FATC 37 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 necessary. 3. First conduct the open-door test followed by closed door test as mentioned below. The following conditions to be confirmed before starting 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
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