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16
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 SHARPENIN
Figure 5
• When removing the cutting blade for sharpening or replacement, protect hands by using heavy gloves
or a rag before grabbing the blade.
• Remove the blade bolt and bell washer to allow the blade and adapter to slide off 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 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 and blade adapter onto engine crankshaft.
• Replace blade bolt and bell washer.
• Tighten blade 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 BOLT
(Engine Brake
Control Models)
BLADE BOLT
(Blade Brake
Control Models)