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