The following topic covers the removal and reinstallation of the Avid single-control bonnet and handle.
Turn the water supply OFF.
Turn the handle to the ON position to relieve pressure.
Loosen the setscrew and remove the handle.
Use a flat-blade screwdriver to lift and remove the bonnet from the faucet body.
The valve is now accessible for servicing.
Apply lubricant to the wall of the bonnet slot.
Verify that the O-ring is properly seated in the new bonnet.
Reinstall the bonnet by tilting the beveled end in first. Pivot and press the bonnet into place.
Install the handle and tighten the setscrew.
Turn the water supply ON.
Rotate the handle to the ON position and check for leaks.