January 20, 2015

How to replace a snowblower shear pin

How to replace a snowblower shear pin

This step-by-step repair guide shows how to replace a snowblower shear pin. If hard-packed snow or a foreign object jams the auger, the snowblower shear pin breaks to protect the engine from damage. Once the shear pin breaks, the auger is no longer attached to the snowblower drive shaft and won’t rotate. Replace the broken shear pin with a manufacturer-approved snowblower part.

You can use the steps in this guide to replace broken shear pins on Craftsman, Husqvarna, Troybilt, Murry, MTD, Toro, Poulan, Ariens and Cub Cadet snowblowers.

Quick links
Tools required
1/2-inch wrench
Hammer
Nail
Repair difficulty
Time required
15 minutes or less
Repair difficulty
Time required
15 minutes or less
How to replace a snowblower shear pin

How to replace a snowblower shear pin

Instructions

  1. 01.

    Disconnect the spark plug wire.

    Pull the wire straight up and off of the plug. 

  2. 02.

    Remove the broken shear pin

    Remove the broken shear pin, using a hammer and nail to completely clear the hole of any pieces.

  3. 03.

    Insert the new shear pin

    Realign the holes in the auger and the shaft. Insert the new shear pin and secure it with the bow tie pin.

    PHOTO: Insert the new shear pin.

    PHOTO: Insert the new shear pin.

    PHOTO: Secure the shear pin with the bow tie pin.

    PHOTO: Secure the shear pin with the bow tie pin.

  4. 04.

    Test the auger

    Reconnect the spark plug wire. Start the engine and test the operation of the auger.

Warning: Undertaking repairs to appliances can be hazardous. Use the proper tools and safety equipment noted in the guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs should only be performed by a qualified technician.

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