TM 9-2320-387-24-2
25-56.2
Change 1
25-20.1. A/C COMPRESSOR MANIFOLD REPLACEMENT
This task covers:
a. Removal
b. Installation
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
Lockwasher (Appendix G, Item 239)
Three O-rings (Appendix G, Item 265)
Refrigerant oil (Appendix C, Item 48)
Seal washer (Appendix G, Item 423.1)
Seal washer (Appendix G, Item 423.2)
Manual References
TM 9-2320-387-24P
Equipment Condition
• Battery ground cables disconnected (para. 4-68).
• A/C system discharged (para. 25-15).
• Air horn-to-air cleaner elbow removed
(para. 3-15).
Maintenance Level
Direct support
NOTE
Use a wrench to hold the A/C compressor manifold nut stationary
while loosening the A/C hose fitting.
1.
Disconnect high-pressure hose (5) from manifold tube (3).
2.
Disconnect high-pressure hose (6) from manifold tube (7).
3.
Disconnect high-pressure hose (8) from manifold tube (7).
4.
Remove three O-rings (4) from manifold tubes (3) and (7). Discard O-rings (4).
5.
Remove capscrew (1), lockwasher (2), A/C manifold (12), and seal washers (11) and (10) from A/C
compressor (9). Discard lockwasher (2) and seal washers (10) and (11).
a. Removal
1.
Install seal washer (10) and seal washer (11) on A/C manifold (12).
2.
Install A/C manifold (12) on A/C compressor (9) with lockwasher (2) and capscrew (1). Tighten
capscrew (1) to 18 lb-ft (24.4. N•m).
3.
Apply refrigerant oil to O-ring (4), and install on high-pressure hose (5).
4.
Connect high-pressure hose (5) to manifold tube (3).
5.
Apply refrigerant oil to O-ring (4), and install on high-pressure hose (6).
6.
Connect high-pressure hose (6) to manifold tube (7).
7.
Apply refrigerant oil to O-ring (4), and install on high-pressure hose (8).
8.
Connect high-pressure hose (8) to manifold tube (7).
b. Installation
