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Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement

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

Introduction

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

What you need

  1. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Disconnect the spark plug wire: step 1, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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.

    Edit

  2. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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.

    Edit

  3. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Lift up the deflector: step 3, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Lift up the deflector: step 3, image 2 of 2

    • Lift up the plastic deflector.

    Edit

  4. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the grass bag: step 4, image 1 of 3 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the grass bag: step 4, image 2 of 3 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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.

    Edit

  5. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the belt guard bolts: step 5, image 1 of 3 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the belt guard bolts: step 5, image 2 of 3 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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

    Edit

  6. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the belt guard: step 6, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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.

    Edit

  8. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Loosen the belt tensioner: step 7, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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.

    Edit

  9. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the pulley plug cap: step 8, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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.

    Edit

  10. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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.

    Edit

  11. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 10, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 10, image 2 of 2

    • Remove the upper belt guide from the pulley.

    Edit

  12. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the left pulley: step 11, image 1 of 1

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

    Edit

  13. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 12, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 12, image 2 of 2

    • Remove the pulley bolt and washer.

    Edit

  14. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 13, image 1 of 3 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 13, image 2 of 3 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 13, image 3 of 3

    • Remove the left pulley.

    • Remove the bushing from the pulley.

    Edit

  15. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the belt from the left sprocket: step 14, image 1 of 3 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the belt from the left sprocket: step 14, image 2 of 3 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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.

    Edit

  16. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover 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.

    Edit

  17. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 16, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 16, image 2 of 2

    • Remove the belt guide.

    Edit

  18. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement, Remove the air cleaner cover: step 17, image 1 of 1

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

    Edit

  19. Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 18, image 1 of 2 Toro Walk Behind Mowers 21199HD 2018 Air Cleaner Cover Replacement: step 18, image 2 of 2

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

    Edit
Conclusion

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

Author

with 1 other contributor

Carsten Frauenheim

Member since: 03/10/20

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