P-9-TM-457-35
T.O. 35C2-3-442-2
TM 5-6115-457-34
TM-07464A-35
Table 2-3. Troubleshooting (Continued)
PROBABLE CAUSE
CORRECTIVE ACTION
MALFUNCTION
FUEL BURNING WINTERIZATION KIT (Continued)
a. Broken quartz rod.
61. Fan runs continuously
a. Replace quartz rod
with switch off.
b. Flame switch out of
b. Readjust
adjustment.
c. Wiring defective.
c. Check continuity of wiring.
Replace if defective
62. Heater starts, then
a. Defective micro switch.
a. Test and replace micro
shuts off .
switch if defective
b. Heater overheats,
b. Check and adjust fuel flow
causing limit switch
rate by adjusting and test-
to trip.
ing regulator valve
a. Disconnect basic compo-
63. Circuit breaker trips
a. Short circuit.
open.
nents one at a time, to
isolate short, then check
wiring (figure 1-29).
a. Fuel regulator valve
64. Heater will not shut
a. Test fuel regulator valve
off .
stuck open.
and replace if defective
b. Flame switch stuck in
b. Adjust flame switch and
RUN position.
replace if defective
2-53
