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 lower than
the range for the ambient
temperature indicated on the chart
on page 0042 00-9, go to Step 7 of
this fault.
(b) If gage reading is lower than the
range for the ambient temperature
indicated on the chart on page
0042 00-9, go to Step 8 of this
fault.
VISUAL INSPECTION
(1) Inspect A/C hoses from system low
side service valve to system high side
service valve. Note if frost or cool spots
are forming on A/C hoses.
(2) Turn engine switch to OFF position
(TM 9-2320-360-10).
(3) Recover R-134a (WP 0056 00).
(4) If A/C hoses were not free from frost
and cool spots in Step 1 above, replace
restricted A/C hose (WP 0052 00).
(5) If A/C hoses were free from frost and
cool spots in Step 1 above, replace A/C
compressor (WP 0045 00).
(6) Replace A/C receiver/dryer
(WP 0054 00).
(7) Evacuate and charge system
(WP 0056 00).
(8) Verify repair, go to Step 23 of this fault.
HETF00478
0042 00-11