TM 10-8145-222-23
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Figure 1. Control Panel Toggle Switches.
REPAIR CONTINUED
Replace Toggle Switches
NOTE
There are three toggle switches on the control panel assembly FUEL LEVEL
INDICATOR toggle switch S5, LIGHTING toggle switch S3, and ALARM toggle
switch S6. This procedure is applicable to the replacement of any of these switches.
1. Remove top two screws (Figure 1, Item 1) and bottom two nuts (Figure 1, Item 2) securing control panel cover
(Figure 1, Item 3).
2. Carefully pull control panel cover (Figure 1, Item 3) out and away from control panel assembly to access wiring
(Figure 1, Item 4).
3. Tag and disconnect wiring (Figure 1, Item 4) from switch (Figure 1, Item 5).
4. Remove nut (Figure 1, Item 6) and washer (Figure 1, Item 7) securing switch (Figure 1, Item 5) to control panel
cover (Figure 1, Item 3).
5. Remove switch (Figure 1, Item 5) from control panel cover (Figure 1, Item 3).
6. Install replacement switch (Figure 1, Item 5) into control panel cover (Figure 1, Item 3) and secure to control
panel cover with washer (Figure 1, Item 7) and nut (Figure 1, Item 6).
7. Reconnect wiring (Figure 1, Item 4) to switch (Figure 1, Item 5) as tagged. Remove tags.
8. Install control panel cover (Figure 1, Item 3) onto control panel and secure top with two screws (Figure 1,
Item 1) and bottom with two nuts (Figure 1, Item 2).
9. Reconnect battery negative (-) terminal (WP 0053, Reconnect).
10. Start refrigeration unit (TM 10-8415-222-10, Operating Procedures).
11. Operate refrigeration unit in accordance with normal operating procedures to verify proper operation after
replacement of toggle switches (TM 10-8415-222-10, Operating Procedures).
12. Close and secure control panel assembly access door (Figure 1, Item 8).
13. Place MTRCS back into desired mode of operation (TM 10-8415-222-10, Operating Procedures).
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