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 TM 9-4120-425-14&P
TERMINAL BOARDS TB1 AND TB5 UNIT MAINTENANCE - Continued
0037-00
WARNING
Disconnect air conditioner power supply.
INSPECTION
1.
Inspect all installed wiring for cracked or frayed insulation. Pay particular attention to wires routed around sharp
edges.
2.
Repair or replace bad wiring.
3.
Inspect terminal boars TB1 and TB5 for damage or poor connections.
4.
Replace damaged terminal boards.
REMOVAL
1.
Tag and disconnect all wires connected to terminal board TB1 (5), and terminal board TB5 (11).
2.
Remove four screws (1 and 7), four flat washers (4), four lock washers (3), and four nuts (2) to release terminal
board TB1 (5) and two marker strips (6).
3.
Remove four screws (8 and 10), four flat washers (4), four lock washers (3), four nuts (2), to release two marker
strips (9), and terminal board TB5 (11).
INSTALLATION
1.
Install terminal board TB1 (5), and two marker strips (6), with four flat washers (4), four lock washers (3), and four
screws (1 and 7).
2.
Install terminal board TB5 (11), and two marker strips (9) with four nuts (2), four lockwashers (3), four flat washers
(4), and four screws (8 and 10).
3.
Refer to wire tags installed during removal and reconnect all wires to terminal boards TB1 (5), TB5 (11) and
remove tags.
4.
Install control module and junction box (WP 0034-00 and WP 0035-00).
5.
Install top covers (see WP 0019-00).
6.
Reconnect air conditioner to power source.
0037-00-2
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