Advantage Temperature Controller SRG-1635

Disengage operations and ensure all system pressure is relieved

Verify the unit’s pressure gauges read '0'

Verify the Power light on the display is 'off'

Remove the lift-off access panel and set aside

Drain machine by removing the pump casing drain plug

Shut down unit operations according to section 3.4 in the manual

Ensure proper lock-out procedures are followed

Is the system pressure eliminated and the unit’s pressure gauges reading '0' pressure?

Drain unit by removing the pump casing drain plug

Remove the capillary connection from the cooling cylinder to the pressure switch

Remove the brass elbow mounted on the pressure switch

Remove the electrical connections to the pressure switch

Disengage process operations and verify all system pressure is relieved and the unit’s pressure gauges read '0'.

Disengage main power supply and verify the Power light on the display is 'off'.

Remove the lift-off access panel and set aside.

Disconnect the valve wiring harness.

Remove the AVTTM valve’s drip cover.

Remove the 2 mounting screws securing the motor/gearbox assembly.

Carefully separate the motor/gearbox from the attached coupling from the valve assembly.

Disengage process operations and relieve all system pressure

Disengage main power supply and verify the Power light on the display is 'off'

Remove the lift-off access panel and set aside

Remove the necessary panels to gain access to the pump motor

Drain machine by removing the pump casing drain plug

Remove the three motor wire leads from the motor wiring terminals and map the wire terminal locations

Inspect heater contactor for signs of wear or pitting

Is the heater contactor cycling frequently?

Does the heater contactor require replacement due to wear?

Inspect pump motor starter for signs of wear or pitting

Does the pump motor starter require replacement due to wear?

Ensure all components are cool before inspection