Garbage disposals are a convenient way to dispose of food waste, but they can sometimes become clogged or jammed. If your garbage disposal is not working properly, you may need to replace it. Changing a garbage disposal is not a difficult task, but it does require some basic plumbing skills. In this article, we will provide you with step-by-step instructions on how to change a garbage disposal.
Before you begin, you will need to gather some tools and materials. You will need a new garbage disposal, a wrench, a screwdriver, a pair of pliers, and some plumber’s putty. You will also need to turn off the power to the garbage disposal at the circuit breaker panel. Once you have gathered your tools and materials, you can begin the process of changing the garbage disposal. First, you will need to disconnect the old garbage disposal from the sink. To do this, you will need to use the wrench to loosen the nuts that hold the disposal in place. Once the nuts are loose, you can pull the disposal down from the sink.
Next, you will need to disconnect the electrical wires from the garbage disposal. To do this, you will need to use the screwdriver to loosen the screws that hold the wires in place. Once the screws are loose, you can pull the wires off of the disposal. Finally, you will need to remove the old garbage disposal from the drain. To do this, you will need to use the pliers to loosen the nuts that hold the disposal in place. Once the nuts are loose, you can pull the disposal out of the drain. Now that the old garbage disposal has been removed, you can install the new disposal. To do this, you will need to first insert the new disposal into the drain. Then, you will need to tighten the nuts that hold the disposal in place. Next, you will need to connect the electrical wires to the new disposal. To do this, you will need to push the wires onto the terminals on the disposal. Finally, you will need to tighten the screws that hold the wires in place.
Safety First: Preparing for the Disposal Change
Assess the situation
Before you start taking apart your garbage disposal, it’s crucial to assess the situation to ensure your safety. Here are some things you should consider:
Power off the disposal
Turn off the power to the disposal by flipping the corresponding circuit breaker or removing the fuse. This will prevent any electrical shocks while you work.
Check for leaks
Inspect the disposal and the surrounding area for any leaks. If you notice any water, fix the leaks before proceeding. A wet disposal can increase the risk of electrical shocks.
Secure the disposal
Ensure that the disposal is secured and won’t move while you work. This will help prevent it from falling and causing injuries. Use a towel or a piece of wood to wedge the disposal in place.
Gather your tools and materials
To change a garbage disposal safely, you’ll need some basic tools and materials. Here’s a list of what you should have on hand:
| Tool | Purpose |
|---|---|
| Adjustable wrench | For loosening and tightening nuts |
| Phillips head screwdriver | For removing screws |
| Flashlight | For illuminating the work area |
| Bucket | For catching water and debris |
| Gloves | For protecting your hands |
| Safety glasses | For protecting your eyes |
Locating and Accessing the Garbage Disposal
Garbage disposals are usually found under the kitchen sink. They are connected to the drainpipe and the electrical outlet. To access the garbage disposal, you will need to remove the access panel or door that is usually located at the bottom of the sink cabinet.
Once you have removed the access panel, you will see the garbage disposal. The garbage disposal is usually held in place by a mounting bracket. To remove the garbage disposal, you will need to disconnect the electrical wires and the drainpipe.
Here are the detailed steps on how to locate and access the garbage disposal:
1. Identify the Location of the access panel:
The access panel is usually located at the bottom of the sink cabinet. It is usually a rectangular or circular panel that is held in place by screws or latches.
2. Remove Access Panel:
Locate the screws or latches that are holding the access panel in place. Remove the screws or latches and carefully pull the access panel off.
3. Locate the Garbage Disposal:
Once you have removed the access panel, you will see the garbage disposal. The garbage disposal is usually a cylindrical-shaped device that is connected to the drainpipe and the electrical outlet.
4. Check The Power Source:
Before you start working on the garbage disposal, make sure that the power is turned off at the circuit breaker or fuse box. This will prevent you from getting shocked.
Disconnecting the Power and Water Supply
Unplug the garbage disposal from the wall outlet. If the disposal is hard-wired, turn off the circuit breaker or fuse that supplies power to it.
Turn off the water supply to the garbage disposal. There should be a shut-off valve under the sink. If there is no shut-off valve, you will need to turn off the main water supply to your home.
Removing the Mounting Bracket
Locate the mounting bracket that holds the garbage disposal in place. It is usually located on the bottom of the disposal.
| Type of mounting bracket | How to remove it |
|---|---|
| Plastic bracket | Unscrew the screws that hold it in place. |
| Metal bracket | Loosen the bolts that hold it in place. |
Once the mounting bracket is removed, you can lift the garbage disposal out of the sink. Be careful not to damage the electrical cord or water supply line.
Detaching the Old Disposal Unit
Now that you’ve gathered your tools and disconnected the power, it’s time to detach the old disposal unit. Follow these detailed steps to ensure a safe and proper removal:
-
Drain the Water:
Place a bucket or large container beneath the disposal unit to catch any residual water. Then, turn on the faucet to flush out the remaining water.
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Locate the Mounting Nuts:
There will be three or four mounting nuts located around the flange of the disposal unit. Use an adjustable wrench or socket wrench to loosen these nuts, being careful not to drop them into the drain.
