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

PROBLEM ANALYSIS GUIDE - CONT - TM-5-3820-256-24-5_156

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

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: EXCESSIVE AIR INLET RESTRICTION REASON OR CAUSE: 1. Operator error a. gauge inaccurate b. improper consideration of specifications vs. gauge locations c. no orifice in sintered fitting in Donaldson valve connection or orifice plugged 2. Dirty element. 3. Damaged element. 4. Incorrect size element 5. Damaged inlet piping. 6. Excessive bends in piping. 7. Rain cap blocks air inlet pipe opening. 8. Air intake and cab air duct misaligned in cab over models. PROBLEM: ENGINE "MISFIRING" - ERRATIC VISUAL SMOKE REASON OR CAUSE: 1. Plugged nozzle orifices (holes). 2. Low nozzle valve opening pressure. 3. Improper valve lash adjustment. 4. Valves and/or seat wear (leakage). 5. Cylinder head gasket leakage. 6. Defective injection pump. 7. Incorrect valve timing. 8. Air in fuel system. PROBLEM: EXCESSIVE BACK PRESSURE AFTER TURBOCHARGER REASON OR CAUSE: 1. Operator error... a. gauge inaccurate CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 43

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