TM 10-5410-221-24
1
Terminal (4)
5
Terminal (3)
9 Identification strap
2
Terminal (3)
6
Terminal (19)
10 Tie strap
3
Terminal (7)
7
Terminal (3)
4
Terminal (4)
8
Terminal (3)
Figure 6-24--Continued
6-27.
Water Line Heater Harness Assembly
(1) Place insulation sleeving (4, 5) over wires (7, 8) and
slide back to expose solder connections.
a. General.
The water line heater harness
(2) Solder wires (7, 8) to connector (6 in
assembly consists of a relay K2 and 7 electrical leads to
accordance with Specification MIL-S-6872 using Sn60
provide interconnection between the power distribution
solder which conforms to Specification QQ-S-571. Refer
box and the water line heater power harness.
to figure 6-26 for terminal identification.
(3) Replace identification strap (3).
b. Removal. Remove water line heater harness
(4) Install terminals (1, 2) and crimp to
(23, fig. 6-22) according to sequence of index numbers
secure.
assigned to figure 6-22 and observing the following.
(1) Open circuit breaker panel cover.
e. Test. Use a continuity light, multimeter or other
(2) Remove circuit breaker panel per
continuity checking device to check continuity of wiring
paragraph 6-23, b(2).
(3) Remove terminal board cover (42) and
individual wires. Continuity must not exist between
remove nut (46), lockwasher (47) and washer (48) from
connector pins or between connector pins and connector
terminals 7 through 10 on TB5 terminal board (45).
shell. Replace defective components as required, if
Remove the electrical leads.
indicated by continuity test
(4) Remove screws (17) and disconnect
electrical leads from CB16 circuit breaker.
f.
Repair.
If possible, straighten any bent
(5) Remove nut (20), washer (21) and screw
connector pins. Inspect wires for abrasions and cuts of
(22) used to secure relay K2 to mounting bracket.
insulation. Minor cuts and abrasions are acceptable and
Remove harness (23) from distribution box.
may be repaired by wrapping with vinyl tape. Replace
individual wires if cut or otherwise damaged.
c. Test. Use a continuity light, multimeter or other
continuity checking device to check continuity of wiring
g. Installation.
Install the X-ray harness in
reverse order of removal using figure 6-22 as a guide
individual wires. Refer to chapter 5, section VI for
and figures 1-7 and table 6-2 for terminal identification
additional testing.
Replace harness assembly if
and observing the following.
continuity does not exist or K2 relay is defective.
(1) Position harness assembly (11, fig. 6-22)
in distribution box and install electrical leads in
d. Repair. Inspect wires for abrasions and cuts of
accordance with wiring chart, table 6-2.
insulation. Minor cuts and abrasions are acceptable and
(2) Replace washers (31), lockwasher (30)
may be repaired by wrapping with vinyl tape. Replace
and nut (29) on terminal 5 of TB4 terminal board (28).
harness assembly if individual wires are cut or otherwise
Replace terminal board cover (25).
damaged or K2 relay is damaged or defective.
(3) Position J7 connector (11) in mounting
hole and secure with screw (9), washer (8) and nut (7).
e. Installation.
Install the water line heater
(4) Position circuit breaker panel (123) on
harness assembly (23, fig. 6-22) in reverse order of
distribution box (124) and secure.
6-49