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Detach the Plumbing Connections:
Disconnect the dishwasher drain line, if applicable, by loosening the hose clamp. Next, disconnect the drainpipe by loosening the slip nuts that secure it to the disposal unit. Use pliers or a pipe wrench to gently turn the nuts counterclockwise.
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Remove the Disposal Unit:
Once the mounting nuts and plumbing connections are loosened, carefully lift the disposal unit straight up and out of the sink opening. Be aware that it may be heavy, so have someone assist you if necessary.
Safety Tip:
When loosening the mounting nuts, hold the disposal unit securely to prevent it from falling into the sink.
Preparing the Assembly for Installation
Disconnect the Old Disposal
Unplug the garbage disposal from the power outlet. Turn off the water supply to the sink. Disconnect the plumbing lines, including the dishwasher drain hose, if necessary. Remove the mounting bolts that hold the disposal in place and carefully remove it.
Inspect the Mounting Assembly
Examine the new mounting assembly to ensure it fits your sink. Check if the gasket or flange is intact and will create a proper seal. Verify that the mounting bolts are the correct size.
Assemble the Mounting Ring
Locate the mounting ring in the assembly kit. Align the ring with the underside of the sink and insert the mounting bolts through the holes in the ring. Tighten the bolts hand-tight to secure the ring in place.
Attach the Spigot Adapter
Connect the spigot adapter to the dishwasher drain hose, if applicable. Ensure the adapter fits snugly and will not leak. Tighten the connection with a screwdriver or wrench.
Installing the Gasket and Flange
Apply plumber’s putty around the rim of the gasket. Place the gasket over the mounting ring, ensuring it aligns properly. Slide the flange over the gasket and align the mounting holes. Insert the mounting bolts through the holes and hand-tighten them.
| Step | Task |
|---|---|
| 1 | Apply plumber’s putty to the gasket. |
| 2 | Align the gasket over the mounting ring. |
| 3 | Slide the flange over the gasket. |
| 4 | Insert the mounting bolts through the holes. |
| 5 | Hand-tighten the bolts to secure the flange. |
Connecting the New Garbage Disposal
1. Turn off the power to the garbage disposal at the circuit breaker or fuse box.
2. Disconnect the old garbage disposal from the sink drain and electrical wires.
3. Clean the area around the sink drain and flange where the new garbage disposal will be mounted.
4. Apply a bead of plumber’s putty around the flange of the new garbage disposal.
5. Insert the garbage disposal into the sink drain and tighten the mounting nuts until the garbage disposal is securely in place.
Electrical Connections
6. Wrap electrical tape around the exposed wires of the garbage disposal and the wires coming out of the wall. Be sure to make a secure connection so that the garbage disposal is properly grounded. Here’s a more detailed guide to connecting the electrical wires:
| Wire Color | Terminal |
|---|---|
| Black | Line |
| White | Neutral |
| Green | Ground |
a. Connect the black wire from the garbage disposal to the black (hot) wire coming out of the wall.
b. Connect the white wire from the garbage disposal to the white (neutral) wire coming out of the wall.
c. Connect the green wire from the garbage disposal to the green (ground) wire coming out of the wall.
7. Turn on the power to the garbage disposal and test it to make sure it is working properly.
Restoring Power and Water Supply
Before commencing any repairs, it’s essential to ensure that both the power and water supply to the garbage disposal are turned off. This is a crucial safety measure to prevent accidental electrical shocks or flooding.
Restoring Power
- Locate the circuit breaker panel or fuse box.
- Identify the breaker or fuse that controls the garbage disposal and turn it off.
- Once the repair is complete, return to the circuit breaker panel or fuse box and turn the breaker or fuse back on.
Restoring Water
- Locate the water supply valve beneath the sink.
- Turn the valve clockwise to close it.
- Place a bucket or bowl under the valve to catch any residual water.
- Open the faucet connected to the garbage disposal to release any trapped water.
- Once the water has drained, close the faucet.
- Turn the water supply valve counterclockwise to reopen it.
Checking the Power Cord and Wall Outlet
Inspect the power cord and wall outlet for any damage, such as loose connections or frayed wires. If any issues are found, replace the faulty components.
Resetting the Disposal
Locate the reset button on the underside or side of the garbage disposal. Press and hold the button for a few seconds to reset it.
Using a Plunger
Place a rubber cup plunger over the disposal’s drain opening. Fill the sink with enough water to cover the plunger’s cup. Plunge vigorously to dislodge any clogs.
Testing the New Installation
Once the new garbage disposal is installed, it’s crucial to test it to ensure it’s working correctly. Follow these steps:
- Turn on the water faucet: Turn on the cold water faucet at full force.
- Flip the switch: Activate the garbage disposal switch located near the sink.
- Check for leaks: Observe the area around the disposal for any leaks or water dripping.
- Clean the blades: Place a few ice cubes in the disposal and turn it on. The ice cubes will help remove any debris or food particles stuck on the blades.
- Dispose of a test item: Put a small piece of food, such as a carrot or potato peel, into the disposal and turn it on.
- Listen for grinding noises: The disposal should produce a consistent grinding sound as it breaks down the food.
