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14
SECTION 9: LUBRICATION
WARNING: Always stop engine and
disconnect spark plug wire before
cleaning, lubricating or doing any kind of
work on lawn mower.
Figure 19
Blade Control: Lubricate the pivot points on the
blade control handle and the brake cable at least
once a season with light oil. See Figure 19. The
blade control must operate freely in both directions.
Rear Discharge Door: The torsion springs and
pivot points should be lubricated periodically with
light oil to prevent any rust or binding. Door must
work freely.
Wheels: The wheels require no lubrication.
However, if the wheels are removed for any reason,
lubricate the surface of the axle bolt and the inner
surface of the wheel with light oil. Engine oil may
also be used.
Engine: Follow engine manual for lubrication
instructions.
SECTION 10: MAINTENANCE
WARNING: Be sure to disconnect
and ground the spark plug wire before
performing any repairs or maintenance.
NOTE: When tipping the unit, empty the fuel tank
and keep engine spark plug side up.
TROUBLE SHOOTING
Refer to page 16 of this manual for trouble shooting
information.
CUTTING BLADE
When removing the cutting blade for sharpening or
replacement, protect hands by using heavy gloves
or a rag to grasp the cutting blade. Remove the bolt
and blade support or bell washer 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 grind-
ing to prevent an unbalanced blade. An unbalanced
blade will cause excessive vibration when rotating at
high speeds, may cause damage to the mower and
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
best test of balance.
Before reassembling the blade and the blade adapter
to the unit, lubricate the engine crankshaft and the
inner surface of the blade adapter with light oil (or
engine oil). Lubricating the bolt holes, bolts and inner
surface of the nuts is also recommended.
BLADE MOUNTING
Figure 20
Blade
Control Handle
Blade
Control Handle
Pivot
Point
Blade Adaptor
Blade
Blade
Bell
Support
Hex Bolt