TM 5-3805-296-23-2
0133
Table 1. A/C Does Not Blow Cold When Maximum Cool Setting Is Selected.
0133
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
A/C Does Not Blow Cold
WARNING
When Maximum Cool
Setting Is Selected
This system is under pressure at all times, even if the engine is not
running. Heat should never be applied to a charged system.
Contact with refrigerant can cause frostbite. Keep face and hands away.
Protective goggles must always be worn when refrigerant lines are
opened, even if the gauges indicate the system is empty of refrigerant.
Always use caution when a fitting is removed. Slowly loosen the fitting. If
the system is still under pressure, evacuate the system recovering the
refrigerant before removing the fitting.
Do not smoke when servicing air conditioners or wherever refrigerant gas
may be present.
Before any checks of the air conditioning and heating system are made,
move the machine to a smooth horizontal surface. Lower all implements
to the ground. Make sure the machine is in neutral and that the parking
brake is engaged. Keep all other personnel away from the machine or
where they can be seen.
Failure to follow these warnings may result in injury or death to
personnel.
NOTE
Blower motor must be operational in all speeds in order to perform this
diagnostic procedure.
Test Step 1. Check for Active Event
Codes.
1. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
2. At MSD, check for active event
Event Code(s) Active Diagnose and
code(s) (WP 0008).
repair active event code(s) (WP 0005).
Proceed to Test Step 29.
No Event Code(s) Active Proceed to
Test Step 2.
