TM 10-5410-228-24
3.9.15 Compressor, Motor, Switch and Valve Replacement Continued.
(11) Ensure machine key (22) is on shaft of compressor (3).
(12) Align machine key (22) on shaft of compressor (3) and keyway on flywheel (16). Slide flywheel
(16) onto shaft of compressor (3).
(13) Push flywheel (16) towards compressor (3). Install bolt (14) and washer (15), tighten fully.
(14) Secure compressor (3) in ECU enclosure with four screws (10), four new lockwashers (11) (Item
19, Appx E) and four flat washers (12).
(15) Connect cable assembly 1A4A1W3 connector P5 to high pressure switch HPS1 (8) and connector
P20 to high pressure switch A1RMPS1 (9).
(16) Remove plug from end of tube assembly (6).
(17) Apply refrigerant sealant to threads of tube assembly (6) and connect to elbow (7) on compressor
(3).
(18) Remove plugs from ends of tube assembly (4).
(19) Apply refrigerant sealant to threads of tube assembly (4) and connect to tee (5) on compressor
(3).
(20) Remove plugs from ends of two tube assemblies (1 and 2) and two ports on compressor (3).
(21) Apply refrigerant sealant to threads of two tube assemblies (1 and 2) and connect on compressor
(3).
Hydraulic Motor.
a. Removal (Refer to Figure 3-20)
(1)
Disconnect tube assembly (23) from tee (24) on elbow (25). Remove and discard O-ring (26) from
tee (24).
(2)
Disconnect tube assembly (27) from reducer (28) on tee (24). Remove and discard O-ring (29)
from reducer (28).
(3)
Disconnect tube assembly (30) from elbow (31) on hydraulic motor (32). Remove and discard
O-ring (33) from elbow (31).
(4)
Disconnect tube assembly (34) from elbow (35) on hydraulic motor (32). Remove and discard
O-ring (36) from elbow (35).
NOTE
Plug open ports on hydraulic motor and open ends of tube assemblies to keep the hydraulic
system free of contaminants.
(5)
Plug open ends of four tube assemblies (23, 27, 30, and 34).
(6)
Disconnect reducer (28) from tee (24). Remove and discard O-ring (37) from tee (24).
(7)
Disconnect tee (24) from elbow (25) on hydraulic motor (32). Remove and discard O-ring (38)
from elbow (25).
NOTE
Remove three elbows from hydraulic motor prior to removing hydraulic motor from ECU.
Otherwise, a vise will be required to hold hydraulic motor.
(8)
Remove elbow (25) from hydraulic motor (32). Remove and discard O-ring (39) from elbow (25).
Plug open port on hydraulic motor (32).
(9)
Remove elbow (31) from hydraulic motor (32). Remove and discard O-ring (40) from elbow (31).
Plug open port on hydraulic motor (32).
(10) Remove elbow (35) from hydraulic motor (32). Remove and discard O-ring (41) from elbow (35).
Plug open port on hydraulic motor (32).
