TM 5-3810-307-24-1-1
AIR CONDITIONER (CARRIER CAB)
Test
Refer to Appendix B for testing procedures.
Inspect
Refer to Appendix B for inspection procedures.
Removal
a.
Ensure battery disconnect switch is in the OFF position.
b.
Remove roof mounted air conditioner unit as follows:
(1)
Remove nuts (1, Figure 2-1-7), lockwashers (2), washers (3), and hose cover (4) from cab roof.
(2)
Remove capscrews (5), washers (6), and cover (7) from air conditioner unit (14).
(3)
Discharge/recover system refrigerant, refer to instructions for assigned recovery system and
Appendix B.
(4)
Disconnect refrigerant hoses (8 and 9) from air conditioner unit (14).
(5)
Remove capscrews (10), release control panel (11), tag and disconnect cab harness electrical leads
from switch assembly (85), and allow control panel to hang from bottom of air conditioner unit (14)
inside cab.
(6)
Remove capscrews (12) and washers (13) from interior cab roof securing air conditioner unit (14) to
exterior cab roof.
CAUTION
Use care to ensure control panel (11) does not catch on opening in roof when
removing air conditioner unit (14) from cab. Wiring and thermostat sensor lead
may be damaged.
(7)
Remove air conditioner unit (14) with control panel (11) and rubber spacers (15 and 16) from cab
roof.
(8)
If necessary, remove seal (17) from exterior cab roof.
c.
Remove compressor as follows:
(1)
Tag and disconnect electrical lead from engine harness.
(2)
Recover system refrigerant, refer to instructions for assigned recovery system and Appendix B.
(3)
Disconnect refrigerant hoses (8 and 9, Figure 2-1-7) from compressor (33). Cap hoses to prevent
entry of contaminants.
(4)
Remove nut (18), star washer (19), washer (20), capscrew (21), and ground wire (39) from
compressor (33) housing.
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