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Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement

Prerequisite Only
This guide is only intended to be used as a prerequisite for other guides. It's incomplete by itself.

What you need

  1. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Disconnect the spark plug wire: step 1, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Disconnect the spark plug wire: step 1, image 2 of 2
    • 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.

  2. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Chock the rear wheels: step 2, image 1 of 1
    • 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.

  3. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Lift up the deflector: step 3, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Lift up the deflector: step 3, image 2 of 2
    • Lift up the plastic deflector.

  4. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the grass bag: step 4, image 1 of 3 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the grass bag: step 4, image 2 of 3 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the grass bag: step 4, image 3 of 3
    • 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.

  5. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the belt guard bolts: step 5, image 1 of 3 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the belt guard bolts: step 5, image 2 of 3 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the belt guard bolts: step 5, image 3 of 3
    • 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

  6. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the belt guard: step 6, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the belt guard: step 6, image 2 of 2
    • Pull the belt guard straight off the front of the mower to remove it.

  7. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Loosen the belt tensioner: step 7, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Loosen the belt tensioner: step 7, image 2 of 2
    • 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.

  8. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the pulley plug cap: step 8, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the pulley plug cap: step 8, image 2 of 2
    • Use a flathead screwdriver to pry off the plastic plug cap.

    • Remove the plug cap.

  9. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the upper belt guide: step 9, image 1 of 1
    • Use a 3/8 inch socket to remove the four bolts securing the upper belt guide to the pulley.

  10. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement: step 10, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement: step 10, image 2 of 2
    • Remove the upper belt guide from the pulley.

  11. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the left pulley: step 11, image 1 of 1
    • Use a 1/2 inch socket to remove the left pulley bolt

  12. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement: step 12, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement: step 12, image 2 of 2
    • Remove the pulley bolt and washer.

  13. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement: step 13, image 1 of 3 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement: step 13, image 2 of 3 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement: step 13, image 3 of 3
    • Remove the left pulley.

    • Remove the bushing from the pulley.

  14. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the belt from the left sprocket: step 14, image 1 of 3 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the belt from the left sprocket: step 14, image 2 of 3 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the belt from the left sprocket: step 14, image 3 of 3
    • 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.

  15. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement, Remove the belt guide: step 15, image 1 of 1
    • Use a 3/8 inch socket to remove the two screws securing the belt guide.

  16. Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement: step 16, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Motor Belt Guide Replacement: step 16, image 2 of 2
    • Remove the belt guide.

Conclusion

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

One other person completed this guide.

Carsten Frauenheim

Member since: 03/10/20

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