TM 10-8145-222-23
0075
REPAIR CONTINUED
4. Install electrical box cover (Figure 1, Item 3) and secure using four screws (Figure 1, Item 1), and washers
(Figure 1, Item 2).
5. Reconnect battery negative (-) terminal (WP 0053, Reconnect).
6. Operate refrigeration unit in accordance with normal operating procedures to verify proper operation after
replacement of Voltage Monitor Relay.
7. Place MTRCS back into desired mode of operation (TM 10-8415-222-10, Operating Procedures).
Replace Contactor
1. Perform Preparation procedure per this WP.
2. Tag and disconnect wiring (Figure 2, Item 6) to contactor (Figure 2, Item 7).
3. Remove four lock nuts (Figure 2, Item 8) and four washers (Figure 2, Item 9) securing contactor (Figure 2, Item
7) and mount plate (Figure 2, Item 10) to electrical box (Figure 2, Item 11).
4. Remove contactor (Figure 2, Item 7) and mount plate (Figure 2, Item 10).
5. Remove two lock nuts (Figure 2, Item 14) and washers (Figure 2, Item 13) securing contactor (Figure 2, Item 7)
to studs (Figure 2, Item 12) on mount plate (Figure 2, Item 10). Discard lock nuts.
6. Remove contactor (Figure 2, Item 7).
7. Install replacement contactor (Figure 2, Item 7) onto mount plate (Figure 2, Item 10) and secure to studs (Figure
2, Item 12) using two new lock nuts (Figure 2, Item 14), and washers (Figure 2, Item 13).
8. Reconnect electrical wiring (Figure 2, Item 6) to contactor (Figure 2, Item 7) as tagged.
9. Install contactor (Figure 2, Item 7) and mount plate (Figure 2, Item 10) into electrical box (Figure 2, Item 11) and
secure using four washers (Figure 2, Item 9) and four lock nuts (Figure 2, Item 8).
10. Remove tags from wiring (Figure 2, Item 6).
11. Install electrical box cover (Figure 2, Item 3) and secure using four screws (Figure 2, Item 1) and washers
(Figure 2, Item 2).
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