TM-9-2320-386-24-1-2
2-1/2-TON, 6X6, M44A3 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; EXTENDED SERVICE PROGRAM (ESP); UNIT, DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL; VOLUME 2 OF 2
MAY 2001
TM-9-2320-386-24-1-2 - Page 27 of 636
Direct Support Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
55. ODOR OF FUEL IN VENTILATING AIR
Step 1. Check for leaking fuel connections at stand-pipe and fuel valve.
Tighten connections if loose (TM 9-2320-361-34).
Step 2. Check burner preformed packing and gasket (TM 9-2320-361-34).
Replace preformed packing and gasket if defective (TM 9-2320-361-34).
END OF TESTING!
56. BLOWER RUNS, BUT HEATER FAILS TO IGNITE
Step 1. Test igniter (TM 9-2320-361-34).
Replace igniter if defective (TM 9-2320-361-34).
Step 2. Check fuel control valve (TM 9-2320-361-34).
Replace fuel control valve if defective (TM 9-2320-361-34).
Step 3. Check for obstructed ignition air passages.
Clear ignition air passages of obstruction.
END OF TESTING!
57. HEATER SMOKES DURING NORMAL OPERATION
Step 1. Check for slow blower motor operation (TM 9-2320-361-34).
Replace blower motor if defective (TM 9-2320-361-34).
Step 2. Test fuel control valve (TM 9-2320-361-34).
Replace fuel control valve if defective (TM 9-2320-361-34).
END OF TESTING!
TM 9-2320-386-24-1-2
0293 00
0293 00-13/14 blank
END OF WORK PACKAGE
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