How to Install a Mulch Kit on a Cub Cadet Tractor

How to Install a Mulch Kit on a Cub Cadet Tractor

A mulch kit is a way to convert your Cub Cadet tractor into a mulcher. When you change the tractor’s standard blades to mulching blades, the mulch kit recycles the lawn clippings as you mow and spreads them back onto your lawn. This returns nutrients back into the soil, keeping your grass healthy. Here’s how to install a mulch kit on your Cub Cadet tractor.

Depending on your model number, these instructions may vary.  Be sure to refer to your owner’s manual for detailed instructions, recommended maintenance and safety instructions.

Before performing any maintenance on your machine, engage the parking brake on a flat, level surface and remove the key from the ignition. Disconnect the spark plug wire to prevent accidental starting.

To install a mulch kit on a Cub Cadet tractor, begin by removing the mower deck. Set the deck height to its lowest setting. Pull the right idler pulley to release tension on the deck belt, and then ease the deck belt off the engine pulley.

Use pliers to remove the cotter pin from the front deck lift rod and slide the rod out of the hanger bracket. Remove the hairpin clip securing the right side of the deck to the hanger bracket supporting the cutting deck and release it from the hanger bracket by moving the deck outward and off the hanger rod making sure the deck doesn’t fall. Repeat this step on the left side and slide the deck out from underneath the tractor.

Once the mower deck is off, flip it over to access its underside to prepare to remove the old mower blades. Note: always wear heavy duty gloves when handling blades.

Use a block of wood and wedge it between the blade and the frame of the mower deck. Make sure it’s good and steady because you’ll be applying force. Remove the center holding nut from the mower blade with a wrench. Use a gloved hand to keep the blade from turning while removing the nut. Save the nut for installing the mulching blade. Repeat this blade removal step for the mower blade on the other side of the deck.

Once the old blades are removed, you can replace them with the new blades included in the mulch kit. Place the center hole of the mulching blade over the mounting stud on the underside of the mower deck. Make sure each blade with the side marked “bottom” or with the part number on it is facing the ground when the mower is in the operating position.

Use your gloved hand to hold the blade in place while tightening the holding nut with your wrench. Repeat this step to install the mulching blade on the other side of the deck as well.

To install the mulch plug on your Cub Cadet tractor, lift the discharge chute up. Place the mulch plug into the deck discharge chute by fitting the bolt on the rear side of the mulch plug into the hole in the deck.  Move the mulch plug into place, then pull and stretch the retaining plug on the mulch plug over the deck wheel bracket and hook it under the bottom of the bracket.

Slide the deck back under the tractor and reattach the deck. You are now ready to use your Cub Cadet tractor as a mulcher.

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How to Change a Cub Cadet Walk Behind Lawn Mower Blade

How to Change a Cub Cadet Walk Behind Lawn Mower Blade

Sharpening or changing your lawn mower blade is imperative to a well-manicured lawn. A lawn mower with a dull blade will cut the grass unevenly and the tips of grass blades will be torn instead of cleanly-sliced. Periodically inspect your lawn and lawn mower to determine if a new blade is needed. As a rule of thumb, sharpen or replace your lawn mower blade at least once a year. Refer to this guide when it’s time to change your .

Before performing any maintenance on your lawn mower, refer to your owner’s manual for maintenance instructions and safety information. Maintenance instructions vary by model, so depending on your lawn mower model our instructions may vary slightly.

Before changing the wheels on your lawn mower, please abide by these safety precautions:

  • Shut off the engine
  • Allow the engine to become cool to the touch
  • Disconnect the spark plug wire to prevent accidental starting

First, turn the mower on its side to access the blade. Make sure the air filter and carburetor side is facing up. Mower blades are sharp so make sure you always wear gloves for protection. Secure the lawn mower blade using a blade removal tool or place a block of wood between the blade and the frame of the mower to support the blade when you apply pressure to remove it.

Remove the blade retaining bolt and then remove the blade. Depending on wear and tear, either sharpen the blade or replace it with a new one. Secure the new or sharpened blade with the blade removal tool or block of wood. Then tighten the blade retaining bolt to the torque indicated in your owner’s manual.

The side of the blade that says “Bottom,” or shows the part number should face the ground when the mower is in operating position. Once the blade is secured on your lawn mower, turn the lawn mower right side up and reconnect the spark plug. Start your lawn mower and listen for noises or vibration.

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