Introduction

Follow this guide to replace the lower V-belt on a 2018 Classen Sod Cutter model HSC18AHD.

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    • Make sure the engine is off and cool to the touch before you proceed.

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    • Place wheel chocks against the roller and rear wheel to prevent the machine from moving.

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    • Flip the gas shutoff switch next to the motor to the left into the off position.

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    • Grab the plastic housing at the end of the spark plug wire.

    • Pull firmly to disconnect the wire from the spark plug.

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    • Use a 1/2 inch socket to remove the first two bolts from the belt shield.

    • Use a 1/2 inch socket to remove the third bolt from the belt shield.

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    • Remove the belt shield.

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    • Use a marker to mark the height of the idler pulley on the bracket.

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    • Use a 9/16 inch socket to loosen the nut securing the idler pulley until the pulley can freely move up and down the bracket.

    • You may need to use a 3/8 inch wrench in combination with the socket wrench to hold the bolt in place.

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    • Raise the idler pulley to relieve the tension from the V-belt.

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    • Remove the V-belt.

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    • Check that the idler pulley is properly tensioning the belt:

    • Use your fingers to roll the belt. If you cannot twist the belt more than a quarter turn, the belt is sufficiently tensioned. If the belt is too loose, set the idler pulley lower to tension the belt more.

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    • Use a 3/4 inch socket to remove the bolt securing the eccentric arm to the blade arm.

    • You may need to use a 3/4 inch wrench in combination with the socket wrench to hold the nut in place.

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    • Remove the plastic washer from in between the eccentric arm and the blade arm.

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    • Remove the partially threaded bolt and plastic washer.

    • During reassembly, apply threadlocker on the bolt threads.

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    • Move the cutter blade handle back to disengage the blade drive and relieve tension on the V-belt.

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    • Lift the eccentric arm to open a space to remove the V-belt.

    • Remove the V-belt.

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    • When installing the new V-belt, ensure it is placed to the left of the bolt as pictured.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Sam Omiotek

Member since: 25/02/19

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