TM 9-2320-387-24-2
25-80
Change 1
25-31. A/C PRESSURE HOSES MAINTENANCE
This task covers:
a. Removal
b. Installation
a.1.Inspection
INITIAL SETUP:
Applicable Models
M1114
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Automotive maintenance and repair: field
maintenance, basic (Appendix B, Item 6)
Materials/Parts
Four O-rings (Appendix G, Item 265)
Refrigerant oil (Appendix C, Item 48)
Sealing compound (Appendix C, Item 63)
Tiedown straps (as required) (Appendix G,
Item 463)
Manual References
TM 9-2320-387-24P
Equipment Condition
• Air horn-to-air cleaner elbow removed
(para. 3-15).
• A/C system discharged (para. 25-15).
• A/C coolant line covers removed (para. 25-32).
Maintenance Level
Direct support
1.
Loosen two nuts (6) and remove high-pressure hose (8) and two O-rings (5) from front receiver/
dryer (4) and evaporator tube (7). Discard O-rings (5).
2.
Loosen two nuts (2) and remove high-pressure hose (1) and two O-rings (3) from front receiver/
dryer (4) and rear liquid tube (17). Discard O-rings (3).
3.
Remove tiedown straps (14), as required, from hose (10), hose assembly (9), high-pressure hose (1),
and A/C wiring harness (13) in engine compartment.
4.
Remove capscrew (11), washer (16), and clamp (12) from clamping bracket (15).
5.
Remove tiedown straps (14), as required, from hose (10), hose assembly (9), high-pressure hose (1).
and A/C wiring harnes (13) at left side tunnel (18).
6.
Remove two capscrews (28) and washers (29) securing clamps (26) to left side tunnel (18).
7.
Remove high-pressure hose (1) from two clamps (26) at left side tunnel (18).
8.
Remove two screws (21), screw (22), and CTIS cover (20) from vehicle body (23).
9.
Route high-pressure hose (1) forward through CTIS cover grommet (19) and up into engine
compartment. Remove high-pressure hose (1) from vehicle.
Refer to para. 10-56 for plusnut (27) inspection and replacement.
a.1. Inspection
a. Removal
