TM 9-2320-280-34
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Equipment Condition
M997A2
Air-conditioning system discharged
Tools
only).
General mechanic's tool kit:
Right splash shield removed
automotive (Appendix G, Item 1)
(TM 9-2320-280-20).
Air filter to air horn hose removed
Materials/Parts
(TM 9-2320-280-20).
Three lockwashers (Appendix E, Item 92)
Disconnect battery ground cable
Two lockwashers (Appendix E, Item 91)
(TM 9-2320-280-20).
Two O-rings (Appendix E, Item 144)
Lubricating oil (Appendix B, Item 35.2)
General Safety Instructions
Air-conditioning system must be discharged,
Manual References
prior to replacing components.
TM 9-2320-280-20
TM 9-2320-280-24P
Maintenance Level
Direct support
a. Removal
WARNING
Air conditioning system must be discharged, prior to replacing
components in vapor system. Failure to do this may result in
injury to personnel or damage to equipment.
CAUTION
Ensure valve holes in compressor and service valves are
immediately capped after service valve removal. Failure to do so
may cause damage to compressor.
NOTE
The following procedure applies to vehicles with R-134a
refrigerant only. Refer to Paragraph 14-24 for vehicles with R-12
refrigerant.
1.
Remove two caps (15) from service valves (2) and turn service valve shafts (3) clockwise to
front-seated position.
2.
Disconnect two A/C clutch leads (1) from harness leads (16).
CAUTION
Cover or plug all open lines and connections immediately after
removal to prevent contamination. Remove all plugs prior to
connection.
3.
Remove service valves (2) and O-rings (4) from compressor manifold (7). Discard O-rings (4).
4.
Remove serpentine belt (TM 9-2320-280-20).
5.
Remove screw (13), lockwasher (9), washer (14), and spacer (5) from A/C compressor (10) and rear
mounting bracket (6). Discard lockwasher (9).
6.
Remove two nuts (8), lockwashers (9), screws (12), and A/C compressor (10) from idler pulley
bracket (11). Discard lockwashers (9).
NOTE
Perform step 7 to remove idler pulley bracket.
7.
Remove remaining three screws (12), two lockwashers (9), and idler pulley bracket (11).
Discard lockwashers (9).
Change 2
