TM 9-2320-280-34
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Equipment Condition
M997, M997A1
Air-conditioning system discharged
Tools
Air horn to air cleaner hose removed
General mechanic's tool kit:
(TM 9-2320-280-20).
automotive (Appendix G, Item 1)
General Safety Instructions
Materials/Parts
Air conditioner system must be discharged,
Two O-rings (Appendix E, Item 144)
prior to replacing components.
Lubricating oil (Appendix B, Item 35)
Maintenance Level
Manual References
Direct support
TM 9-2320-280-20
TM 9-2320-280-24P
WARNING
Air conditioner 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.
NOTE
Suction (low pressure) and discharge (high pressure) service
valves are replaced basically the same. This procedure covers the
suction service valve.
The following procedure applies to vehicles with R-12 refrigerant
only. Refer to para. 14-27.9 for vehicles with R-134a refrigerant.
a. Removal
1.
Disconnect suction line (1) from service valve (2).
2.
Remove suction service valve (2) and two O-rings (3) from compressor (4). Discard O-rings (3).
b. Installation
1.
Lubricate two O-rings (3) with lubricating oil and install on suction service valve (2).
2.
Install suction service valve (2) on compressor (4).
3.
Connect suction line (1) to suction service valve (2).
2
1
3
4
FOLLOW-ON TASKS: Evacuate and charge air-conditioning system (para. 14-17).
Install air horn to air cleaner hose (TM 9-2320-280-20).
Change 2
