Appliance Tips
December 4, 2024
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Installing a built-in microwave can be a straightforward process if you follow the right steps and take the necessary precautions. Whether you’re upgrading your kitchen or adding a new microwave, this guide will walk you through the process of installing a built-in microwave.
Tools To Get Started With Your Built-In Microwave
Before you start, gather the tools you’ll need for the installation:
- Phillips screwdriver
- Flat-blade screwdriver
- Measuring tape
- Level
- Drill (if you’re installing in a wall cabinet)
- 1/8″ (3mm) and 1″ (2.5cm) drill bits (for wall cabinet installations)
1. Measure the Cabinet Opening
Accurate measurements are crucial for a successful installation. Your cabinet opening should be:
- Width: 28 ½ inches
- Height: 17 ⅝ inches
- Depth: At least 21 ⅞ inches
Ensure there is 2 ⅛ inches of clearance above the opening and 1 inch below. Double-check these measurements to avoid any installation issues.
2. Confirm the Electrical Supply
The built-in microwave will require a dedicated electrical circuit. Verify that your electrical supply meets the following requirements:
- Voltage: 240V
- Frequency: 60Hz
Ensure that your electrical setup complies with these specifications before proceeding. If you’re unsure, contact Top Appliance Repair Richmond for an electrical check-up.
3. Assemble and Install the Spacer Kit
If your microwave comes with a spacer kit, assemble it according to the manufacturer’s instructions. Install the spacer bars on the bottom trim of the cabinet using 3/8 inch washer screws. This kit helps ensure a proper fit and prevents the microwave from touching the cabinet.
- Align the spacer bars and center the assembly against the cabinet opening.
- Drill pilot holes through the spacer bars using a 1/8 inch drill bit.
- Secure the spacer bars with 4 ¾ inch flathead screws. Avoid over tightening.
4. Unpack and Position the Microwave
Warning: Built-in microwaves can be heavy. It’s advisable to have at least two people for this step to avoid injury.
Remove any packaging from the microwave, including the glass tray and any other accessories. Place the microwave on a cart or countertop near the cabinet opening. Having an assistant help with positioning the microwave will ensure a smooth installation process.
5. Connect the Microwave Wiring
Warning: Always disconnect power before handling electrical components.
- Turn off the power supply at the junction box.
- Connect the flexible cable conduit from the microwave to the junction box using a conduit connector.
- Secure the connections by twisting together the corresponding wires (black to black, red to red, white to white, and green or bare to grounding wire).
- Replace the junction box cover and ensure all connections are secure.
If you’re not comfortable with electrical work, Top Appliance Repair Richmond offers expert wiring services to ensure everything is set up safely and correctly.
6. Install the Built-In Microwave
With the help of another person, align the microwave on the spacer bars and gently push it into the cabinet.
- Open the microwave door and push the appliance fully into the cabinet.
- Use a 1/8 inch drill bit to drill pilot holes through the side mounting brackets.
- Secure the microwave to the cabinet using 3/4 inch flathead screws. Be careful not to overtighten.
Replace the glass tray and any other accessories. Restore power to the microwave, and it should be ready for use.
Final Tips and Professional Assistance
Before drilling or cutting, double-check all measurements and clearances. Keep any old hardware if you’re replacing an existing microwave, as it may be useful for future repairs.
Having trouble with your newly installed built-in microwave or noticing it’s not working as it should? Top Appliance Repair Richmond is here to help. Our team of experts specializes in repair services to get your built-in microwave back to perfect working condition! View the full video blog here.
