capacity and speed.

Table 2: Motor Amperage (1-Speed)

Lists motor amperage ratings for various horsepower 1-speed hoist models.

Table 3: Motor Amperage (2-Speed)

Lists motor amperage ratings for various horsepower 2-speed hoist models.

Application Information and Safety

Environmental and Load Restrictions

Guidelines for suitable environments and limitations for lifting hazardous or guided loads.

General Safety Guidelines

General safety rules and precautions for operating the hoist safely.

Installation

Chain Container (Optional Accessory)

Installation of Standard Metal Chain Containers

Operation

Safe Lifting Practices

Key points for safe operation, including load limits and chain handling.

Overload Limiting Protection

Details the function and limitations of the overload limiting clutch.

Maintenance

Inspections

Outlines planned inspection routines based on usage and conditions.

Lowering Without Power

Procedure for manually lowering the load in case of power failure.

Hooks

Chain

Chain Inspection

Guidance on visually inspecting chain for wear, kinks, and elongation.

Chain Replacement

Step-by-step instructions for replacing the load chain while it is in the hoist.

Limit Switch Adjustment

Adjusting Upper Limit (Gold Nut)

Procedure for adjusting the upper limit switch using the gold nut.

Adjusting Lower Limit (Silver Nut)

Procedure for adjusting the lower limit switch using the silver nut.

Brake Adjustment

Hoist Controls

Wiring

Lubrication

Hoist Repairs

Electrical Parts and Brake

Guidance on disassembling and repairing electrical parts and the brake assembly.

Motor

Instructions for disassembling and repairing the hoist motor.

Gearing

Suspension

Power Cord Precautions (1-Phase Hoists)

Troubleshooting

Hook Stop Issues

Diagnosing and resolving issues related to the hook's stopping mechanism.

Pushbutton & Direction Issues

Troubleshooting pushbutton response and incorrect hook movement direction.

Troubleshooting Continued

Lifting & Lowering Problems

Diagnosing and resolving issues related to lifting, lowering, and hook movement.

Motor Overheats

Causes and remedies for the hoist motor overheating.

Troubleshooting Continued

Lack of Proper Lifting Speed

Identifying causes for reduced lifting speed and potential solutions.

Motor Brake Noise or Chatter

Addressing noise or chatter from the motor brake during starting.

Motor Brake Buzz

Diagnosing the cause of a buzzing sound from the motor brake.

Inspection and Maintenance Check List

Inspectors Report

Recommended Lubrication Schedule

Parts List for Basic Hoist

Parts List for Hoist Motor, 115;230 V - 1 Phase

Parts List for Hoist Motor, 3 Phase

Parts List for Brake & Solenoid Parts

Parts List for Electrical Parts, 1-Speed Models

Parts List for Electrical Parts, 2-Speed Models

Parts List for 1-Speed Pushbutton Station

Parts List for 2-Speed Pushbutton Station

Parts List for Limit Switch Assembly

Parts List for Long Lift Limit Switch Parts

Parts List for Gearbox

Parts List for Chaining Parts

Coffing Authorized Warranty Repair Centers and Parts Depots

Coffing Hoists ELC Series Specifications