TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 16. INOPERATIVE GLOW PLUG SYSTEM AT LOW AMBIENT TEMPERATURE (MODEL 7063-7391 ) Step 1. Step 2. Step 3. Step 4. END OF TEST Check batteries for low or no voltage (Refer to applicable vehicle type-20 maintenance manual for test and services). Glow plug wait/pilot lamp does not light. a. Ambient temperature above 50 o F. b. Check wait/pilot lamp bulb (Refer to applicable vehicle type-20 maintenance manual for test and services). c. All four paired glow plug connector pins short circuited (Refer to applicable vehicle type-20 maintenance manual for test and services). d. Controller switching device is open (Refer to Para 5.1-8 to remove and replace glow plug controller). Glow plug wait/pilot lamp stays lit. Fault in glow plug controller (Refer to Para 5.1-8 to remove and replace glow plug controller). Glow plug wait/pilot lamp flashes during preglow and afterglow periods. Glow plug controller short circuit protection fuse(s) failed. (Refer to applicable vehicle type-20 maintenance manual for test and services). Change 1 2-19/2-20 Blank