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This guide shows how to remove and replace the drive pulley.
Note: The pulley can be hard to remove and requires a suitably sized gear puller to extract it.
Note: The pulley bolt may be heavily seized on with thread-lock. You may need to use a blowtorch to heat up the bolt in order to soften the thread-lock.
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Disconnect the spark plug to prevent the engine from accidentally starting up during service:
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Grab the plastic housing at the end of the spark plug wire.
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Pull firmly to disconnect the wire from the spark plug.
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To prevent the over seeder from rolling during service, place wheel chocks behind a rear wheel.
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Push down on the main handle to tilt the over seeder back on its rear wheels.
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Place some weights on the handle, or tie the handle down, to prevent the machine from falling forward.
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Place a wheel chock in front of a rear tire to keep the machine in place.
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Remove the four lock nuts securing the belt guard:
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Two 1/2" lock nuts
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Two 7/16" lock nuts
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Remove the belt guard.
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Use your fingers to pry the belt off the drive pulley.
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Squeeze the belt and unhook it from the engine pulley.
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Remove the rake belt.
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Place a block of wood to jam the blades so they don't rotate forward, allowing you to unscrew the pulley bolt.
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Use a 7/16" socket and socket wrench to remove the center pulley bolt.
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Remove the bolt, along with the pulley retainer washer and crush washer.
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Use a 5/16" box wrench to loosen the two set screws.
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Attach a gear puller to the pulley.
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If your gear puller's center pin is too thick for the pulley, use a 1/2" socket as a buffer.
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Crank on the gear puller with a wrench to remove the pulley.
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Remove the drive pulley.
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Remove the square axle key.
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Lubricate the axle and key with machine oil.
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Set the square key in the pulley first, then align the pulley onto the axle. This makes it slightly easier to hammer the pulley in place.
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Hammer the pulley in place with a rubber mallet.
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Before you tighten the set screws, make sure that the drive pulley's belt path aligns with the idler pulley.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
