TM 5-6115-465-12
TO 35C2-3-446-1
NAVFAC P-8-625-12
TM 06858B/06859D-12
Fuel Burning Winterization Kit Trouble Shooting
MALFUNCTION
PROBABLE CAUSE
CORRECTIVE ACTION
Press-to-test
a. Discharged batteries.
a. Recharge or replace batteries (para.
indicator does
not light when
b. Circuit breaker open.
b. Reset circuit breaker (para. 2-22).
pressed
c. Defective control assembly.
c. Replace control assembly (para. 4-8).
a. Reset circuit breaker (para. 2-22).
Heater control
a. Circuit breaker open.
switch placed in
b. Discharged batteries.
b. Replace or recharge batteries (para.
ON position but
heater does not
start
c. Defective wiring harness.
c. Replace damaged wiring harness
d. Defective control assembly.
d. Replace control assembly (para. 4-8).
a. Heater fuel shutoff valve
Blower operates
a. Open fuel shutoff valve (para. 2-22).
but heater does
closed.
not ignite
b. Generator set fuel supply
b. Service generator set fuel supply
exhausted.
c. Restriction in fuel supply line.
c. Remove fuel line restriction.
d. Defective thermostat switch.
d. Test thermostat switch. Replace if
necessary (para. 4-8).
e. Defective igniter assembly.
e. Inspect and test igniter assembly. Re-
place if necessary (para. 4-8).
f. Regulator valve assembly
f. Service regulator valve assembly
screen, sintered filter or
metering orifice clogged.
g. Generator set fuel transfer
g. Replace fuel transfer pumps (para.
pumps defective.
Surging heater
a. Restriction in fuel line.
a. Locate and remove restriction in fuel
line.
b. Defective generator set fuel
b. Replace fuel transfer pumps (para.
transfer pumps.
c. Defective igniter assembly.
c. Inspect and test igniter assembly.
Replace if necessary (para. 4-8).
Heater combustion
Flame switch out of adjustment.
Adjust flame switch (para. 4-8).
continues titer
heater control
switch placed in
OFF position.
Heater does not
Flame switch out of adjustment.
Adjust flame switch (para. 4-8).
complete purge
cycle
Fan continues to
a. Flame switch out of adjustment.
a. Adjust flame switch (para. 4-8).
operate after
purge cycle
b. Incorrect wiring connections.
b. Check wiring for improper connections.
Correct as necessary.
