Hobart GPU-600 - Page 7

SUBJECT CHAPTER/SECTION PAGE
(1) Visual 3-2 5
(2) Voltohmmeter 3-2 5
(3) Voltage Test for SCR Assembly 3-2 6
C. Filter Choke and Capacitor Voltage Test 3-2 6
D. Printed Circuit Control Board 3-2 6
SECTION 3. CALIBRATION AND TEST
OF PC CONTROL BOARD 3-3 1
1. General 3-3 1
2. Printed Circuit Board Test Values and
Adjustments 3-3 1
SECTION 4. TROUBLESHOOTING 3-4 1
1. General 3-4 1
2. Troubleshooting 3-4 1
3. Equipment for Troubleshooting 3-4 2
4. Safety 3-4 2
5. Voltages of Interest 3-4 2
6. SCR Malfunction Instructions 3-4 3
A. Normal SCR Malfunction Conditions 3-4 3
B. Severe SCR Malfunction Conditions 3-4 3
C. SCR tests or checks 3-4 3
CHAPTER 4. ILLUSTRATED PARTS LIST
SECTION 1. INTRODUCTION 4-1 1
1. General 4-1 1
2. Purpose 4-1 1
3. Arrangement 4-1 1
4. Explanation of Parts List 4-1 1
A. Contents 4-1 1
B. Parts List Form 4-1 2
(1) “FIGURE-ITEM NO.” Column 4-1 2
(2) “HOBART PART NUMBER” Column 4-1 2
(3) “NOMENCLATURE” Column 4-1 2
(4) “EFF” (Effective) Column 4-1 2
(5) “UNITS PER ASSEMBLY” Column 4-1 2
SECTION 2. MANUFACTURER’S
CODES 4-2 1
1. Explanation of Manufacturer’s (Vendor)
Code List 4-2 1
OM-2010
April 10/89 Revised Table of Contents
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