Servicing Your Lawn Mower - Yard-Man 440 Series Operator's Manual

21" self starter rear-discharge lawn mower
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Pivot Points
Lubricate the pivot points on the blade control
handle, brake cable and the cutting height
adjustment lever at least once a season with light
oil. The blade control handle must operate freely in
both directions. The cutting height adjustment
levers should be able to move easily.
/
Lubricate
Figure 15
SECTION 8: SERVICING YOUR LAWNMOWER
,_
WARNING:
Be sure to disconnect
the
spark plug wire and DE-ENERGIZE
starter
before lubricating, repairing, or servicing. DO
NOT attempt any maintenance
or service to
the engine and/or mower equipped with the
safety key in the unlocked and/or energized
mode.
WARNING:
NEVER assume starter is de-
energized, even if the key is in the locked
position
and/or
removed from the engine.
ALWAYS
de-energize
self starter
prior to
performing any maintenance or service to the
engine and/or mower. Follow instructions on
the engine and/or
machine to de-energize
starter.
BladeCare
WARNING:
Periodically inspect the blade
adapter and pulley for cracks, especially if you
strike
a
foreign
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 bolt and the bell washer that hold the
blade-pulley assembly to the engine crankshaft.
See Figure 16. Remove the assembly from the
crankshaft.
Remove the two bolts and lock nuts from the blade
assembly.
Remove the blade from 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 holes, bolt and the inner
surface of the nuts.
14

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