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Hobart 120CU20 User Manual

Hobart 120CU20
246 pages
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OM-2228
05/06/13– Original
10/15/13- Rev A
Operation and Maintenance Manual
with
Illustrated Parts List
for
120CU20
120 kVA, 3 Phase, 115/200 Volt,
400 Hz. Generator Set
Series 500120
ITW GSE Group
Hobart Ground Systems
Palmetto, Florida 34221
U.S.A.

Table of Contents

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Hobart 120CU20 Specifications

General IconGeneral
Fuel TypeGasoline
Fuel Tank Capacity8.3 gallons
Weight330 lbs
Frequency60 Hz
Rated AC Voltage120V
Voltage120 V
Engine Type4-Stroke OHV

Summary

Warranty

Record of Change

Safety Warnings and Cautions

General

General safety precautions for operating electrical power equipment.

Shock Prevention

Measures to prevent electric shock, including grounding and avoiding damp areas.

Service and Maintenance

Guidelines for maintaining the equipment's electrical condition and safety.

Fire And Explosion Prevention

Covers prevention of fires and explosions from electrical shorts, fuel misuse, etc.

Toxic Fume Prevention

Safety measures to prevent harm from toxic fumes like carbon monoxide.

Bodily Injury Prevention

Safety measures to prevent injury from contact with moving parts or hot surfaces.

Medical and First Aid Treatment

Information on first aid facilities and procedures for injury victims.

Equipment Precautionary Labels

Instructions on inspecting and maintaining precautionary labels on equipment.

Introduction

Chapter 1 Description/Operation

Section 1 Description

Overview of the 120CU20, 400 Hz Generator Set manufactured by ITW GSE Group.

Section 2 Preparation for Use, Storage or Shipping

Procedures for preparing the generator set for operational use, storage, or shipping.

Section 3 Operation

Instructions for the safe and efficient operation of the 400 Hz power supply.

Chapter 2 Servicing / Troubleshooting

Section 1 Maintenance Inspection/Check

Guidelines for regular inspections and checks to ensure equipment readiness.

Section 2 Maintenance Procedures

Detailed procedures for routine maintenance tasks on the generator set.

Section 3 Adjustments / Tests

Procedures for testing and adjusting generator set components and controls.

Section 4 Troubleshooting Procedures

Guidance on identifying and resolving common faults and malfunctions.

Chapter 3 Overhaul / Major Repair

Section 1 Exciter Armature

Instructions for the removal and installation of the exciter armature.

Section 2 Dual Bearing Flexible Coupling

Procedures for servicing the flexible coupling assembly between engine and generator.

Section 3 Generator Assembly

Instructions for the removal and installation of the generator assembly.

Chapter 4 Illustrated Parts List

Section 1 Introduction

Overview of the Illustrated Parts List content and arrangement.

Section 2 Manufacturer’s Codes

List of vendor codes with names and addresses for purchased parts.

Section 3 Illustrated Parts List

Detailed list of illustrated parts with part numbers and quantities.

Section 4 Numerical Index

Index to assist in finding illustrations and descriptions by part number.

Chapter 5 Manufacturer’s Literature

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