TM 9-2330-271-14&P
4-19
Receptacles.
4-21.
Reflector
a.
General.
a.
Reflector Removal.
(1) The XM654 semitrailer is equipped with 2
(1) Remove two screws securing reflector to
duplex receptacles and 43 twistlock receptacles.
body.
(2) The XM680 semitrailer is equipped with two
(2) Remove reflector.
b. Reflector Installation.
duplex receptacles. The XM680E1 semitrailer has four
duplex receptacles.
(1) Apply sealant In and around mounting holes
(3) On the SM822 semitrailer, eight dual
in van body.
receptacles are located in the interior of the van:
(2) Position reflector on body and aline
four in the laboratory compartment and two each in the
mounting holes.
rear and utility compartments.
(3) Secure with two screws.
(4) A telephone inlet jack is located on the left
wall toward the rear of the laboratory compartment.
4-22.
Marker Clearance Light
b. Removal of Receptacle.
(1) Remove screw securing cover plate to
a.
General.
receptacle and remove plate.
(1) All semitrailers except XM680 and
(2) Remove screws securing receptacle to
XM680E1 are equipped with four amber service and five
junction box.
red service clearance lights.
(3) Detach wires and remove receptacle.
(2) The XM680 and XM680E1 semitrailers are
c. Installation of Receptacle.
equipped with two amber service and two red service
(1) Attach wires to receptacle.
clearance lights.
(2) Position receptacle in junction box and
(3) All semitrailers except XM822, XM844,
secure with screws.
XM845, XM912, and XM913 are equipped with two
(3) Position cover plate on receptacle and
amber blackout and two red blackout clearance lights.
secure with screws.
b. Removal (fig. 7).
(1) Remove two screws (2) securing body (3)
4-20.
Circuit Breaker, XM654, XM822
to plate (7) and remove body.
(2) Remove four screws (10) and washers (9)
a.
Removal.
securing marker clearance light to semitrailer.
(1) Disconnect power source from semitrailer.
(3) Disconnect connector shell on clearance
(2) Remove screws attaching cover plate to
light cable.
c. Cleaning, Inspection, and Repair (fig. 7).
distribution box.
(3) Remove wires from terminals.
(1) Clean all parts, except rubber items or
(4) Remove screw securing circuit breaker to
gaskets, with approved cleaning solvent (paragraph
contact bar.
33b).
(5) Remove circuit breaker by pulling outward
(2) Inspect door for cracks, warpage, cracked
and away from center strip.
or broken lens, or evidence of leakage around gasket.
b. Testing.
(3) Replace a defective lens by removing two
(1) Connect two terminals of circuit breaker to
nuts (5) from studs on body (3) which secure lens in
a fused variable current source of 60 hz, single phase,
body. Install new lens (4) or (11) and secure with two
alternating current.
nuts (5).
(2) Increase current to 5 percent above rating
(4) Check socket to make sure all parts are in
shown in white on front of circuit breaker. The breaker
good condition and will make good electrical and
should open the circuit in not less than 2 minutes nor
watertight connections.
more than 5 minutes.
(5) Replace light if internal parts are defective.
(3) Replace a defective circuit breaker.
(6) Sandpaper scratches, and paint, if required.
c. Installation.
d. Installation (fig. 7).
(1) Insert breaker in panel by pushing inward
(1) Attach connector on clearance light to the
and against center strip.
semitrailer cable assembly, making certain that matching
(2) Attach circuit breaker terminal to contact
cables (identified by numbered markers) are joined.
bar with screw.
(3) Connect wires to circuit breaker terminals.
(4) Position cover on box and secure with
attaching hardware.
4-32
