An Allen wrench (typically 1/4 inch or 5/16 inch, often provided with the disposal) is crucial for clearing jams by manually rotating the impellers. A flashlight helps you see inside the drain. Pliers and an adjustable wrench are needed for tightening plumbing connections to stop leaks.

Most common garbage disposal repairs, such as clearing a jam or resetting the motor, can take as little as 15-30 minutes. Fixing a leak by tightening connections or replacing a gasket might take 1-2 hours. Overall, it's considered a beginner-friendly project, but electrical and plumbing work always requires careful attention.

A humming disposal usually indicates a jam. First, ensure the power is off. Then, look into the drain opening with a flashlight for any obstructions and try to remove them. If that doesn't work, use the hex key (Allen wrench) in the center hole at the bottom of the disposal to manually rotate the impellers until they move freely.

Identify the source of the leak first. Common leak points include the sink flange, dishwasher connection, or discharge pipe connections. Tighten any loose nuts or bolts with an adjustable wrench. If tightening doesn't work, you may need to replace worn gaskets or the rubber seal under the sink flange.