DRAFT
TM 5-4210-249-13&P-1
0054
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Circuit breaker may be in ON position when tripped. To make sure circuit breaker is not
tripped, reset circuit breaker by switching it to OFF position then back to ON position.
Step 2.
Check if circuit breakers 12 or 14 are tripped.
a.
If circuit breakers 12 or 14 are tripped, reset tripped circuit breaker.
b.
If circuit breakers trip again, notify Supervisor.
Step 3.
Check if crew cab heater/air conditioner control switch is in ON position.
If crew cab heater/air conditioner control switch is not in ON position, place
switch in ON position.
Step 4.
Check if crew cab heater/air conditioner intake filter is free from blockage.
If crew cab heater/air conditioner intake filter is blocked, clear blockage.
Step 5.
Check if crew cab air conditioner condenser fan assembly is free from blockage.
If crew cab air conditioner condenser fan assembly is blocked, clear
blockage.
Step 6.
Check if crew cab air conditioner condenser fan power connectors are connected.
If crew cab air conditioner condenser fan power connectors are not
connected, connect them.
Step 7.
Check if crew cab heater fresh air fan assembly is free from blockage.
If crew cab heater fresh air fan assembly is blocked, clear blockage.
Step 8.
Check if crew cab heater fresh air fan power connector is connected.
a.
If crew cab heater fresh air fan power connector is not connected,
connect it.
b.
If problem still exists, notify Supervisor.
END OF TASK
FOLLOW-ON MAINTENANCE
Remove wheel chocks (TM 9-2320-347-10)
END OF TASK
END OF WORK PACKAGE
0054-2
