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6

3352-942 Rev B

Filling the Fuel Tank

Fill the fuel tank with fresh unleaded regular gasoline

from a major name-brand service station.

Important

: To reduce starting problems, add fuel

stabilizer to the fuel all season, mixing it with gasoline

less than 30 days old.

1/2 in. (1 cm)

m-7951/m-5570

m-7951

Checking the Engine Oil

Level

1.

Remove the dipstick, wipe it clean, and fully

install the dipstick.

m-7951

m-7951/m-5571

2.

Remove the dipstick and check the oil level. If the

oil level is below the 

Add

 mark on the dipstick,

slowly

 pour oil into the oil fill tube to raise the oil level

to the 

Full

 mark on the dipstick. 

Do not overfill.

(Max. fill: 20 oz., type: SAE 30W detergent oil with an

API service classification of SF, SG, SH, SJ, SL, or

higher.)

3.

Install the dipstick.

Adjusting the Cutting Height

Warning

Adjusting the cutting height may bring you into contact with the moving blade, causing

serious injury.

S

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

S

Do not put your fingers under the housing when adjusting the cutting height.

Caution

If the engine has been running, the muffler will be hot and can severely burn you.
Keep away from the hot muffler.

Adjust the cutting height

as desired. Set all four

wheels to the same

height.

Note:

 To  raise the

mower, move all 4 cutting

height levers forward; to

lower the mower, move

them rearward.

m-7922

m-7951

Summary of Contents for Insight 10685

Page 1: ...moderate injury if you do not follow the recommended precautions This manual uses two other words to highlight information Important calls attention to special mechanical information and Note emphasi...

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

Page 3: ...tight to be sure the equipment is in safe working condition Never tamper with safety devices Check their proper operation regularly Keep machine free of grass leaves or other debris build up Clean up...

Page 4: ...verview 9 3 2 10 1 4 7 11 8 5 6 m 7949 1 Spark plug 2 Oil fill Dipstick not shown 3 Recoil start handle 4 Blade control bar 5 Upper handle 6 Upper handle knob 7 Fuel tank cap 8 Foot lever 9 Air filter...

Page 5: ...l 20 oz type SAE 30W detergent oil with an API service classification of SF SG SH SJ SL or higher 3 Install the dipstick securely Important Change the engine oil after the first 2 operating hours chan...

Page 6: ...level to the Full mark on the dipstick Do not overfill Max fill 20 oz type SAE 30W detergent oil with an API service classification of SF SG SH SJ SL or higher 3 Install the dipstick Adjusting the Cu...

Page 7: ...will not start unless the mulch plug or grass bag is properly in place Starting the Engine 1 Firmly push the primer bulb in 3 times with your thumb holding it in for a second before releasing it each...

Page 8: ...on the mower remove it refer to Removing the Grass Bag on page 9 before mulching the clippings If the side discharge chute is on the mower remove it and lock the side discharge door refer to Removing...

Page 9: ...n you pull the recoil start handle 3 Insert the grass bag handle into the grooves at the top of the mower m 7957 Removing the Grass Bag 1 Route the starter rope around the lower rope guide m 7958 2 Li...

Page 10: ...e disconnect the wire from the spark plug and examine the mower for damage For best performance install a new blade before the cutting season begins Replace the blade when necessary with a Lawn Boy re...

Page 11: ...cedures Maintenance Service Interval Maintenance Procedure Each Use Check the engine oil level Refer to Checking the Engine Oil Level on page 6 Remove grass clippings and dirt from under the housing R...

Page 12: ...aner Replace the air filter yearly replace it more frequently in dusty operating conditions Refer to Preparing for Maintenance on page 12 1 Rotate the air filter cover to remove it 2 Replace the air f...

Page 13: ...the outer plastic end of the inner handle m 7960 m 7961 Note Use the straw that comes with the spray can to direct the spray 2 Push the upper handle fully down and spray the inner plastic surface of t...

Page 14: ...s personal injury Wear cloth or leather gloves when servicing the blade 1 Disconnect the spark plug wire from the spark plug Refer to Preparing for Maintenance on page 12 2 Tip the mower onto its side...

Page 15: ...spark plug hole and pull the starter rope slowly several times to distribute oil throughout the cylinder to prevent cylinder corrosion during the off season 7 Loosely install the spark plug 8 Tighten...

Page 16: ...that your Lawn Boy product contains a defect in materials or workmanship follow this procedure 1 Contact any Lawn Boy Authorized or Master Service Dealer to arrange service at their dealership To loc...

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