- Check the drain for clogs: After running the water for a few seconds to flush out the disposal, check the drain to ensure there are no clogs or blockages.
- Reset the disposal (if necessary): If the disposal stops working or makes unusual noises, you may need to reset it. Turn off the switch, then press the reset button located on the bottom or side of the unit.
| Potential Problems | Possible Causes | Solutions |
|---|---|---|
| Disposal won’t start | – Tripped circuit breaker – Faulty switch |
– Reset circuit breaker – Replace switch |
| Disposal makes humming noise | – Jammed blades – Overload |
– Turn off and clear blades – Reduce food quantity |
| Disposal leaks | – Loose connections – Damaged gaskets |
– Tighten connections – Replace gaskets |
Troubleshooting Common Problems
If your garbage disposal is not working as expected, there are a few common problems that you can check for:
1. Power supply
Make sure that the garbage disposal is getting power. Check the circuit breaker or fuse box to make sure that the circuit is not tripped or blown.
2. Reset button
If the garbage disposal has a reset button, press it to see if that resolves the issue.
3. Jammed disposal
If the garbage disposal is jammed, you can try using a pair of tongs to remove the blockage. Be careful not to stick your hand down the drain.
4. Drain clog
If the drain is clogged, you can try using a drain snake or chemical drain cleaner to clear the blockage.
5. Airlock
If the garbage disposal is making a gurgling noise, it could be due to an airlock. You can try running the garbage disposal with cold water to clear the airlock.
6. Worn-out motor
If the garbage disposal is old, the motor may be worn out. You can try replacing the motor, but it may be more cost-effective to replace the entire garbage disposal.
7. Leaking disposal
If the garbage disposal is leaking, it could be due to a number of issues, such as a worn-out gasket or a cracked housing. You will need to inspect the garbage disposal to determine the source of the leak and make the necessary repairs.
8. Disposal not grinding
If the garbage disposal is not grinding, it could be due to a number of issues, such as a dull blade or a jammed impeller. You will need to inspect the garbage disposal to determine the source of the problem and make the necessary repairs.
9. Disposal making noise
If the garbage disposal is making noise, it could be due to a number of issues, such as a loose mounting bracket or a worn-out bearing. You will need to inspect the garbage disposal to determine the source of the noise and make the necessary repairs.
Inspect Regularly
Periodically check your garbage disposal for any potential issues. Look for signs of leaks, clogs, or strange noises. Promptly address any problems to prevent more severe damage.
Clean Regularly
Maintain the cleanliness of your garbage disposal by running a mixture of baking soda and vinegar through it monthly. This helps remove buildup and deodorizes the unit.
Use Cold Water
Always use cold water when running your garbage disposal, as hot water can melt grease and cause buildup.
Avoid Tough Items
Refrain from putting hard or fibrous food items, such as bones, pits, or egg shells, into your disposal. These items can jam the unit.
Run Regularly
Make it a habit to run your garbage disposal for a few seconds even when it’s empty. This helps keep the blades sharp and prevents corrosion.
Use Biodegradable Soaps
Opt for biodegradable soaps and detergents when washing dishes to prevent harsh chemicals from accumulating and damaging the disposal.
Avoid Grease and Oils
Avoid pouring grease or oils down the disposal, as they can solidify and clog the unit.
Reset the Unit
If your garbage disposal stops working, try resetting it by pressing the reset button. Sometimes, an overload can cause the unit to trip its internal safety switch.
Unclog the Unit
In case of a minor clog, try using a drain cleaner specifically designed for garbage disposals. For stubborn clogs, contact a professional plumber.
Replace Blades if Needed
Over time, the blades of your garbage disposal can become dull. If you notice a significant decrease in performance, consider replacing the blades. This is a relatively simple and inexpensive task that can extend the life of your unit.
How To Change A Garbage Disposal Youtube
If your garbage disposal is not working properly, you may need to replace it. This is a relatively simple task that can be completed in a few hours. Here are the steps on how to change a garbage disposal:
- Turn off the power to the garbage disposal at the circuit breaker.
- Disconnect the water supply to the garbage disposal by turning off the valve under the sink.
- Disconnect the drain line from the garbage disposal by loosening the clamps.
- Unscrew the bolts that hold the garbage disposal in place.
- Lift the garbage disposal out of the sink.
- Install the new garbage disposal by reversing the steps above.
Once the new garbage disposal is installed, turn on the power and water supply and test it to make sure it is working properly.
People Also Ask
How much does it cost to replace a garbage disposal?
The cost to replace a garbage disposal will vary depending on the type of disposal you choose and the labor costs in your area. However, you can expect to pay between $100 and $500 for a new garbage disposal and installation.
How long does it take to replace a garbage disposal?
It should take about 1-2 hours to replace a garbage disposal. However, if you are not comfortable working with plumbing, it is best to hire a plumber to do the job.
What are the signs that I need to replace my garbage disposal?
There are several signs that you may need to replace your garbage disposal, including:
- The disposal is making a strange noise.
- The disposal is not grinding food properly.
- The disposal is leaking water.
- The disposal has stopped working altogether.
