TM 10-5410-221-24
1
Terminal (8, 4 per assembly)
4
Sleeving (2, 1 per assembly)
7. Wire (AN8)
2
Strap, cable
5
Sleeving (6, 3 per assembly)
8
Strap, identification
6
Connector (2, J6 and J6)
Figure 6-25--Continued.
removal using figure 6-22 as a guide and figure 1-7 and
assembly (16) from the distribution box.
c. Test. Use a continuity light, multimeter
following.
(1) Position harness assembly (23, fig. 6-22)
or other continuity checking device to check continuity of
in distribution box and install electrical leads in
wiring (fig. 6-28). Continuity must exist between end
accordance with wiring chart, table 62.
fittings on individual wires. Refer to chapter 5, section VI
(2) Replace washers (48), lockwasher (47)
for additional testing. Replace harness assembly, if
and nuts (46) on terminals 7 through 1 on TB5 terminal
continuity does not exist or K1 relay is defective.
board (45). Replace terminal board cover (42).
(3) Position K2 water line heater assembly
d. Repair. Inspect wires for abrasions and cuts of
relay (23) on mounting bracket and secure with screw
insulation. Minor cuts and abrasions are acceptable and
(22), washer (21) and nut (20) (4) Position circuit breaker
may be repaired by wrapping with vinyl tape. Replace
panel (1231 on distribution box (124) and secure with
harness assembly if individual wires are cut or otherwise
screws.
damaged or K1 relay is damaged or defective.
6-28.
Humidifier Harness Assembly
e. Installation.
Install the humidifier harness
assembly (16, fig. 6-22) in reverse order of removal
a. General. The humidifier harness assembly
using figure 6-22 as a guide and figure 1-7 and table 6-2
consists of an electrical connector and relay (K1) and ten
for terminal identification and observing the following.
electrical leads to provide for interconnection of the
(1) Position harness assembly (16, fig. 6-22)
humidifier component and the electrical system.
in distribution box and install electrical leads in
accordance with wiring chart, table 6-2.
b. Removal. Remove humidifier harness (16, fig.
(2) Replace washers (48) lockwashers (47)
and nuts (46) on terminals 3 through 6 on TB5 terminal
board (45), and terminal 2 on TB3 terminal board (38).
to figure 6-22 and observing the following.
Replace terminal board cover (42) on TB5 terminal board
(1) Open circuit breaker panel cover (2)
(45) and terminal board cover (35) on TB3 termi-
Remove circuit breaker panel per paragraph 6-23, b(2).
nal board (38).
(3) Remove terminal board cover (42) and
(3) Position K1 relay (24) on mounting
remove nut (46), lockwasher (47) and washer (48) from
bracket and secure with screw (22), washer (21) and nut
terminals 3 through 6 or TB5 terminal board (45).
(20).
Remove the electrical leads. Remove electrical lead
(4) Position circuit breaker panel (123) on
from terminal 2 on TB3 terminal board (38).
distribution box (124) and secure.
(4) Remove screws (17) and disconnect
electrical leads from CB10 circuit breaker.
(5) Remove nut (20), washer (21) and screw
6-29.
Remote
Temperature
Sensing
Harness
(22) used to secure relay K1 (24) to mounting bracket.
Assembly
(6) Remove nut (12), washer (13) and screw
(14) used to secure J36 humidifier harness (16)
a. General. The remote temperature sensing
(humidistat receptacle) to distribution box. Remove
harness consists of a connector and 3 electrical leads to
receptacle cover (15).
provide interconnection between the
(7) Remove the J36 humidifier harness
6-51
