TM 9-4120-411-14
(11) Remove locking nut (15) then pull cable (16) with strain relief fitting (17) out. Install locking nut to retain
sealing washer (18).
(12) Loosen compression nut (19) then slide strain relief fitting (17) off cable (16). Pull cable through lanyard
(20) then slide strain relief fitting onto cable far enough to leave one inch of the cable extending from the
strain relief fitting and tighten compression nut.
(13) Locate the three cables (21) inside compressor (22) that go to low pressure cutout switch (23) (S2), high
pressure cutout switch (24) (S3), and (FDECU-2 ONLY) crankcase temperature sensor (25) (RT4). Tag the
leads at these connection points then cut off and discard six crimp nuts (26) to disconnect leads. Pull all
three cables out of compressor. Cut and discard 10 large tiedown straps (27) securing cables.
(14) Locate the two cables (28) that go to cover switch (29) (S1) and outdoor temperature sensor (30) (RT5).
Tag the leads at these connection points then cut off and discard four splices (31) to disconnect leads. Cut
and discard two large tiedown straps (32) and two small tiedown straps (33) securing cables.
(15) Locate the cable (34) that goes to indoor temperature sensor (35) (RT2) located on volute assembly (12).
Tag the leads at this connection point then cut off and discard two splices (36) to disconnect leads. Cut and
discard six large tiedown straps (37) securing cable.
(16) Locate the cable (38) that goes to outside coil temperature sensor (39) (RT3). Tag the leads at this
connection point then cut off and discard two splices (40) to disconnect leads. Cut and discard two large
tiedown straps (41) and three small tiedown straps (42) securing cable.
(17) Locate the four wire leads (43) that go to NBC blower outlets (44) 01, J2, and J3) then cut and discard the
three large tiedown straps (45) securing them inside power box assembly (46). Tag the wire leads then
disconnect and pull them from power box assembly. Pull terminal grommets (47) back onto wire leads of
the three NBC blower outlets to expose solder connections. Tag wire leads and unsolder per paragraph
4.16. Remove terminal grommets from wire leads and install back onto NBC blower outlets. Retain wire
leads for use during installation.
(18) Cut and discard small tiedown strap (48) securing 10 blue wire leads (49) to control box assembly (50).
Tag each of these wire leads inside the power box assembly (46). Disconnect each of these wire leads
from the circuit board (51) then pull them into the power box assembly.
(19) Tag eight orange wire leads (52) inside the power box assembly (46). Disconnect each of these wire leads
from the circuit board (51) then pull them into the power box assembly.
(20) Remove three grommets (53).
(21) Support control box assembly (50) them remove 11 nuts (54), lock washers (55), flat washers (56), screws
(57), lock washers (58), flat washers (59), and control box assembly. Discard lock washers.
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