TM 9-2320-280-34
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Equipment Condition
M997A2
Air-conditioning system discharged
Tools
Evaporator blower housing opened
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,
Nonmetallic seal (Appendix E, Item 215)
prior to replacing components.
O-ring (Appendix E, Item 133)
Maintenance Level
O-ring (Appendix E, Item 131)
Direct support
O-ring (Appendix E, Item 132)
Lubricating oil (Appendix B, Item 35.2)
Manual References
TM 9-2320-280-20
TM 9-2320-280-24P
a. Removal
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.
CAUTION
Cover or plug all open hoses and connections immediately after
disconnection to prevent contamination. Remove all plugs prior to
connection.
NOTE
The following procedure applies to vehicles with R-134a
refrigerant only. Refer to Paragraph 14-21 for vehicles with R-12
refrigerant.
1.
Remove moisture seal (9) from evaporator outlet tube (11) and control tube (12).
2.
Loosen clamp (10) and slide control tube (12) from clamp (10).
3.
Remove expansion valve pressure tube (6) and O-ring (7) from outlet tube (8). Discard O-ring (7).
4.
Remove expansion valve (3) and O-ring (4) from lower tube (5). Discard O-ring (4).
5.
Remove expansion valve (3) and O-ring (2) from inlet tube (1). Discard O-ring (2).
Change 2
