Quantcast CREW CAB HEATER DOES NOT OPERATE PROPERLY.

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TM 9-2320-279-10-3
Troubleshooting Index (Cont)
3-16. TROUBLESHOOTING MALFUNCTIONS (CONT).
Table 3-5.
Troubleshooting
Malfunction
Test or Inspection
Corrective Action
5. CREW CAB HEATER DOES NOT OPERATE PROPERLY.
CREW CAB HEATER/AIR CONDTIONER
FRESH AIR FAN ASSEMBLY
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CREW CAB HEATER/AIR
CONDITIONER CONTROL SWITCH
CREW CAB HEATER
FRESH AIR FAN POWER
CREW CAB HEATER/AIR
CONNECTOR
CONDITIONER INTAKE FILTER
(UNDER SEAT)
Step 1. Check if crew cab heater/air conditioner control switch is in the
ON position.
If crew cab heater/air conditioner control switch is not in the
ON position, place switch in ON position.
Step 2. 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 3. Check if crew cab heater/air conditioner fresh air fan assembly
is free from blockage.
If crew cab heater/air conditioner fresh air fan assembly
is blocked, clear blockage.
Step 4.
Check if crew cab heater fresh air fan power connector is
connected.
If crew cab heater fresh air fan power connector is not
connected, connect it.
Step 5. If problem still exists, notify Supervisor.



 


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