Einleitung

Prerequisite only! This guide shows how to remove and replace the right sprocket on the Toro Walk Behind Mower 21199HD 2018.

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    • Before you begin, ensure that the mower is powered down and cool to the touch.

    • Grab the plastic housing at the end of the spark plug wire and pull firmly to disconnect it.

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    • Chock the rear wheels to prevent the mower from rolling during service.

    • If the blades are extremely dirty, you can clean them using the washout fitting so the bolts on the underside of the blade guard are accessible.

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    • Lift up the plastic deflector.

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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.

    • Remove the grass bag.

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    • Use a 3/8-inch socket to remove the four bolts securing the belt guard:

    • Three 1 inch-long recessed bolts

    • One 1 1/2 inch-long bolt

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    • Pull the belt guard straight off the front of the mower to remove it.

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    • Loosen, but don't remove, the belt tensioner to give the belt some slack.

    • Use a 1/2 inch socket and 1/2 wrench simultaneously to loosen the tensioner.

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    • Use a flathead screwdriver to pry off the plastic plug cap.

    • Remove the plug cap.

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    • Use a 3/8 inch socket to remove the four bolts securing the upper belt guide to the pulley.

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    • Remove the upper belt guide from the pulley.

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    • Use a 1/2 inch socket to remove the left pulley bolt

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    • Remove the pulley bolt and washer.

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    • Remove the left pulley.

    • Remove the bushing from the pulley.

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    • Lift the belt up and over the left sprocket.

    • Move the belt to the front of the mower, out of the way of the belt tensioner.

    • During reassembly, ensure all belt teeth are fully seated, otherwise there will not be enough slack for the belt to be installed.

    • During reassembly, ensure that the blades are oriented perpendicularly to one another so they don't collide.

    • Spin the left sprocket, with the blade attached underneath, until it is in a safe position, then place the belt on the sprocket.

    • Spin both blades to ensure they don't touch during a 360˚ rotation.

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    • Use a 3/8 inch socket to remove the two screws securing the belt guide.

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    • Remove the belt guide.

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    • Loosen the knob on top of the air cleaner cover, on the top side of the motor.

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    • Lift the cover up and off of the air cleaner to remove it.

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    • Remove the three metric bolts securing the engine guard:

    • Two 10 mm bolts

    • One 8 mm bolt

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    • Remove the engine guard.

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    • Use an impact wrench with a 3/4 inch socket to remove the right sprocket bolt.

    • If necessary, use a punch or screwdriver to lock the sprocket in place during removal, lining up the hole in the sprocket with the hole in the blade guard.

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    • Lift up the engine brake.

    • Remove the blue motor belt from the engine brake.

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    • Remove the engine brake.

    • Remove the accompanying washer.

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    • Lift the right sprocket and belt up and away from the spindle to remove it.

Abschluss

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

Carsten Frauenheim

Mitglied seit: 10/03/20

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