Difficulty
Moderate
Steps
13
Time Required
15 - 30 minutes
Sections
4
- Safety Precautions
- 2 steps
- Grass Bag
- 2 steps
- Belt Cover
- 2 steps
- Left Belt Pulley
- 7 steps
Flags
0
BackToro Walk Behind Mowers 21199HD (2018)
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Introduction
What you need
Step 1
Disconnect the spark plug wire
- 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.
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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Step 2
Chock the rear wheels
- 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.
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.
Step 3
Lift up the deflector
- Lift up the plastic deflector.
Lift up the plastic deflector.
Step 4
Remove the grass bag
- 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.
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.
Step 5
Remove the belt guard bolts
- 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
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
Step 6
Remove the belt guard
- Pull the belt guard straight off the front of the mower to remove it.
Pull the belt guard straight off the front of the mower to remove it.
Step 7
Loosen the belt tensioner
- 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.
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.
Step 8
Remove the pulley plug cap
- Use a flathead screwdriver to pry off the plastic plug cap.
- Remove the plug cap.
Use a flathead screwdriver to pry off the plastic plug cap.
Remove the plug cap.
Step 9
Remove the upper belt guide
- Use a 3/8 inch socket to remove the four bolts securing the upper belt guide to the pulley.
Use a 3/8 inch socket to remove the four bolts securing the upper belt guide to the pulley.
Step 10
- Remove the upper belt guide from the pulley.
Remove the upper belt guide from the pulley.
Step 11
Remove the left pulley
- Use a 1/2 inch socket to remove the left pulley bolt
Use a 1/2 inch socket to remove the left pulley bolt
Step 12
- Remove the pulley bolt and washer.
Remove the pulley bolt and washer.
Step 13
- Remove the left pulley.
- Remove the bushing from the pulley.
Remove the left pulley.
Remove the bushing from the pulley.
To reassemble your device, follow these instructions in reverse order.
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Author
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Carsten Frauenheim
Member since: 03/10/2020
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