TB 9-2320-360-13&P-1
WAR N I N G
Always use caution when approaching a hot engine. Failure to do so may result in serious burns.
Wear protective goggles and non leather gloves when servicing A/C or injury may result.
VISUAL INSPECTION
(1) Start engine (TM 9-2320-360-10).
(2) Turn A/C control switch ON (high
blower speed position) (WP 0008 00).
(3) Allow system to run for 5 to 10 minutes.
NOTE: A cover may be placed over A/C
receiver/dryer sight glass during
manufacturing. Remove cover from sight
glass as required.
(4) Inspect A/C receiver/dryer sight glass.
(a) If A/C receiver/dryer sight glass
indicates desiccant breakdown or
oil in system,
1 Turn engine switch to OFF
position (TM 9-2320-360-10).
2 Perform leak test
(WP 0038 00).
3 Recover R-134a (WP 0056 00).
4 Repair any leaks found.
CAUTION: Do not flush A/C receiver/dryer,
A/C compressor, or A/C expansion valve.
After flushing system, add required
refrigerant oil or damage to equipment may
result.
5 Flush system (WP 0056 00).
6 Replace A/C receiver/dryer
(WP 0054 00).
7 Evacuate and charge system
(WP 0056 00).
8 Start engine
(TM 9-2320-360-10).
9 Turn A/C control switch ON
(high blower speed position)
(WP 0008 00).
10 Allow system to run for 5 to 10
minutes.
11 Go to Step 4 of this fault.
(b) If A/C receiver/dryer sight glass
indicates system is free from
desiccant breakdown and oil, go to
Step 4 of this fault.
HETF00476
0042 00-7