background image

Figure 23

3.

Install the battery cover.

Replacing the Blade

Service Interval:

Yearly

Important:

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 blade whenever you run out of gasoline. If the
blade is damaged or cracked, replace it immediately. If the
blade edge is dull or nicked, have it sharpened or replace it.

WARNING

The blade is sharp; contacting the blade can result
in serious personal injury.

Disconnect the wire from the spark plug.

Wear gloves when servicing the blade.

1.

Disconnect the spark-plug wire from the spark plug.
Refer to Preparing for Maintenance (page 12).

2.

Tip the machine onto its side, with the air filter up.

3.

Use a block of wood to hold the blade steady.

4.

Remove the blade (turn the blade bolt
counterclockwise), saving all the mounting
hardware.

5.

Install the new blade (turn the blade bolt clockwise)
and all mounting hardware (Figure 24).

Figure 24

Important:

Position the curved ends of the blade

to point toward the machine housing.

6.

Use a torque wrench to tighten the blade bolt to 82
N-m (60 ft-lb).

Important:

A bolt torqued to 82 N-m (60 ft-lb) is

very tight. While holding the blade with a block
of wood, put your weight behind the ratchet or
wrench and tighten the bolt securely. This bolt is
very difficult to overtighten.

15

Summary of Contents for 10730

Page 1: ...rly and safely You may contact Lawn Boy directly at www Lawn Boy com for product and accessory information help finding a dealer or to register your product Whenever you need service genuine Lawn Boy...

Page 2: ...Starting the Engine 9 Using the Self propel Drive Self propel models only 10 Stopping the Engine 10 Mulching the Clippings 10 Bagging the Clippings 10 Operating Tips 11 Maintenance 12 Recommended Main...

Page 3: ...rain could cause a slip and fall accident Tall grass can hide obstacles Do not mow on wet grass or excessively steep slopes Poor footing could cause a slip and fall accident Do not mow near drop offs...

Page 4: ...a caution when servicing them Do not change the engine governor setting or overspeed the engine Maintain or replace safety and instruction labels as necessary To best protect your investment and maint...

Page 5: ...plug wire and 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...

Page 6: ...coil starter Rope in the Rope Guide Important To start the engine safely and easily whenever you use the machine install the recoil starter rope in the rope guide Hold the blade control bar to the upp...

Page 7: ...high and you run the engine you may damage the engine 6 Install the dipstick securely Important Change the engine oil after the first 5 operating hours change it yearly thereafter Refer to Changing th...

Page 8: ...roved for use Never use gasoline that contains more than 10 ethanol by volume such as E15 contains 15 ethanol E20 contains 20 ethanol or E85 contains up to 85 ethanol Using unapproved gasoline may cau...

Page 9: ...height levers as shown in Figure 9 Figure 9 1 Raise the machine 2 Lower the machine Important The cutting height settings are 32 mm 1 1 4 inches 44 mm 1 3 4 inches 57 mm 2 1 4 inches 70 mm 2 3 4 inch...

Page 10: ...Figure 15 Mulching the Clippings Your machine comes from the factory ready to mulch the grass and leaf clippings back into the lawn If the grass bag is on the machine remove it before mulching the cl...

Page 11: ...Adjusting the Cutting Height page 9 When cutting grass over 15 cm 6 inches tall mow at the highest cutting height setting and walk slower then mow again at a lower setting for the best lawn appearanc...

Page 12: ...ore annual storage Yearly Change the engine oil Replace the blade or have it sharpened more frequently if the edge dulls quickly Refer to your Engine Operator s Manual for any additional yearly mainte...

Page 13: ...e by pulling gently on the upper corners of the cover If the cover comes loose repeat steps 4 and 5 Changing the Engine Oil Service Interval After the first 5 hours Yearly Run the engine a few minutes...

Page 14: ...arger to the wire harness located below the ignition key Figure 21 Figure 21 2 Plug the charger into a wall outlet Note When the battery no longer holds a charge recycle or dispose of the lead acid ba...

Page 15: ...when servicing the blade 1 Disconnect the spark plug wire from the spark plug Refer to Preparing for Maintenance page 12 2 Tip the machine onto its side with the air filter up 3 Use a block of wood to...

Page 16: ...ar 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 machine may creep when you disengage the bar Cleaning the Under...

Page 17: ...lug and tighten it with a torque wrench to 20 N m 15 ft lb 8 Tighten all nuts bolts and screws 9 Charge the battery for 24 hours then unplug the battery charger an store the machine in an unheated are...

Page 18: ...Notes 18...

Page 19: ...Notes 19...

Page 20: ...rts such as filters fuel lubricants oil changes spark plugs air filters blade sharpening or worn blades cable linkage adjustments or brake and clutch adjustments Components failing due to normal wear...

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