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

PROBLEM ANALYSIS GUIDE - CONT - TM-5-3820-256-24-5_158

PROBLEM ANALYSIS GUIDE - CONT - TM-5-3820-256-24-5_160

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 ELECTRICAL PROBLEM: DISCHARGING BATTERY REASON OR CAUSE: 1. Connections loose. 2. Short circuits. 3. Connections dirty. 4. Voltage control unit out of order. 5. Alternator not charging. PROBLEM: BATTERY OVERHEATING REASON OR CAUSE: 1. High charging rate. 2. Voltage control unit out of order. PROBLEM: BATTERIES FULLY CHARGED AND ALTERNATOR CHARGING RATE HIGH REASON OR CAUSE: 1. Improper voltage regulator setting. 2. Grounded alternator field circuit (in either alternator, regulator or wiring). PROBLEM: BATTERIES LOW IN CHARGE AND LOW OR NO ALTERNATOR CHARGING RATE REASON OR CAUSE: 1. Loose connections, frayed or damaged wiring. 2. Defective batteries. 3. Low voltage regulator setting. 4. Oxidized regulator contact points. 5. Defective alternator. CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 45

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