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 TM 9-4120-425-14&P
UNIT WIRING UNIT MAINTENANCE - Continued
0038-00
TEST
1.
Test for continuity on wiring.
2.
Touch the test probes of a multimeter set on low-resistance range to ends of wire and/or corresponding pin of
connector.
3.
If continuity is not indicated, repair or replace wire or damaged connector.
REMOVAL
1.
Tag all wire leads prior to removal.
2.
Refer to WP 0033-00 for connectors J2, J3, and J4 removal and WP 0043-00 for connector J1 removal.
3.
Disconnect all terminals.
4.
Carefully remove connectors from unit.
REPAIR
1.
Remove the insulation to expose 1/2 inch (1.27 centimeters) of bare wire on each side of break or damaged
insulation.
2.
Insert the ends into a splice-connector, splice and crimp the connector to make firm electrical contact.
3.
Alternatively, heat-shrink tubing may be slipped over one end of the wire before splicing, then heated after the
splice is made and soldered, so as to cover the spliced area.
4.
Be sure that no bare wire is exposed after splice is complete.
5.
Replace broken terminal lugs with exact duplicates.
6.
Check continuity terminal-to-terminal.
INSTALLATION
1.
Transfer tags to new wires.
2.
Install connectors (J1, J2, J3 and J4). Refer to WP 0033-00 and WP 0043-00.
3.
Connect all terminals and remove tags. Use schematic diagram (WP 0122-00).
4.
Install circuit breaker. See WP 0033-00.
5.
Install control module. See WP 0034-00.
6.
Install junction box. See WP 0035-00.
END OF TASK
0038-00-2
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