MTD Engine - Series 350/450/650
12
5.65. An imbalanced or bent blade (sometimes in
accompanied by a bent crankshaft) creates
vibration.
• This vibration makes the mower unpleasant to
use and will damage the mower.
• Typical complaints include parts falling-off.
• In extreme cases the engine crankcase or
mower deck may crack or separate from each
other.
CAUTION: Continued operation with a damaged
blade or crankshaft will create safety issues.
CAUTION: Under NO CIRCUMSTANCES
should a blade or crankshaft be straightened
and re-used. Any dealer or operator who does
so is subjecting themselves to extreme risk of
injury and liability.
NOTE: Impact damage to the blade and/or
crankshaft is not warrantable except as a victim
part of a specific failure of the damaged mower.
Examples would be a baffle or axle from the
damaged mower coming loose and contacting
the blade.
NOTE: Secondary vibration damage is not war-
rantable. A customer who continues to operate
a mower with a damaged blade or crankshaft
does so at their own risk.
5.66. Impact damage to the blade or crankshaft is
often accompanied by impact damage to the fly-
wheel or key. Flywheel and flywheel key dam-
age are not warrantable, and will be considered
abuse unless there is very specific evidence of a
defect in material or workmanship on the part of
MTD.
5.67. Use of non-OEM blades, blade adaptors, and
hardware is not recommended for MTD mowers.
5.68. When it is necessary to tilt the mower, tilt it so
that the carburetor is up. When tilting to the side,
this will place the dipstick toward the ground.
The mower may also be positioned on the bench
as shown below, if the fuel tank is empty or the
fuel cap is sealed. See Figure 5.68.
CAUTION: Disconnect the high tension lead
from the spark plug and ground the lead before
doing any work that exposes the blade.
5.69. If the blade is removed for any reason, make a
visual inspection of all blade mounting hardware.
See Figure 5.69.
CAUTION: At no time should any part of the
body be placed in the path that the blade would
follow if it were to rotate.
Figure 5.68
Empty fuel
tank, or seal
fuel cap with
plastic wrap
between cap
and threads
Figure 5.69
Blade
Belleville
blade
support
Blade bolt
Blade
adaptor
www.mymowerparts.com
For Discount White Outdoor Parts Call 606-678-9623 or 606-561-4983
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