TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 INTRODUCTION TO HOW TO USE TROUBLESHOOTING—Continued 0005 00 TROUBLESHOOTING BASICS Troubleshooting Procedure A troubleshooting procedure serves as a starting point for your troubleshooting work. You will branch in and out of procedures as you work to find a fault. After correcting the fault, check that the problem has been corrected. The parts of a troubleshooting procedure are given below. INITIAL SETUP: Unit T YES NO TN Y YES NO YN 0019 00-1 General mechanics tool kit: automotive (WP 0926 00, Item 65) Multimeter (WP 0926 00, Item 30) Tools and Special Tools Personnel Required Maintenance Level TM 9-2350-277-20-1 Unit Mech Helper (H) References See your -10 WAIT INDICATOR LIGHT DOESN’T LIGHT 0019 00 Equipment Condition 1. Is MASTER SWITCH ON? 1. Turn MASTER SWITCH ON. 2. Verify no faults found. 1. Replace GLOW PLUG switch (WP 0209 00). 2. Verify no faults found. 1. Turn MASTER SWITCH OFF . 2. Remove instrument panel for access (WP 0279 00). 3. Remove circuits 406 (1) and 27C (2) plugs from GLOW PLUG switch jacks (3) and (4). 4. Measure resistance between switch jacks (3) and (4) with GLOW PLUG switch pressed. 5. Does multimeter read 0 ohm? Engine stopped (see your -10) Vehicle blocked (see your -10) Legend to Sample Above 1 TITLE This is the name of the procedure that best describes your symptom. 2 INITIAL SETUP This tells you the tools, materials/parts, personnel, references, and equipment conditions needed to do the procedure. 3 TASK STEPS Step-by-step instructions that isolate the fault. 4 QUESTION This is last step in YES blocks. The answer to this question will direct you to the next block. 5 BLOCK ID CODE These codes identify YES/NO blocks for ease of referencing. When filling out 2028s, list these codes, along with titles and page numbers. 6 ILLUSTRATIONS These help you locate and identify parts. 0005 00-2 Change 2