In this video and guide, we explain how to repair a Hayward Star Clear Plus lid and knob in a few easy steps.

Reasons to Replace the Star Clear Plus Lid

• Locking knob no longer tightens
• Lid is cracked
• Warped or brittle

Things You’ll Need

• Locking Knob – CX1750G for the C1750 & C1900 or the CX900G for the C751, C900, C1200
• Knob Cone Kit – CX900DA (Fits All Sizes)
• Filter Body O-Ring – CX900F
• Magic Lube

Steps to Replacing the Lid

1. Turn off the pump at the breaker
2. Open filter’s air relief valve
3. Remove the lid from the filter
4. Turn the lid upside down, then remove the white cone.
5. Remove the metal C-clip with a flathead screwdriver to release the knob
6. Remove plastic washed underneath C-Clip
7. Turn lid right side up
8. Remove the knob from the lid
9. Lube knob o-ring, then slide the gasket into the kob stem’s gasket groove
10. Slide plastic washer on the knob’s stem base
11. Insert the knob into the lid, then set the lid upside down
12. Place second plastic washed onto the knob stem, on the inside of the filter
13. Snap c-clip into place, flush against the washer
14. Place Cone over knob compartment
15. Remove old lid gasket, clean gasket groove with cloth
16. Lube the new gasket, then slide it into the lid’s gasket groove
17. Re-install lid onto the filter housing