A/C DOES NOT OPERATE
Tools and Special Tools
Tool Kit, General Mechanic (Item 12, WP 0060 00)
Engine off (TM 9-2320-360-10)
A/C Test Set Subassembly (Item 11, WP 0060 00)
Parking brake applied (TM 9-2320-360-10)
Detector, Leak (Item 8, WP 0060 00)
Wheels chocked (TM 9-2320-360-10)
Gloves, Rubber (Item 4, WP 0061 00)
N OT E
· Technician must be certified in mobile A/C to work on refrigeration system of A/C.
· Connect A/C test set recovery/recycling manifold gages to A/C service valves as indicated in Step 1, before per-
forming this work package.
· A/C receiver/dryer must be replaced whenever system is recovered.
Power to A/C system OK.
A/C circuit wiring OK.
A/C controls OK (except for A/C
REASON FOR QUESTION
binary switch and A/C
If A/C receiver/dryer moisture
indicator is not blue, moisture has
Read WARNING on
A/C receiver/dryer moisture
page 0042 00-3.
indicator indicates moisture in
Is A/C receiver/dryer moisture
A/C receiver/dryer sight glass
indicates desiccant breakdown or
oil in system.
A/C system charge low.
Restricted A/C hose.
A/C thermostatic switch faulty.
Air or other contaminant in A/C
A/C engine fan control circuit
00), repair any leaks found,
and replace A/C receiver/
A/C expansion valve faulty.
A/C system overcharged.
A/C system leaking.
to Step 2 of this fault.
A/C receiver/dryer faulty.
A/C binary switch faulty.
(0042 00-1 Blank)/0042 00-2