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BladeControl
• Lubricate the pivot points on the blade control and
the brake cable at least once a season with light oil.
The blade control must operate freely in both
directions.
Engine
• Follow the engine manual instructions and
recommended schedule for lubricating engine
components.
BladeCare
• Periodically inspect the blade adapter and pulley
for cracks, especially if you strike aforeign object.
Replace when necessary.
_ WARNING" When removing the cutting
blade for sharpening or replacement, protect
hands by using heavy gloves or a thick rag to
grasp the cutting blade.
• Disconnect spark plug wire from spark plug.
• Turn mower on its side making sure that the air filter
and the carburetor are up.
To RemoveBlade:
• Remove the hex bolt which holds the blade
adapter-pulley assembly to the engine crankshaft.
See Figure 10. Remove the pulley assembly and
the bell support from the crankshaft.
Remove blade from the blade adapter and pulley.
To ReplaceBlade:
• Before reinstalling the blade-pulley assembly to the
unit, lubricate the engine crankshaft and the inner
surface of the blade adapter with light oil.
• Also lubricate the bolt hole and the hex bolt.
• Insert the hex bolt, earlier removed, through the
center holes on the blade bell support and the
blade adapter-pulley assembly respectively.
• Install the blade assembly on the crankshaft.
Tighten the hex bolt to the recommended torque.
Blade Mounting Torque:
Center bolt: 450 in.lbs, minimum, 600
in.lbs, maximum.
To Sharpen Blade:
• The blade can be sharpened with a file or on a
grinding wheel. Do not attempt to sharpen the
blade while it is still on the mower.
• Follow the original angle of grind as a guide. Make
sure that each cutting edge receives an equal
amount of grinding to prevent an unbalanced blade.
NOTE: An unbalanced blade will cause excessive
vibration when rotating at high speeds, may cause
damage to the mower and could break, causing
personal injury. Test the blade by balancing # on a
round shaft screwdriver or a blade balancer.
• If the blade is not balanced, remove metal from the
heavy side until it balances evenly.
BladJ
.,_ Adapter-Pulley
Assembly
Blade Bell
Support _
Hex Bolt
Figure 10
12
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