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FATC
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14. MAINTENANCE
NOTE
While starting the Vehicle itself after long duration
(more than 15 days), following procedure need to be
followed to meet AC performance. Start the vehicle
in AC & Blower OFF conditions in idling for 2-3
minutes, then switch on the AC and Blower & run it
for 2~3 minutes for circulation of refrigerant & oil to
lubricate the internal parts of AC system.
A. PRELIMINARY INSPECTION
i. AC SYSTEM PERFORMANCE TEST
1. Place the vehicle in a ventilated, shaded area
free from wind.
2. Check that the surface of the condenser is not
restricted with dirt, leaves, flies, etc. Clean as neces-
sary. 3. First conduct the open-door test followed by
closed door test as mentioned below.
The following conditions to be confirmed before start-
ing the test:
Vehicle stationary with all doors open
Blower speed
Max
AC switch
ON
Temperature knob Max cool
Vent knob
Chest
Air Intake
Recirculation mode
ii. OPEN DOOR TEST
TEST DURATION: 10 min.
INITIAL VEHICLE CONDITIONS
Run the vehicle in the above condition with all doors open for 10 min. At the end of 10 min insert the probe at the
front vent and record the readings similarly insert the probe at the rear vent and record the reading.