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Harrington ER2 Series User Manual

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Owner’s Manual
ELECTRIC
CHAIN HOIST
ER2 and NER2
SERIES
1/8 Ton through 5 Ton Capacity
EFFECTIVE: February 19, 2009
Code, Lot and Serial Number
WARNING
This equipment should not be installed, operated, or
maintained by any person who has not read and understood
all the contents of this manual. Failure to read and comply
with the contents of this manual can result in serious bodily
in
j
ur
y
or death, and/or
p
ro
p
ert
y
dama
g
e.

Questions and Answers:

Harrington ER2 Series Specifications

General IconGeneral
TypeElectric Chain Hoist
Phase1 or 3
Capacity0.25 to 5 tons
MotorThermally protected
BrakeMechanical
ControlPendant
Chain MaterialAlloy steel
HooksForged steel
StandardsASME B30.16
Maximum Lift30 feet

Summary

Important Information and Warnings

Terms and Summary

Explains signal words like Danger, Warning, Caution, and Notice.

Warning Tags and Labels

Describes the warning tags supplied with the hoist and their importance.

Technical Information

Specifications

Covers product codes, model differences, and operating conditions.

Preoperational Procedures

VFD Setup (Dual Speed Only)

Details VFD keypad interface and operator display functions.

Preoperational Checks and Trial Operation

Outlines necessary checks before operating the hoist.

Operation

Introduction

General safety warnings and responsibilities for hoist operators.

Shall's and Shall Not's for Operation

Lists essential operational DOs and DON'Ts for safe hoist use.

Hoist Controls

Explains operation of pendant controls and emergency stop buttons.

Inspection

Inspection Methods and Criteria

Lists specific inspection methods and criteria for hoist components.

Maintenance and Handling

Count/Hour Meter

Explains the function of the Count/Hour meter for single and dual speed hoists.

Troubleshooting

Troubleshooting Guide

Lists common hoist symptoms, causes, and remedies.

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