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Adjusting the Self-propel Drive
Cable

Self-propel models only

Whenever you install a new self-propel cable or if
the self-propel drive is out of adjustment, adjust the
self-propel drive cable.

1. Loosen the cable support nut (Figure 25).

Figure 25

1.

1 to 1-1/2 inches (25 to 38
mm)

4.

Cable support nut

2.

Self-propel drive bar

5.

Cable support

3.

Cable jacket

2. Hold the self-propel bail 1 to 1-1/2 inches (25 to 38

mm) from the handle (Figure 25).

3. Pull down the cable jacket (toward the mower) until

there is no slack in the cable (Figure 25).

4. Tighten the nut on the cable support.

5. Release the self-propel drive bar and ensure that the

cable is loose.

Note:

The cable must be loose with the self-propel

drive bar in the released position; otherwise, the
mower may creep when the bar is disengaged.

Cleaning the Mower

Service Interval:

Before each use or daily

The mower may dislodge material from under
the mower housing.

Wear eye protection.

Stay in the operating position (behind the
handle).

Do not allow bystanders in the area.

1. With the engine running on a flat paved surface,

spray a stream of water in front of the

right

rear

wheel (Figure 26).

The water will splash into the path of the blade,
cleaning out the clippings.

Figure 26

2. When no more clippings come out, stop the water

and move the mower to a dry area.

3. Run the engine for a few minutes to dry the housing

to prevent it from rusting.

14

Summary of Contents for 10640

Page 1: ...an Authorized Service Dealer or Lawn Boy Customer Service and have the model and serial numbers of your product ready Figure 1 identifies the location of the model and serial numbers on the product W...

Page 2: ...nd follow all instructions on the machine and in the manual s before starting Do not put hands or feet near or under the machine Keep clear of the discharge opening at all times Only allow responsible...

Page 3: ...fill containers inside a vehicle or on a truck or trailer bed with a plastic liner Always place containers on the ground away from your vehicle before filling Remove gas powered equipment from the tr...

Page 4: ...read the instructions before servicing or performing maintenance 4 Cutting dismemberment hazard of hand or foot mower blade stay away from moving parts and keep all guards and shields in place 5 Cutt...

Page 5: ...th oil in the engine but it does come with a bottle of oil 1 Remove the dipstick Figure 4 Figure 4 2 Slowly pour oil into the oil fill tube until the oil level reaches the Full line on the dipstick Fi...

Page 6: ...gnition key electric start models only 3 Air filter 10 Grass bag 4 Fuel tank cap 11 Battery electric start models only 5 Oil fill Dipstick 12 Cutting height levers 4 6 Recoil start handle 13 Battery c...

Page 7: ...or daily 1 Remove the dipstick wipe it clean and fully install the dipstick Figure 9 Figure 9 2 Remove the dipstick and check the oil level Figure 9 If the oil level is below the Add mark on the dipst...

Page 8: ...Engine 1 Firmly push in the primer 3 times with your thumb holding the primer in for a second before releasing it each time models 10643C and 10644C only Figure 11 Figure 11 Note If the air temperatu...

Page 9: ...uthorized Service Dealer Figure 16 Mulching the Clippings Your mower comes from the factory ready to mulch the grass and leaf clippings back into the lawn If the grass bag is on the mower remove it re...

Page 10: ...n appearance If the grass is too long the mower may plug and cause the engine to stall Mow only dry grass or leaves Wet grass and leaves tend to clump on the yard and can cause the mower to plug or th...

Page 11: ...dulls quickly Refer to your Engine Operator s Manual for any additional yearly maintenance procedures Important Refer to your Engine Operator s Manual for additional maintenance procedures Preparing f...

Page 12: ...s 1 Perform the pre maintenance procedures refer to Preparing for Maintenance 2 Remove the dipstick Figure 21 Figure 21 3 Tip the mower onto its side with the dipstick down to drain the used oil out t...

Page 13: ...mportant You will need a torque wrench to install the blade properly If you do not have a torque wrench or are uncomfortable performing this procedure contact an Authorized Service Dealer Examine the...

Page 14: ...pel drive bar and ensure that the cable is loose Note The cable must be loose with the self propel drive bar in the released position otherwise the mower may creep when the bar is disengaged Cleaning...

Page 15: ...corrosion during the off season 7 Loosely install the spark plug 8 Tighten all nuts bolts and screws 9 Charge the battery for 24 hours then unplug the battery charger an store the mower in an unheated...

Page 16: ...tarting difficulties due to the following Failure to follow proper maintenance procedures Rotary mower blade striking an object Contaminants in the fuel system Improper fuel consult your Operator s Ma...

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