TM 10-5410-221-14/1
power harness assembly (3, FO-3) (located in back of
manual) consists of six connectors and fourteen
assemble the light wiring harness as follows:
electrical leads to provide interconnection between the
(1) Install insulation sleeving (4, fig. 6-16) over
power distribution box and water system heaters, sump
wires (7) and push back to expose connection end.
pump and air lock light receptacle located in the water
Solder wires (7) to connector (6) according to
box and water tunnel areas.
Specification MILS-6872 using Sn60 solder that
b. Removal.
conforms to Specification QQ-S-571. Slide insulation
(1) Jack up the expandable shelter to gain access
sleeving (4) over soldered connection points.
to the electrical cable raceway under the shelter and
(2) Install terminals (1 and 2) on wires and crimp
remove the raceway access panels (fig.6-4).
to secure.
(2) Remove clamps used to secure harness to
(3) Install identification strap (3) around wires (7).
electrical raceway.
(3) Remove electrical leads of wiring harness
or other continuity checking device to check continuity of
assembly from terminals circuit breakers. Remove
wiring.
Continuity must exist between fittings on
electrical leads from terminals of terminal boards as
individual wires. Continuity must not exist between
connector pins or between connector pins and connector
(4) Remove nuts, washers and screws securing
shell. Replace wire or connector if continuity does not
connectors to water box assembly and remove harness
exist between wire ends.
f. Repair. If possible, straighten any bent connector
from shelter (FO-3) (located in back of manual).
c. Disassembly. Disassemble wiring harness as
pins. Inspect wires for abrasions and cuts of insulation.
required for replacement of damaged parts by removing
Minor cuts and abrasions are acceptable and may be
terminals (1 and 2, fig. 6-17) from electrical leads.
repaired by wrapping with vinyl tape. Replace harness
d. Assembly. Assemble wiring harness using figure 6-
assembly if individual wires are cut or otherwise
17 as a guide and by installing terminals (1 and 2) and
damaged. Inspect connector for conductive debris or
crimping to secure.
wires between connector pins which may cause a short
and remove if required.
or other continuity checking device to check continuity of
NOTE
wiring. Continuity must exist between end fittings on
Cuts or abrasions of harness assemblies
individual wires. Continuity must not exist between
may be due to sharp edges of electrical
connector pins or between connector pins and connector
raceways,
with
other
shell. If test indicates a defective connector or wires,
components or improper handling. The
replace harness.
cause shall be determined and eliminated
f. Installation. Install wiring harness assembly as
before installation of the harness
follows:
assemblies.
(1) Install nuts, washers and screws to secure
connectors to water box assembly and install harness to
g. Installation. Install the surgical light harness
shelter (FO-3) (Located in back of manual).
assemblies as follows:
(2) Install electrical leads to terminals of terminal
(1) Install the harness assemblies (15, 16 and 17,
boards as necessary using figure 6-17 as a guide. Install
FO-3) (located in back of manual) to the electrical wiring
electrical leads of wiring harness assembly to terminals
raceways.
circuit breakers.
(3) Install clamps to secure harness to electrical
appropriate terminal boards and switches in power
raceway.
distribution box.
(4) Jack up the expandable shelter to gain access
(3) Install nut (5), washer (6) and screw (7) and
to the electrical cable raceway under the shelter and
install harness (8) to receptacle box.
(4) Install screw (3) and bracket (4) to receptacle
box.
(5) Install screw (1, fig.
6-13. Water Box Heater Harness Assembly
receptacle box covers (2) to receptacle boxes.
a. General. The water heater harness assembly (5,
FO-3) (located in back of manual) consists of
6-12. Underfloor Heaters and Water System Power
Harness Assembly
a. General. The underfloor heaters and water system
6-24