TM 9-4120-408-14
4-23. THERMOSTAT MAINTENANCE. (Continued)
Figure 4-17. Thermostat Maintenance
(7) Remove two screws (15) and tag and disconnect two electrical leads (16).
(8) Remove two screws (17), lock washers (18), flat washers (19), and thermostat (12) from thermostat bracket (13).
Discard lock washers (18).
NOTE
Prior to performing test, position thermostat with handle down.
b. Test. Rotate handle of thermostat (12) fully counterclockwise. Test continuity between upper and lower contacts.
Replace faulty thermostat (12).
4-37
