Loosen the handle screw set with an Allen wrench. Remove the handle to expose the faucet.
Remove the cap with groove joint pliers. To prevent scratches to the shiny chrome finish, wrapped masking tape around the jaws of the pliers.
Lift up the faucet cam, cam washer and the rotating ball. Check the ball for signs of wear.
Reaching to the faucet with a screwdriver and remove the old springs and neoprene valve seats.
Remove the spout by twisting it upwards, and then cut off the old O-rings. Coat the new O-rings with heat proof grease, and install. Reattach the spout, pressing downwards until the collar rests on the plastic slip ring. Install the new springs and valve seats.
Insert the ball, you cam washer and cam. A small lug on the cam should fit into the notch on the faucet body. Screw the cap onto the faucet and reattach the handle.