Turn off the water to the sink by shutting off the house water mains, or by shutting off the water supply to the sink by turning the water valve.
Remove the nut or screw that holds the sprayer in place on the faucet and lift up on it.
Remove the nut under the sink that connects the hardware kit to the sprayer or soap dispenser, and lift it out of the sink assembly.
Unscrew the top two pieces of the hardware assembly and remove the washer, using a pair of pliers, to expose the Moen 14960.
Unscrew the 14960 with a wrench or pair of pliers and replace it with a new diverter. Reassemble the sprayer.