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5
Installing the Mulching
Blades
Parts needed for this procedure:
3
Mulching blade
Procedure
Install the mulching blades and mower deck on the
machine; refer to the Operator's Manual for the
machine.
Torque the bolts to 136 to 149 N∙m (100 to 110 ft-lb).
Operation
Operating Tips
Using the Fast Throttle Setting
For best mowing and maximum air circulation, operate
the engine at the F
AST
thoroughly cut grass clippings, so do not set the height
of cut so low as to totally surround the mower in uncut
grass. Always try to have 1 side of the mower free
from uncut grass, which allows air to be drawn into
the mower.
Cutting a Lawn for the First Time
Cut grass slightly longer than normal to ensure that
the cutting height of the mower does not scalp any
uneven ground. However, the cutting height used
in the past is generally the best one to use. When
cutting grass longer than 15 cm (6 inches) tall, cut the
lawn twice to ensure an acceptable quality of cut.
Cutting a Third of the Grass Blade
Cut only about a third of the grass blade. Cutting more
than that is not recommended unless grass is sparse,
or it is late fall when grass grows more slowly.
Alternating the Mowing Direction
Alternate the mowing direction to keep the grass
standing straight. This also helps disperse clippings
which enhances decomposition and fertilization.
position. Air is required to
Mowing at Correct Intervals
Grass grows at different rates at different times of
the year. To maintain the same cutting height, mow
more often in early spring. As the grass growth rate
slows in mid summer, mow less frequently. If you
cannot mow for an extended period, first mow at a
high cutting height, then mow again 2 days later at a
lower height setting.
Using a Slower Cutting Speed
To improve cut quality, use a slower ground speed
in certain conditions.
Avoiding Cutting Too Low
When mowing uneven turf, raise the cutting height
to avoid scalping the turf.
Stopping the Machine
If you must stop the forward motion of the machine
while mowing, a clump of grass clippings may
drop onto your lawn. To avoid this, move onto a
previously cut area with the blades engaged or you
can disengage the mower deck while moving forward.
Keeping the Underside of the
Mower Clean
Clean clippings and dirt from the underside of the
mower after each use. If grass and dirt build up inside
the mower, cutting quality will eventually become
unsatisfactory.
Maintaining the Blade(s)
Maintain a sharp blade throughout the cutting season
because a sharp blade cuts cleanly without tearing or
shredding the grass blades. Tearing and shredding
turns grass brown at the edges, which slows growth
and increases the chance of disease. Check the
mower blades after each use for sharpness, and
for any wear or damage. File down any nicks and
sharpen the blades as necessary. If a blade is
damaged or worn, replace it immediately with a
genuine Toro replacement blade.
4
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