TM 9-4120-411-14
(21) Remove locking nut (46) then pull cable (47) with strain relief fitting (48) out of compressor. Install locking
nut to retain sealing washer (49).
(22) Locate the two cables inside the compressor that go to reversing valve (50) (L1) and (FDECU-2 ONLY)
crankcase heater (51) (HR1). Tag the leads at these connection points then cut off and discard five crimp
nuts (52) to disconnect leads. Locate the cable that went to the compressor high temperature cutout (42)
(S6) then pull these three cables out of the compressor.
(23) Locate the three cables (5 3) inside compressor (54) that go to low pressure cutout switch (55) (S2), high
pressure cutout switch (56) (S3), and (FDECU-2 ONLY) crankcase temperature sensor (57) (RT4). Tag the
leads at these connection points then cut off and discard six crimp nuts (58) to disconnect leads. Pull all
three cables out of compressor. Cut and discard 10 large tiedown straps (59) securing cables.
(24) Locate the two cables (60) that go to cover switch (61) (S1) and outdoor temperature sensor (62) (RT5).
Tag the leads at these connection points then cut off and discard four splices (63) to disconnect leads. Cut
and discard two large tiedown straps (64) and two small tiedown straps (65) securing cables.
(25) Locate the cable (66) that goes to indoor temperature sensor (67) (RT2) located on volute assembly (68).
Tag the leads at this connection point then cut off and discard two splices (69) to disconnect leads. Cut and
discard six large tiedown straps (70) securing cable.
(26) Locate the cable (71) that goes to outside coil temperature sensor (72) (RT3). Tag the leads at this
connection point then cut off and discard two splices (73) to disconnect leads. Cut and discard two large
tiedown straps (74) and three small tiedown straps (75) securing cable.
(27) Remove screw (76), lock washer (77), and flat washer (78) to disconnect power box assembly ground strap
(79) from frame. Discard lock washer.
(28) Support electrical assembly (80) then remove 11 screws (81), lock washers (82), flat washers (83), and
electrical assembly. Discard lock washers.
(1) Pull bracket (84) out from electrical assembly (80) then carefully place electrical assembly bracket in unit
and align mounting holes. Support electrical assembly then install 11 flat washers (83), new lock washers
(82), and screws (81) to secure.
(2) Connect power box assembly ground strap (79) to frame with flat washer (78), new lock washer (77), and
screw (76).
(3) Locate the cable (71) that goes to outside coil temperature sensor (72) (RT3). Connect wire leads with two
using two large tiedown straps (74) and three small tiedown straps (75). Cut to remove excess tiedown
strap material.
(4) Locate the cable (66) that goes to indoor temperature sensor (67) (RT2) located on volute assembly (68).
Remove tags. Secure cable using six large tiedown straps (70). Cut to remove excess tiedown strap
material.
(5) Locate the two cables (60) that go to cover switch (61) (S1) and outdoor temperature sensor (62) (RT5).
Remove tags. Secure cables using two large tiedown straps (64) and two small tiedown straps (65). Cut to
remove excess tiedown strap material.
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