Compac CNG Service Manual page 50

Solenoid Valve Seal Replacement
Install new Solenoid Valve Seals
Compac Industries Ltd.
1. Place the new valve seal and seal retainer on the cap screw.
2. Taking care not to damage the piston, hold the flat part of the piston to
prevent rotation, and then screw the M6 cap screw into the bottom of the
piston.
3. Insert a new gas return O-ring.
4. Insert the piston back into the solenoid body.
5. Insert the solenoid spring.
6. Replace the solenoid top O-ring seal.
7. Place the solenoid top back on the solenoid body, making sure that the
locating dowel is engaged.
8. Screw in and tighten the six cap screws.
9. Replace the solenoid coil.
10. Re-power and re-gas the dispenser then check for leaks and correct
operation of the valve. Refer to page 18.
Page 50
Servicing
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