What to do when Disposal Makes a Strange Noise?
garbage disposal
The garbage disposal is one of those modern conveniences that we don’t spend a lot of time thinking about, even though it might only be used for 20 seconds a day. Well those 20 seconds aren’t really that important anyway, right?
Well, what happens when those 20 seconds don’t go as planned? You scraped off your dinner plate, turned on the cold water and flipped the switch and…….BAM, nothing. Or maybe something does happen, like your garbage disposal starts sounding like a Rambo movie or dirty water starts backing up into your sink.
You could pick up the phone and call us right away for your garbage disposal repair needs, or if you have a little bit of technical skill and a basic set of tools, you can have at it yourself.
Even though we are being a bit casual about garbage disposals, dealing with one is deadly serious. These things exist for one purpose, and one purpose only – to devour anything that is put into them. They don’t discriminate. If you fail to disconnect the power from the garbage disposal, there’s a good chance that your hand might get chewed up.
Unplug your garbage disposal from the outlet below the sink or locking it out at the fuse box. It’s also a good idea to tape the garbage disposal wall switch in the off position.
Never put your hand in the machine unless you are absolutely sure that there is no power. Most garbage disposals pack ¾ to 1 horsepower and have steel or alloy blades that can easily take the skin off your fingers, if not remove the fingers completely.
Now, if you’re ready to go, let’s talk about what might be wrong with your garbage disposal and how you can fix it.
1. Disposal Makes a Strange Noise
There are three distinct noise issues that can happen in garbage disposals, a metallic rattling sound (often described like the firing of a machine gun), a whirring (humming) noise and a squealing sound.
2. If your garbage disposal makes a loud rattling noise
The metal rattling sound happens when a hard object falls into the disposal and is bounced around by the blades. Removing the object will eliminate this issue. Turn off the disposal, unplug it from the socket under your sink, and remove the foreign object from the disposal. If you have unplugged the unit, it is safe to use heavy work gloves to remove the object. You can also use a slender pair of tongs.
3. If your garbage disposal makes a humming or whirring noise
A whirring or humming noise indicates a stuck flywheel mechanism. This type of issue happens when a piece of debris gets stuck between the shredder ring and the impellers. Using the wrench that came with your disposal, manually crank the gear at the base of the machine until the blockage is dislodged. Run some water into the disposal to clear the block. Reset the unit and use as normal. If the unit cannot be dislodged this way, contact a professional to handle it.
4. If your garbage disposal makes a squealing noise
If your unit is squealing, turn it off immediately. This can indicate a failing bearing and possible motor failure. It might also indicate a problem with the flywheel drive belt (if your unit is belt driven).
Zhejiang Rosun Kitchen & Bath Technology Co., Ltd. is a manufacture of quality garbage disposer and accessories since 1992 with a registered capital of USD 1.5 million. It’s located in Yuhuan, Zhejiang Province of China, covers areas of 75,347 sq. ft, owns 129,167 sq. ft of workshop with more than 200 experienced workers and staffs.
Rosun established Disposer laboratory with an independent R&D team, together with a complete production system from moulding, casting, precision machining, polishing and assemble workshop since it’s founded, Rosun has provided professional OEM & ODM services for numerous customers overseas and domestic.
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