Difficulty

Moderate

Steps

8

Time Required

                          10 - 15 minutes            

Sections

3

  • Safety Precautions
  • 2 steps
  • Grass Bag
  • 2 steps
  • Left Blade
  • 4 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

              Tilt the mower on its side               
  • Tilt the mower onto its side so the blades are facing out.
  • This may require two people.

Tilt the mower onto its side so the blades are facing out.

This may require two people.

Step 6

              Remove the blade bolt               
  • Use an impact driver with a 5/8-inch socket to remove the left blade bolt.
  • If necessary, brace the blade with a screwdriver or extension by placing it in the hole in the metal blade guard.

Use an impact driver with a 5/8-inch socket to remove the left blade bolt.

If necessary, brace the blade with a screwdriver or extension by placing it in the hole in the metal blade guard.

Step 7

              Remove the blade               
  • Remove the left blade.
  • When installing the new blade, ensure that it’s in the correct orientation and direction.

Remove the left blade.

When installing the new blade, ensure that it’s in the correct orientation and direction.

Step 8

              Remove the blade key adapter               
  • Remove the left blade key adapter.

Remove the left blade key adapter.

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

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Author

                                      with 1 other contributor 

                    Carsten Frauenheim                     

Member since: 03/10/2020

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