TM 9-4120-411-14
4.26 ELECTRICAL ASSEMBLY REPLACEMENT - CONTINUED.
(6) Insert the three cables (53) that go to low pressure cutout switch (55) (S2), high pressure cutout switch (56)
(S3), and (FDECU-2 ONLY) crankcase temperature switch (57) (RT4) into compressor (54). Connect wire
Secure cables using 10 large tiedown straps (59). Cut to re i move excess tiedown strap material.
(7) Insert the three cables that go to reversing valve (50) (L1), (FDECU-2 ONLY) crankcase heater (51) (HR1),
and compressor high temperature cutout (42) (S6). Connect wire leads from cables going to reversing
valve (L1) and (FDECU-2 ONLY) crankcase heater (HR1) with five crimp nuts (52) per paragraph 4.16
(8) Remove locking nut (46). With sealing washer (49) in place, install cable (47) with strain relief fitting (48)
into compressor and secure with locking nut.
(9) Install three wire leads onto compressor input po wer terminals using tags and wiring diagram figure 4-14.
Secure using three flat washers (45), new lock washers (44) and screws (43). Remove tags.
(10) Install two wire leads onto compressor high temperature cutout (42) (S6) using tags and wiring diagr am
(11) Place wire leads onto compressor ground stud using tags and wiring diagram figure 4-14. Secure using flat
washer (41), new lock washer (40) and nut (39). Remove tags.
(12) Remove locking nut (35). With sealing washer (38) in place, install cable (36) with strain relief fitting (37)
into inside blower motor cover (7) and secure with locking nut. Be sure gasket (85) is in place on cover.
(13) Connect the ground wire lead at the inside blower motor connections point using flat washer (34), lock
washer (33), and screw (32). Connect the remaining wire leads with three crimp nuts (31) per paragraph
(14) Install new cap (24) onto outside blower motor cable lead contacts (25) using wiring diagram figure 4-14.
(15) Install flat washer (30), ground lead (29), flat washer (28), new lock washer (27), and nut (26).
(16) Connect cap (24) with contacts (25) using tags and wiring diagram figure 4-14. Remove tag.
(17) Secure outside blower motor cable with three tiedown straps (23). Cut to remove excess tiedown strap
material.
(18) Loosen compression nuts (22) then slide strain relief fittings (20) off cables (19). Feed cables through
lanyard (15) then slide strain relief fittings onto cables far enough to leave one inch of the cables extending
from the strain relief fittings and tighten compression nuts.
(19) Remove locking nuts (18). With sealing washers (21) in place, install cables (19) with strain relief fittings
(20) into volute assembly (68) and secure with locking nut.
(20) Install two new caps (16) onto heater cable lead contacts (17) using tags and wiring diagram figure 4-14.
Remove tags.
(21) Loosen compression nut (14) then slide strain relief fitting (12) off cable (11). Feed cable through lanyard
(15) 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.
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