SUBJECT CHAPTER/SECTION PAGE
(1) Electronic Overvoltage/Overload Trip Circuit 2-1 10
(2) Electronically Controlled Current Limit 2-1 10
(3) Regulated DC Output Voltage 2-1 10
(4) Thermal Overload Trip 2-1 11
SECTION 2. OPERATION 2-2 1
1. General 2-2 1
2. Preparation for Operation 2-2 1
3. Operation Procedure 2-2 2
A. Input Control Functions 2-2 2
B. Output Control Functions 2-2 2
C. Voltmeter 2-2 2
D. Output Current Limit 2-2 2
CHAPTER 3. SERVICING
SECTION 1. MAINTENANCE 3-1 1
1. General 3-1 1
2. Inspection 3-1 1
3. Lubrication 3-1 1
4. Parts Replacement 3-1 2
A. Minor electrical components 3-1 2
B. Major Electrical Components 3-1 2]
Section 2. INSPECTION CHECK
AND REPAIR 3-2 1
1. General 3-2 1
2. Exterior Cables and Connections 3-2 1
A. Input and Output Cables 3-2 1
B. Cable Connections 3-2 1
3. Controls and Instruments 3-2 1
A. Voltmeter, Ammeter and Control Switches 3-2 1
B. Indicating Lights 3-2 1
(1) Power input and output lights 3-2 1
(2) Overload trip indicating light 3-2 2
C. Overload Thermostat 3-2 2
D. Starting Current Limit Potentiometer 3-2 2
E. Contactors 3-2 4
(1) Output Contactor, K2 3-2 4
(2) Input Contactor, K1 3-2 4
F. Control Transformer 3-2 4
4. Major Components Check and Repair 3-2 4
A. Main Power Transformer 3-2 4
B. Silicon Controlled Rectifier Assembly and
Flyback Diode 3-2 5
OM-2010
Table of Contents April 10/89 Revised
Page 2
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