TM 10-8145-222-23
0082
REPAIR CONTINUED
Replace Indicator Lights
NOTE
There are four indicator lights on the Control Panel Assembly FUEL LEVEL GOOD
DS3, FUEL LEVEL LOW DS4, COMPARTMENT 1 TEMP ALARM OVER/UNDER
DS1, and COMPARTMENT 2 TEMP ALARM OVER/UNDER DS2. This procedure is
applicable to the replacement of each of these indicator lights.
1. Remove top two screws (Figure 3, Item 1) and bottom two nuts (Figure 3, Item 2) securing control panel cover
(Figure 3, Item 3).
2. Carefully pull control panel cover (Figure 3, Item 3) out and away from control panel to access wiring (Figure 3,
Item 4).
3. Unscrew light lens (Figure 3, Item 5) in counterclockwise direction from indicator light assembly (Figure 3, Item
6) and remove light lens (Figure 3, Item 5) and gasket. Inspect gasket for any nicks or cuts and replace light
lens and gasket if necessary.
4. Remove incandescent lamp (Figure 3, Item 7) from indicator light assembly (Figure 3, Item 6).
5. Tag and disconnect wiring (Figure 3, Item 4) from indicator light assembly (Figure 3, Item 6) by desoldering
electrical leads from light assembly.
6. Loosen and remove nut (Figure 3, Item 8) securing indicator light assembly (Figure 3, Item 6) to control panel
cover (Figure 3, Item 3).
7. Remove indicator light assembly (Figure 3, Item 6).
8. Install replacement indicator light assembly (Figure 3, Item 6) into control panel cover (Figure 3, Item 3) and
secure with nut (Figure 3, Item 8).
9. Reconnect wiring (Figure 3, Item 4) to indicator light assembly (Figure 3, Item 6) by soldering as tagged.
Remove tags.
10. Install replacement incandescent lamp (Figure 3, Item 7) into indicator light assembly (Figure 3, Item 6).
11. Install light lens (Figure 3, Item 5) and gasket onto indicator light assembly (Figure 3, Item 6) by turning in
clockwise direction.
12. Install control panel cover (Figure 3, Item 3) onto control panel and secure top with two screws (Figure 3, Item
1) and bottom with two nuts (Figure 3, Item 2).
13. Reconnect battery negative (-) terminal (WP 0053, Reconnect).
14. Start refrigeration unit (TM 10-8415-222-10, Operating Procedures).
15. Operate refrigeration unit in accordance with normal operating procedures to verify proper operation after
replacement of indicator lights (TM 10-8415-222-10, Operating Procedures).
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