TM 5-4520-253-13
lNSPECT/REMOVE/lNSTALL POWER RECEPTACLE AND EXTERNAL FUEL PUMP
RECEPTACLE (CONT)
b. For Model UH-68G1, unscrew endbell (4.1)
from POWER RECEPTACLE (4) and slide it
back over the wires (5, 6, and 7). Pull back fer-
rule (4.2) and grommet (4.3) to expose soldered
ends of the wires.
c. Tag black and white wires (5 and 6) and ground
(green) wire (7). Cut wires as close to POWER
RECEPTACLE as possible.
2. Remove EXTERNAL FUEL PUMP RECEPTACLE
as follows:
a. Remove four screws (8), lock washers (9), and
nuts (10). Pull EXTERNAL FUEL PUMP
RECEPTACLE (11) out of mounting hole from
inside heater case.
b. For Model UH-68G1, unscrew endbell (11.1)
from EXTERNAL FUEL PUMP RECEPTACLE
(11) and slide it back over the wires (12, 13,
and 14). Pull back ferrule (11.2) and grommet
(11.3) to expose soldered ends of the wires.
c. Tag green and blue wires (12 and 13) and
ground (green) wire (14). Cut wires as close to
EXTERNAL FUEL PUMP RECEPTACLE as
possible.
INSTALLATION:
1. Prepare EXTERNAL FUEL PUMP RECEPTACLE
(11 ) as follows:
a. Strip 1/4 inch (6.35 mm) of insulation from cut
ends of green and blue wires (12 and 13) and
ground (green) wire (14).
b. For Model UH-68G1, thread wires (12, 13, and
14) through end bell (1 1.1) and ferrule (1 1.2).
Thread the stripped end of each wire through
grommet (11 .3) as follows:
(1) Slide blue wire (13) through grommet (11.3) opening A.
(2) Slide green wire (12) and ground (green) wire (14) through opening B.
c. Solder wires (12, 13, and 14) to receptacle terminals as follows:
(1) Green wire (12) to terminal B.
(2) Blue wire (13) to terminal A.
(3) Ground (green) wire (14) to terminal B.
d. For Model UH-68G, pot wires as described in step 3, following.
MODEL UH-68G1
e. For Model UH-68G1, push grommet (11.3) into rear of receptacle (11), seat ferrule (11.2) over grommet,
and tighten endbell (11.1) to threads on rear of receptacle.
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