Servicing Your Lawn Mower - MTD Yard-Man 12A-449T401 Operator's Manual

Pivot Points
Lubricatethe pivot points on the blade control
handle, brake cable and the cuttingheight
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.
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 pdor to
performingany maintenance or service to the
engine and/or mower. Follow instructionson
the engine and/or machine to de-energize
starter.
BladeCare
A
WARNING: Periodically inspect the blade
adapter and pulley for cracks, especially ifyou
strike a foreign object. Replace when
necessary.
_hb WARNING: When removing the cutting
blade for sharpening or replacement, protect
hands by using heavy gloves or a thick rag to
graspthe cuttingblade.
Disconnect spark plug wire from spark plug.
Turn mower on its side making sure that the air filter
and the carburetor are up.
To Remove Blade:
To
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.
Replace Blade:
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