Section 9: Maintenance - MTD 310 series Owner's Manual

SECTION 9: MAINTENANCE
LUBRICATION
(Refer to figure 18.)
WARNING:
Always stop engi le and
disconnect spark plug wire before cleaning,
lubricating or doing any kind of worm on lawn
mowe r.
Lubricate the pivot points on the blade contr)l handle
and the brake cable at least once a season with light
oil. See figure 18. The blade control mus' operate
freely in both directions.
ENGINE
Follow engine manual for lubrication instructions.
_k 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.
CUTTING BLADE
WARNING:
Periodically inspect the blade
adapter for cracks, especially if you strike a
foreign object. Replace when
necessary.When removing the cutting blade
for sharpening or replacement, protect
hands by using heavy gloves or a rag to
grasp the cutting blade.
Figure 18
CHUTE DOOR
Lubricate the torsion spring and pkot point
periodically with light oil to prevent any rust ( r binding.
Door must work freely,
WHEELS
If your lawn mower has ball bearing wheels lubricate
at least once a season with light oil (or el lgine oil).
Also, if the wheels are removed for an'r reason,
lubricate the surface of the axle bolt and the inner
surface of the wheel.
TO REMOVE BLADE
° Remove the bolt and bell washer which hold
the blade and adapter to the engine crankshaft.
Remove the blade and adapter from the
crankshaft.
SHARPENING THE BLADE
• Follow the original angle of grind as a guide.
Make sure that each cutting edge receives an
equal amount of grinding to prevent an
unbalanced blade.
BALANCING THE BLADE
NOTE:
An unbalanced blade will cause excessive
vibration when rotating at high speeds, may cause
damage to the mower and could break, causing
personal injury.
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