TM 5-4520-253-13
R E M O V E / l N S T A L L P O W E R , F U E L P U M P , A N D R O O M T H E R M O S T AT
PLUGS (CONT)
7. Unsolder wires or, if plug is to be discarded, cut
of grommet (9), ferrule (8), O-ring (7), coupling
wires will also be pulled through bushing (1 1).
INSTALLATION:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
wires close to pin contacts (10). Slide wires out
nut (6), and endbell (4). If removing power plug,
Death or serious injury could occur if precautions are not
taken when maintaining this equipment. Remove power
cable plug from POWER RECEPTACLE. Always have
another person standing by who is trained in electric shock
first aid.
If installing power plug, be sure power cable is disconnected from power source.
Refer to table 3-7 and select correct cable for plug being installed.
If power plug is being installed, insert cable through bushing (11), endbell (4), coupling nut (6),
and ferrule (8).
Install O-ring (7) on barrel (5) against boss (12).
Strip cable insulation far enough to allow individual wires to project through grommet (9) and be
soldered to pin contacts (10). If installing room thermostat plug, solder small ground wire to
cable shield. Insert wires at tapered end of grommet where number appears.
Remove 1/4 inch of insulation from individual wires (refer to table 3-7), and solder wires to
correct pins.
Position grommet (9) with holes over pin contacts (10).
Slide ferrule (8) over grommet (9). Slide key (13) of ferrule into slot (14) of barrel (5).
Connect endbell (4) to barrel (5) by rotating endbell clockwise. Tighten firmly.
Push insulated portion of cable as far into endbell (4) as it will go and secure with clamps (3),
screws (1), and lock washers (2).
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