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17
DECK
The underside of the mower deck should be cleaned after each use to prevent a buildup of grass clippings,
leaves, dirt or other matter. If this debris is allowed to accumulate, it will invite rust and corrosion, and may
prevent proper mulching, discharge or bagging.
The deck may be cleaned by tilting the mower and scraping clean with a suitable tool (make certain the spark
plug wire is disconnected).
CUTTING BLADE REMOVAL, REPLACEMENT AND SHARPENING
Figure 10
• When removing the cutting blade for sharpening or replacement, protect hands by using heavy gloves
or a rag before grabbing the blade.
• Remove the bolt and blade bell support which hold the blade and adapter to the engine crankshaft.
• Remove the blade and adapter from the crankshaft.
WARNING: Periodically inspect the blade adapter for cracks, especially if you strike a foreign
object. Replace when necessary.
When sharpening the blade, follow the original angle of grind as a guide. It is extremely important that each
cutting edge receives an equal amount of grinding to prevent an unbalanced blade. An unbalanced blade will
cause excessive vibration when rotating at high speeds. It may cause damage to the mower, and it could
break causing personal injury.
The blade can be tested by balancing it on a round shaft screwdriver. Remove metal from the heavy side
until it balances evenly. It is recommended that the blade always be removed from the adapter for the when
testing for balance.
Before reinstalling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner
surface of the blade adapter with light oil.
• Be sure to install the blade with the side of the blade marked “Bottom” (or with part number) facing the
ground when the mower is in the operating position.
• Slide blade adapter onto engine crankshaft.
• Place blade on adapter. Be certain the blade is aligned with and seated onto the blade adapter
flanges.
• Place blade bell support on blade. Make sure the notches on the blade bell support are aligned with
the small hole in the blade.
• Replace hex bolt.
• Tighten hex bolt to torque: 450 in. lbs. min., 600 in. lbs. max.
NOTE: To ensure safe operation of your unit, the blade bolt must be checked periodically for correct torque.
TROUBLE SHOOTING
Refer to the trouble shooting section of this manual for helpful information.
Blade Adapter
Hex Bolt
Blade Bell Support