Garbage disposal vibrates excessively and shakes the sink or countertop

Safety first: Turn OFF power before inspecting or tightening any components.

• Step 1 – Check for foreign objects: Look inside the disposal with a flashlight and remove any large or heavy items stuck on one side of the impeller plate using tongs.
• Step 2 – Verify impeller condition: Rotate the impeller plate manually. If it wobbles significantly or an impeller lug is missing, the unit is unbalanced and should be replaced.
• Step 3 – Tighten mounting assembly: From under the sink, tighten the three mounting ring screws evenly. Ensure the disposal is fully locked into the mounting ring tabs.
• Step 4 – Inspect rubber mounting gasket: Check the rubber mounting gasket between the sink flange and disposal for cracks or misalignment. Replace the gasket if deteriorated.

Warning: Excessive vibration can loosen plumbing connections and damage the sink; address promptly.