ARMY TM 9-6115-464-34
AIR FORCE TO 35C2-3-445-2
NAVY NAVFAC P-8-624-34
Table 5-1. FUEL BURNING WINTERIZATION KIT TROUBLESHOOTING CHART (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. SWITCH ON, HEATER WILL NOT IGNITE; BLOWER OPERATES
Step 1. Defective igniter.
Replace igniter (para. 5-4).
Step 2. Metering orifice clogged.
Clean orifice (para. 5-4).
Step 3. Pressure regulator solenoid closed.
Check regulator valve. Replace if defective (para. 5-4).
4. FAN RUNS WITH SWITCH OFF
Step 1. Broken quartz rod.
Replace rod (para. 5-4).
Step 2. Flame switch out of adjustment.
Adjust flame switch (para 5-4).
5. HEATER STARTS, THEN GOES OUT.
Step 1.
Step 2.
Faulty micro switch.
Replace switch (para. 5-4).
Overheats, trips limit switch.
Check fuel regulator delivery rate. Adjust as required (para. 5-4).
6. CIRCUIT BREAKER OPENS
Short circuit.
Disconnect basic components, one at a time to isolate short (para. 5-4),
then check wiring (para. 5-6).
7. FAILURE TO SHUT OFF
Step 1. Fuel regulator valve stuck open.
Replace valve (para. 5-4).
Step 2. Flame switch stuck open.
Adjust or replace (para 5-4).
5-2
