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 nonleather gloves when servicing A/C or injury may result.
PRESSURE TEST
(1) Inspect A/C test set recover/recycling
manifold high side gage reading.
(a) If gage reading is not indicating a
high system high side pressure for
the ambient temperature indicated
on the chart on page 0042 00-9, go
to Step 19 of this fault.
(b) If gage reading is indicating a high
system high side pressure for the
ambient temperature indicated on
the chart on page 0042 00-9, go to
Step 17 of this fault.
VISUAL INSPECTION
(1) Inspect A/C hoses from A/C
compressor output to A/C expansion
valve.
(a) If A/C hoses are not free from frost
and cool spots,
1 Turn engine switch to OFF
position (TM 9-2320-360-10).
2 Recover R-134a (WP 0056 00).
3 Replace restricted A/C hose
(WP 0052 00).
4 Replace A/C receiver/dryer
(WP 0054 00).
5 Evacuate and charge system
(WP 0056 00).
6 Verify repair, go to Step 23 of
this fault.
(b) If A/C hoses are free from frost and
cool spots, go to Step 18 of this
fault.
HETF00483
0042 00-23