Table of Contents
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EFFECTIVE: February 19, 2009
Owner's Manual
ELECTRIC
CHAIN HOIST
ER2 and NER2
SERIES
1/8 Ton through 5 Ton Capacity
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
injury or death, and/or property damage.
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Chapters
Table of Contents
Related Manuals for Harrington NER2050L
Summarization of Contents
Important Information and Warnings
Terms and Summary
Defines key terms and provides a summary of important information for safe operation.
Technical Information
Specifications
Details the technical specifications including product codes, speeds, and voltage.
Product Code
Explains the coding system used to identify hoist models and their configurations.
ER2 and NER2 Models
Highlights the differences between the ER2 and NER2 hoist series, focusing on brake mechanisms.
Operating Conditions and Environment
Specifies the environmental parameters and duty ratings for hoist operation.
Mounting the Hoist
Electrical Connections
Guides on connecting power supply and pendant cords, emphasizing safety precautions.
Operation
Introduction
Provides an overview of hoist operation and essential training requirements for operators.
Shall's and Shall Not's for Operation
Lists critical do's and don'ts for safe and proper hoist operation to prevent hazards.
Hoist Controls
Describes the function of pendant controls, including emergency stop and dual-speed operation buttons.
Inspection
General
Defines terms related to inspection and personnel qualifications as per ANSI/ASME standards.
Inspection Classification
Classifies inspections into Frequent and Periodic based on service conditions and intervals.
FREQUENT Inspection
Specifies visual inspection criteria for normal, heavy, and severe service conditions.
PERIODIC Inspection
Defines periodic inspection intervals and criteria for various service conditions.
Maintenance and Handling
Count/Hour Meter
Explains the function and usage of the Count/Hour meter for tracking hoist operation and maintenance.
Lubrication – Load Chain, Hooks and Suspension
Provides guidance on lubricating the load chain, hooks, and suspension components for longevity.
Lubrication - Gearbox
Details the correct types of gear oil and procedures for checking and replacing gearbox oil.
Motor Brake
Describes the motor brake, its non-adjustability, and criteria for wear.
Load Chain
Covers procedures for lubricating, cleaning, and replacing the load chain.
Friction Clutch and Mechanical Load Brake with Friction Clutch
Addresses abnormal operation and replacement procedures for friction clutches and mechanical brakes.
Parts List
Housing and Motor Parts
Lists and illustrates parts related to the hoist's housing and motor assembly.
Gearing Parts
Details and illustrates the various components of the hoist's gearing system.
Hook and Chain Parts
Lists and illustrates components associated with the hoist's hook and load chain.
Electric Parts (Single Speed)
Identifies and lists electrical components specific to single-speed hoist models.
Electric Parts (Dual Speed)
Lists and illustrates electrical parts required for dual-speed hoist configurations.
Power Supply and Pendant Parts
Details components related to the hoist's power supply connection and pendant control.
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