Valve Solenoid Replacement - Philips EverFlo Q Service And Technical Reference Manual

8.11 VALVE SOLENOID REPLACEMENT

There have been three different types/manufacturers of Solenoid Valves:
•
SMC (air piloted, original type solenoid valve, used from initial product launch until approximately
6/13)
•
ASCO (air piloted, original type solenoid valve used from approximately 12/11 until 6/13)
•
ASCO (oxygen piloted, current on all models, used from 6/13/ and future)
To remove the Valve Solenoid Assembly
1. Remove the Filter Cover. Refer to the Filter Cover Replacement section for more information.
2. Remove the Inlet Filter. Refer to the Inlet Filter Replacement section for more information.
3. Remove the Rear Cabinet. Refer to the Rear Cabinet/Power Cord Replacement section for more
information.
4. Remove the Sieve Canister Assembly. Refer to the Sieve Canister Assembly Replacement
section for more information.
5. Remove the five screws and washers securing the Valve Solenoid Assembly to the Sieve Canister
Assembly.
6. Remove the pilot valve tubing.
To install the Valve Solenoid Assembly
1. Place the Valve Solenoid onto the top of the Sieve Canister in the proper location.
2. Place a washer under the one screw as outlined in the picture below.
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