Introduction
This guide shows how to remove and replace the left belt pulley on the Toro Walk Behind Mower 21199HD 2018.
Tools
Parts
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While holding the deflector up and out of the way, lift the grass bag handle away from the mower to detach it.
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Remove the grass bag.
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Use a 3/8-inch socket to remove the four bolts securing the belt guard:
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Three 1 inch-long recessed bolts
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One 1 1/2 inch-long bolt
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Conclusion
To reassemble your device, follow these instructions in reverse order.