TM 9-2330-271-14&P
e.
Inspection.
(2) Position plate (7) and preformed felt (8) on
semitrailer, and secure with four screws (10) and
(1) Inspect for cracked or warped door,
washers (9).
cracked or broken lenses or evidence of leakage around
(3) Test operation of light by turning on switch
lens gaskets. Replace preformed packing if necessary.
in towing vehicle.
NOTE
(4) Install body (paragraph 3-9b).
It is not practical to replace lenses or
lens gaskets m door since these are
4-23. Stoplight, Traillight Assembly, XM574,
clinched in place to make a watertight
XM574E1, XM654, XM680, XM680E1, XM738, XM739,
seal.
XM739E1, XM822 (Serial No. S2669), XM823, XM824
(2) Inspect body for cracks or evidence of
leakage. Replace light assembly if body is damaged.
a.
General.
(3) Check sockets and wiring assembly to
(1) The XM574, XM574E1, XM654, XM680,
make sure grommets, eyelets, sockets, cables, and
XM680E1, XM738, XM739, XM739E1, XM822 (serial no.
connectors are in good condition and will make good
S2669), XM823, and XM824 semitrailers are equipped
electrical and watertight connections when installed.
with two service taillight assemblies, which are mounted
(4) Check body grommet at rear of socket and
at the rear in each side of the frame.
wiring assembly to make sure cables are cemented
(2) Each taillight assembly is used as a turn
securely to grommet and grommet will make watertight
signal indicator in both service and blackout modes of
seal in body when installed.
operation. A blackout stoplight is mounted at the right
(5) Replace socket and wiring assembly if the
rear in the chassis frame.
component parts of the assembly are defective.
b. Removal (fig. 9).
f.
Assembly (fig. 9).
(1) Disconnect
three
taillight
assembly
(1) Thread cables through grommet plate with
connectors from chassis harness connectors at right and
the lip of the plate up and towards the baffle plate.
left rear of trailer.
Thread cables through small bossed holes in rubber
(2) Remove two screws (13) and lock washers
grommets.
(14) which secure taillight to mounting bracket and
(2) Work grommet on cables until a minimum
remove taillight.
of 6 inches of the cables extend through rear of
NOTE
grommet. Force grommet through the large hole in rear
To install stoplight-taillight PN
of body (2).
(3) Aline three holes of grommet triangular
11614157, use composite light kit
flange with tapped holes of body.
11646355.
(4) Aline three holes in grommet retaining plate
c. Disassembly (fig. 9).
and secure with three screws.
(1) Loosen captive screws securing door (6) to
(5) Work baffle, socket, and wiring assembly
body (2) and remove door.
into position in body and aline holes of lugs with two
(2) Remove two screws (8) and lock washers
holes on bosses of body and secure with two screws (8)
(9) attaching socket and wiring assembly (3) to body (2).
and lock washers (9).
(3) Remove three screws attaching metal
g. Installation (fig. 9).
grommet plate and rubber grommet to the body.
(1) Thread cable of stoplight taillight assembly
Remove whole assembly from body by pulling cable
through hole in mounting bracket.
through hole in body.
(2) Attach taillight to mounting bracket with two
d. Cleaning.
screws (13) and lock washers (14).
(1) Clean exterior of body and door with
(3) Connect the matching cables.
approved cleaning solvent (paragraph 3-3b).
(4) Test operation of light (paragraph 3-11b(1)).
(2) If necessary to clean interior of body and
(5) Position door assembly (6) with preformed
socket assembly, use clean water and soap solution. Do
packing (5) on body (2) and secure with captive screws.
not use cleaning solvent on interior of body.
(3) Dry all parts thoroughly.
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