TM 9-2320-280-34
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Manual References
M997A2
TM 9-2320-280-20
TM 9-2320-280-24P
Tools
Equipment Condition
General mechanic's tool kit:
Air-conditioning system discharged
automotive (Appendix G, Item 1)
Materials/Parts
Companion seat removed
Four O-rings (Appendix E, Item 144)
(TM 9-2320-280-20).
Three tiedown straps (Appendix E, Item 252)
Air horn hose removed (TM 9-2320-280-20).
Two tiedown straps (Appendix E, Item 255)
General Safety Instructions
Three lockwashers (Appendix E, Item 120)
Insulation (Appendix B, Item 26)
Air conditioner system must be discharged,
Lubricating oil (Appendix B, Item 35.2)
prior to replacing components.
Personnel Required
Maintenance Level
One mechanic
Direct support
One assistant
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
All air-conditioning pressure lines are replaced basically the same.
This procedure covers the A/C compartment to compressor lines.
Suction line has a larger diameter than the discharge line, fittings
will not interconnect.
The following procedure applies to vehicles with R-134a refrigerant
only. Refer to Paragraph 14-18 for vehicles with R-12 refrigerant.
a. Removal
1.
Remove two capscrews (17), lockwashers (18), washers (19), harness bracket (20), clamps (21),
suction line (3), and discharge line (4) from body (5). Remove clamps (21) from suction
line (3) and discharge line (4). Discard lockwashers (18).
2.
Disconnect suction line (3) and discharge line (4) from fittings (1). Remove and discard two O-rings (2).
3.
Remove three tiedown straps (6) and slide insulation (7) on suction line (3) and discharge line (4)
away from suction hose (8) and discharge hose (9). Disconnect and remove suction line (3) and
discharge line (4) from suction hose (8) and discharge hose (9). Discard tiedown straps (6).
4.
Remove nut (15), lockwasher (14), washer (11), capscrew (10), clamp (16), suction hose (8), and
discharge hose (9) from underside of body (13). Remove two tiedown straps (12) securing suction
hose (8) and discharge hose (9) together. Remove clamp (16) from suction hose (8) and
discharge hose (9). Discard lockwasher (14) and tiedown straps (12).
5.
Remove and discard insulation (7) from suction hose (8) and discharge hose (9).
Change 2
