INTRODUCTION
1. General
This Introduction is intended to give the reader a better understanding of how to use the manual properly.
The manual can be very helpful to you if you will READ THIS INTRODUCTION FIRST. READ AND UN-
DERSTAND THE MANUAL BEFORE ATTEMPTING TO OPERATE, INSTALL, OR REPAIR THIS
EQUIPMENT.
2. Scope
The manual covers a solid state controlled transformer-rectifier, 600 A DC ground power unit having the
Specification Numbers listed. It gives a detailed description of the equipment and includes information cov-
ering operation, installation, troubleshooting and repair.
3. Purpose
The manual’s purpose is to provide information and instructions to experienced operators, electricians,
and repairmen who have never seen or operated this equipment. It is the intent of the manual to guide
and assist operators and maintenance personnel in the proper use and maintenance of the equipment.
4. Contents
Immediately following the Introduction is a List of Effective Pages which lists each page in the manual by
its Chapter/Section, and page number. Directly opposite each page number listing is a date which indi-
cates whether the page is original or revised.
A complete Table of Contents appears next in sequence. It contains a list of all Chapters, Sections, and
the principal paragraph titles within each Section. The location of each listing is identified by Chapter/Sec-
tion and page number. A complete list of illustrations with their location is located at the end of the Table
of Contents.
The main text of the manual is divided into five Chapters as follows:
Chapter 1. Receipt and Installation Instructions
Chapter 2. Description and Operation
Chapter 3. Servicing
Chapter 4. Illustrated Parts List with Index
Chapter 5. Optional Equipment
Chapter 6. Manufacturer’s Literature
Each Chapter is divided into as many Sections as necessary. Sections are always referred to by a combi-
nation Chapter/Section number. Example, 2-3 refers to Chapter 2, Section 3.
OM-2010
April 10/89 Revised Introduction
Page 1