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Important:

When you release the blade control bar,

the blade should stop within 3 seconds. If it does not
stop properly, stop using your mower immediately and
contact an Authorized Service Dealer.

Checking the Blade Brake

Clutch Operation

Check the control bar before each use to ensure that the
blade brake clutch system is operating properly.

Using the Grass Bag

You can use the grass bag to perform an additional test to
check the blade brake clutch mechanism.

1. Install the empty grass bag on the mower.

2. Start the engine.

3. Engage the blade.

Note:

The bag should begin to inflate, indicating that

the blade is engaged and rotating.

4. Release the blade control bar.

Note:

If the bag does not immediately deflate, the

blade is still rotating. The blade brake clutch mechanism
may be deteriorating and, if ignored, could result in an
unsafe operating condition. Have the mower inspected
and serviced by an Authorized Service Dealer.

5. Stop the engine and wait for all moving parts to stop.

Not Using the Grass Bag

1. Move the mower onto a paved surface in a non-windy

area.

2. Set all 4 wheels to the 3 inch (76 mm) cut setting.

3. Take a half sheet of newspaper and crumple it into a ball

small enough to go under the mower housing (about 3
inches or 76 mm in diameter).

4. Place the newspaper ball about 5 inches (13 cm) in front

of the mower (Figure 28).

Figure 28

5. Start the engine.

6. Engage the blade.

7. Release the blade control bar.

8. Immediately push the mower over the newspaper ball.

9. Stop the engine and wait for all moving parts to stop.

10. Go to the front of the mower and check the newspaper

ball.

Note:

If the newspaper ball did not go under the

mower, repeat steps through 10.

11. If the newspaper is unravelled or shredded, the blade

did not stop properly, which could result in an unsafe
operating condition. Contact an Authorized Service
Dealer.

Stopping the Engine

Move the throttle to the Off position (Figure 29).

Figure 29

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 (refer to
Removing the Grass Bag) before mulching the clippings. If
the side discharge chute is on the mower, remove it and
lock the side discharge door (refer to Removing the Side
Discharge Chute) before mulching the clippings.

Important:

The mower has a safety switch that

prevents you from starting the mower unless you first
install the mulch plug securely on the mower (Figure
30).

Install the mulch plug as illustrated in Figure 30.

10

Summary of Contents for 10797

Page 1: ...uipped with a spark arrester muf er It is a violation of California Public Resource Code Section 4442 to use or operate the engine on any forest covered brush covered or grass covered land Other state...

Page 2: ...ting the engine If the machine should start to vibrate abnormally stop the engine and check for the cause immediately Vibration is generally a warning of trouble Always wear eye protection when operat...

Page 3: ...achine free of grass leaves or other debris build up Clean up oil or fuel spillage and remove any fuel soaked debris Allow machine to cool before storing If you strike a foreign object stop and inspec...

Page 4: ...king the level with the dipstick until the dipstick indicates that the engine is full as illustrated in Figure 5 Do not over ll Max ll 0 58 quart 0 55 l type SAE 30W detergent oil with an API service...

Page 5: ...top of the mulch plug lever must lie fully in the bottom of the channel Figure 6 Figure 6 1 Top of mulch plug lever in switch channel 1 Insert the mulch plug into the mower if it isn t already install...

Page 6: ...burn you and others To prevent a static charge from igniting the gasoline place the container and or mower directly on the ground before lling not in a vehicle or on an object Fill the tank outdoors w...

Page 7: ...l out of it as directed in Changing the Engine Oil 3 Install the dipstick securely Adjusting the Cutting Height Adjusting the cutting height may bring you into contact with the moving blade causing se...

Page 8: ...h that prevents you from starting the mower unless you rst install the mulch plug or the grass bag securely on the mower 1 Install the mulch plug Figure 18 or the grass bag Figure 19 on the mower Figu...

Page 9: ...24 1 Nudge here Note If when backing up after self propelling the mower does not roll backward freely nudge the mower forward about an inch or two without engaging the self propel drive Figure 24 the...

Page 10: ...ple it into a ball small enough to go under the mower housing about 3 inches or 76 mm in diameter 4 Place the newspaper ball about 5 inches 13 cm in front of the mower Figure 28 Figure 28 5 Start the...

Page 11: ...d install a new Lawn Boy replacement bag The blade is sharp contacting the blade can result in serious personal injury Stop the engine and wait for all moving parts to stop before leaving the operatin...

Page 12: ...ppings Important The mower has a safety switch that prevents you from starting the mower unless you rst install the mulch plug securely on the mower refer to Mulching the Clippings Installing the Side...

Page 13: ...dry grass or leaves Wet grass and leaves tend to clump on the yard and can cause the mower to plug or the engine to stall Wet grass or leaves can cause serious injury if you slip and contact the blad...

Page 14: ...any additional yearly maintenance procedures Important Refer to your Engine Operator s Manual for additional maintenance procedures Preparing for Maintenance 1 Stop the engine and wait for all moving...

Page 15: ...ance procedures refer to Preparing for Maintenance 2 Turn the fuel valve to the Off position to prevent any fuel leakage 3 Remove the dipstick Figure 44 Figure 44 4 Tip the mower onto its side with th...

Page 16: ...ng the Self propel Drive If your mower does not self propel properly adjust the self propel drive cable 1 Loosen the nut on the cable mount Figure 49 Figure 49 1 Cable mount 2 Pull the upper handle ba...

Page 17: ...spark plug Refer to Preparing for Maintenance 2 Tip the mower onto its side with the air lter up 3 Remove the 2 blade nuts and the stiffener Figure 52 Figure 52 1 Blade nuts 2 Stiffener 4 Remove the...

Page 18: ...mower to a dry area 3 Run the engine for a few minutes to dry the housing to prevent it from rusting Storage Store the mower in a cool clean dry place Preparing the Mower for Storage Gasoline vapors...

Page 19: ...ot pedal and hold it down 2 Move the handle all the way forward and loosen the upper handle knob Figure 57 Figure 57 3 To unfold the handle refer to Unfolding the Handle Removing the Mower from Storag...

Page 20: ...btaining Warranty Service If you think that your Lawn Boy product contains a defect in materials or workmanship follow this procedure 1 Contact any Authorized Lawn Boy Service Dealer to arrange servic...

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