TM 10-6640-215-13 Table 3-2.  Troubleshooting - continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 27. ELECTRIC STILL DOES NOT OPERATE. Step 1. Check to see that the still is plugged into convenience outlet, utility outlet no.  5. Step 2. Check and reset circuit breaker AlCB16 located in MAIN POWER PANEL. If still remains inoperative, notify unit maintenance. 28. GUM BATH FAILS TO OPERATE PROPERLY (PYROMETER DOES NOT INDICATE). Step 1. Check operation of INT and AUX switches. Place both switches ON. Step 2. Check and reset circuit breaker A1CB18 located in MAIN POWER PANEL. If gum bath still does not operate properly, notify unit maintenance. 29. HIGH PRESSURE BOILER FAILS TO RAISE THE STEAM SUPPLIED BY THE LOW PRESSURE BOILER TO THE DESIRED TEMPERATURE (VALVE LINEUP IS CORRECT AN LOW PRESSURE BOILER IS OPERATING). Step 1. Check position of gum bath AUX switch. Place switch ON. Step 2. Check and reset circuit breaker A1CB19 located in MAIN POWER PANEL. Step 3. Check position of high pressure boiler thermostat control. If boiler still fails to operate properly, notify unit maintenance. 30. LOW PRESSURE BOILER FAILS TO PROVIDE STEAM TO HIGH PRESSURE BOILER. Step 1. Check boiler ON/OFF switch in ON position. Step 2. Check valve line up. Open water feed valve, and close boiler drain valve. Step 3. Check and reset circuit breaker A15CB5. If low pressure boiler still fails to operate, notify unit maintenance. 3-10