If you’re unsuccessful using the wrench, you may need to go in through the drain in an attempt to remove the clog. Disconnect the power to the disposal by unplugging the unit or turning off its circuit breaker, then use long-handled tongs and a flashlight to try to remove the jam.  Never use your hands for this task, even if the disposal is completely disconnected from its power source! Fumbling blindly around a disc of sharp blades is asking for injury.
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If you are connecting the disposal to a dishwasher, it may be connected through an air gap. Use a hose clamp to attach the drain hose to the dishwasher inlet. Now that everything is installed and in position, lock the disposal to the sink mounting assembly using the wrenchette that came with the unit. For Evolution models, insert the Quiet Collar® Sink Baffle into the sink opening by pressing it into the sink until it snaps into place. (See Fig 7d)
Some higher-end units have an automatic reversing jam clearing feature. By using a slightly more-complicated centrifugal starting switch, the split-phase motor rotates in the opposite direction from the previous run each time it is started. This can clear minor jams, but is claimed to be unnecessary by some manufacturers: Since the early sixties, many disposal units have utilized swivel impellers which make reversing unnecessary.[26]

Some folks knocked the instructions. Take heart. It appears that the Waste King guys have heard the criticisms from the negative reviewers. I am guessing that they have been re-written to better explain the installation because they are really easy to follow. My best advice is this: don't be afraid of a difficult or confounding set of installation instructions. It is really easy. Here's what you do. Go to youtube.com and search for a video on How To Remove Your Existing Garbage Disposal because this is the hardest part. You will find one that matches yours. Watch it. I started removing the Badger incorrectly, stopped, watched a video, and then it was a piece of cake. In my case, I shouldn't have removed the three long screws before removing the body of the old one. You do it after it is disconnected. READ the instruction manual carefully. Then go ahead and youtube the Waste King installation video. It is very easy once you see it done. No filing or grinding gaskets, and Good Lord, no car jacks under your sink please. If it is hard then you are doing something wrong. STOP!!! Review the procedure. Start again. The directions are actually very explicit. The parts are well labeled. The diagrams show you what to do. The videos show you what to do. If you prepare yourself (15 minutes of reading and watching videos, tops) you will fly though the installation and be a happy person.
Thank you for sharing this tutorial. My husband and I tried to fix our garbage disposal last week but we couldn’t get it to work. When we turn it on, it makes a humming noise, but nothing is blocking the blades. We might need to get a new disposal, but we’ll probably have a professional look at it before we decide. We’ll keep your tips on hand, just in case.

Manufactured in the United States, Waste King garbage disposals have won much praise for their energy efficient design. Waste King offers a wide range of garbage disposers for both residential and commercial settings. In the early 2000s, Waste King refocused their sights on providing unparalleled customer service and quality products, and their warranties are the current industry standard that others are measured by.

