TM 10-8145-222-23
0078
REPAIR - CONTINUED
Hybrid Standby Panel Relay Replace (Overload Protector OL)
1. Disconnect the battery terminals.
2. Remove pin and swing temperature chart recorder out of the way of the microprocessor controller on the left
side of the MTRCS.
3. Remove two bolts and open microprocessor control panel on left side of refrigeration unit.
4. Locate overload protector (Figure 14, Item 1).
5. Record the current settings and dial positions on the face of the device.
6. Tag and remove 2 ground wires (Figure 14, Item 2) on stud on right side of device mounting plate.
7. Tag and remove 12 remaining wires (Figure 14, Item 3) (six are on the top and six are on the bottom of the
device).
8. Remove 3 nuts (Figure 14, Item 4) from the metallic mounting plate on the back of the device.
9. Remove the overload protector (Figure 14, Item 1).
10. Match the settings of the new device to the removed device.
11. Mount the new overload protector (Figure 14, Item 1) using the 3 nuts (Figure 14, Item 4) previously removed.
12. Secure the two ground wires (Figure 14, Item 2) to the stud on the mounting plate using the nut and washer
previously removed.
13. Reinstall the 12 wires (Figure 14, Item 3) on the top and bottom of the device.
14. Reconnect the battery terminals.
15. Replace two bolts and close microprocessor control panel on left side of refrigeration unit.
16. Swing temperature chart recorder back into place and re-pin.
17. Start the refrigeration unit and confirm proper operation of the unit per TM 10-8415-222-10.
0078-23
