This kitchen faucet is the moen motionsense arbor model but i believe this should be a similar fix to many different kitchen faucets.
Moen kitchen faucet handle keeps coming loose.
How to tighten a moen kitchen faucet handle that is loose.
The hex size is 3 32.
Corrosion also plays a role in stem and handle wear because it accelerates cracking and breaking by eating away at the metal.
I purchased a 2nd moen lindley brushed nickle kitchen sink faucet last summer to replace the exact same faucet that i had been having the same problem with the handle keeps coming loose.
This guide will help with a simple adjustment like tightening a loose handle.
Moen review with 3 comments.
A loose faucet handle can interfere with the ability of the faucet to turn on and off efficiently.
Moen faucets are designed with serviceability in mind.
When kitchen faucet handles are flipped up or pushed down too hard the mounting hole in the handle expands or cracks.
If too much force is used on the handle while opening or shutting it stems may chip crack or break.