PROBLEM ANALYSIS GUIDE - CONT - TM-5-3820-256-24-5

PROBLEM ANALYSIS GUIDE - CONT - TM-5-3820-256-24-5_159

PROBLEM ANALYSIS GUIDE - CONT - TM-5-3820-256-24-5_161

TM-5-3820-256-24-5 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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SERVICE MANUAL INTRODUCTION Introduction PROBLEM: NO ALTERNATOR OUTPUT REASON OR CAUSE: 1. Defective alternator. PROBLEM: AMMETER SHOWS DISCHARGE WITH ENGINE OPERATING REASON OR CAUSE: 1. Alternator inoperative. 2. Faulty voltage regulator. 3. Short circuits. 4. Alternator has loose or broken belt. PROBLEM: NOISY ALTERNATOR REASON OR CAUSE: 1. Loose mountings. 2. Loose pulley. 3. Worn bearings. PROBLEM: AMMETER POINTER FLUCTUATES RAPIDLY REASON OR CAUSE: 1. Shortened or loose connections. 2. Alternator defective. 3. Alternator drive belt loose or broken. 4. Low idling speed. PROBLEM: VOLT-METER SHOWS LESS THAN 26 VOLTS WITH ENGINE AT HIGH IDLE REASON OR CAUSE: 1. Alternator inoperative. 2. Faulty voltage regulator. 3. Defective connections. CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 46

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