If the unit is hardwired to the house then you have to use a screwdriver to remove the plate covering the wire connections on the disposal. Disconnect the exposed wires and then remove the plate covering the junction box on the wall. Untwist the wire caps securing the disposal wires to your home wires and set the disposal’s wires on the side. Twist the wire capes over the exposed wires in the junction box, put the wires into the junction box and reattach the junction box plate.
Run cold water while the disposal is on. Keep disposer and water running for 30 to 60 seconds AFTER the waste matter has cleared your drain. The waste still has a distance to go. Cold water keeps the motor, bearings and shredder assembly from overheating. It also lets the waste go down easier because the water is pushing it down. Don't use hot water, because it can melt fat and allow it to re-solidify as a blockage further down in the drain.
If your garbage disposal has become clogged, you’re likely to hear a muted humming noise when you flip the switch. This is an indication that your garbage disposal is getting power, but the blades aren’t able to turn. Very often, this happens when something hard and non-crushable has become caught in the blades at the bottom of the unit. To solve this problem, do the following:
Did exactly what I expected to. We bought a house with an older disposal and the gasket/rubber that blocks things from falling down into the disposal was cut away. I replaced and is like new. It makes the disposal sound much better too. A couple things about removing disposal and installing gasket...1) use a large Allen key (short end) to stick in the eyelet to unlock the disposal. 2) the gasket fits over the mouth of the disposal and locks into place. Don't just stick the new gasket in up from the bottom hole like I did. 3) use channel locks to tighten the last bit of the disposal/sink collar by pinching the eyelet and collar screw mount. Enjoy!
Next, you’ll connect the wires that you disconnected from the old disposer, to the new disposer. If this isn’t a replacement project, and you’re adding a new disposer where you didn’t have one before, you’ll first need to call an electrician to run the proper wires and a wall switch to the unit. For our project, the electrical wires and switch were already in place.
InSinkErator garbage disposals provide a convenient and environmentally-conscious alternative to sending leftovers to landfills. Capable wastewater treatment plants can even recycle food scraps into energy and fertilizer. Plus, using garbage disposals can significantly reduce the amount of trash sent to landfills and reduce greenhouse gas emissions.
There are many potential causes for a leaky garbage disposal.  Luckily, identifying the cause of your garbage disposal’s leak is as simple as observing the source of the leak, and repairing the issue yourself is very doable.  Most often, if your garbage disposal is leaking, the cause can be identified and repaired yourself in short time, saving you the cost and hassle of replacing your entire disposal unit.
The majority of today’s garbage disposals are designed to dovetail with a sink’s drain outlet, which makes connecting the two components simple. There are a multitude of connection kits and adaptors available. Many models feature a power cord that is simply plugged into a nearby outlet to power the unit; however, when an outlet is not available, the unit must be hardwired, which can be significantly more expensive.

If the leak occurred under the sink and at the top of the disposal before you unplugged the sink drain, your leak is in the sink flange. This indicates that an improper seal exists between the unit and the sink, which can occur from corrosion or the disposal being bumped hard and out of place. This fix requires you to move the disposal altogether. Then apply a generous amount of plumber’s putty to the flange. Finally, replace the disposal and retighten the flange.
If not, unplug the disposal from its electrical outlet and test the outlet with another appliance, such as a hair dryer. If it is hardwired to an electrical box or it doesn’t work, go to the circuit breaker panel and reset the circuit breaker that serves the disposal (often the same circuit used by the dishwasher) by turning it all of the way off and then back on.

Some jams you can free and get the motor to spin and sound like it is working, but the blades are stuck in one position and can’t spin freely to do their job properly. This is very common problem – the motor works so we think everything is working. Not the case! This can lead to stoppages, food trapped in the disposal and a bad smell. These blades can’t be repaired. The disposal needs to be replaced.
You should first find out whether only the disposal is broken, or if the power has gone out completely in the areas near your kitchen sink. Try resetting the circuit breaker that leads to the kitchen, or replacing a fuse if you have an older electrical box. If the garbage disposal makes no noises at all when you flip the switch, you might also want to check under the sink to see that it’s plugged in.

IMPORTANT: Whenever you are working on your garbage disposal, inserting items, and/or inserting body parts into your garbage disposal unit, it should be UNPLUGGED and the POWER TO THE GARBAGE DISPOSAL UNIT SHOULD BE OFF!  Failing to do so will put you at risk of SERIOUS INJURY.  Also, if possible avoid placing your hands directly near the blades at the disposal.  If you can, instead use a tool to wedge out items or check the blades for blockage.
Waste disposal units may jam, but can usually be cleared either by forcing the turntable round from above or by turning the motor using a hex-key wrench inserted into the motor shaft from below.[25] Especially hard objects accidentally or deliberately introduced, such as metal cutlery, can damage the waste disposal unit and become damaged themselves, although recent advances, such as swivel impellers, have been made to minimize such damage.[citation needed] More problematic are drain blockages caused by shredded waste that is fibrous, e.g., artichoke leaves, or starchy, e.g., potato peelings.