TM 9-2320-209-34-2-3 FRAME 6 1. Heat thermostat (1) to 75°F. 2. Using ohmmeter, check continuity through thermostat (1). Put one ohmmeter lead on terminal (2) and the 3. If circuit is closed, get new open, do step 4. other ohmmeter lead on terminal (3). thermostat (1) and go to frame 6. If circuit is CAUTION Do not put thermostat (1) in any type of liquid to cool it. Thermostat may be damaged. 4. Cool thermostat (1) to 20°F. 5. Do step 2 again. 6. If circuit is open, get new thermostat (1). GO TO FRAME 7 21-43