Toro 22198 Operator's Manual page 17

21in heavy-duty recycler/rear bagger lawn mower
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• Keep everyone, especially children and pets, away
from the area of operation.
• Avoid striking trees, walls, curbs, or other solid
objects. Never deliberately mow over any object.
• If the lawn mower strikes an object or starts to
vibrate, immediately stop the engine, disconnect the
wire from the spark plug, and examine the lawn
mower for damage.
• Maintain a sharp blade throughout the cutting
season. Periodically file down nicks on the blade.
• Replace the blade when necessary with an original
Toro replacement blade.
• Mow only dry grass or leaves. Wet grass and leaves
tend to clump on the yard and can cause the lawn
mower to plug or the engine to stall.
WARNING
Wet grass or leaves can cause serious injury if
you slip and contact the blade.
Mow only in dry conditions.
• Clean the underside of the lawn mower deck after
each mowing. See Cleaning the Underside of the
Lawn Mower Housing.
• Keep the engine in good running condition.
• Set the engine speed to the fastest position for the
best cutting results.
WARNING
Operating a lawn mower with its engine
running at a speed greater than the factory
setting can cause the lawn mower to throw a
part of the blade or engine into the operator's or
bystander's area and result in serious personal
injury or death.
– Do not change the engine speed setting.
– If you suspect the engine speed is faster
than normal, contact an Authorized Service
Dealer.
• Clean the air filter frequently. Mulching stirs up
more clippings and dust which clogs the air filter
and reduces engine performance.
Cutting Grass
• Grass grows at different rates at different times of
the year. In the summer heat, it is best to cut grass
at the 2 inch (51 mm), 2-1/2 inch (64 mm), or 3
inch (76 mm) cutting height settings. Cut only about
a third of the grass blade at a time. Do not cut
below the 2 inch (51 mm) setting unless the grass
is sparse or it is late fall when grass growth begins
to slow down.
• When cutting grass over 6 inches (15 cm) tall, first
mow at the highest cutting height setting and walk
slower; then mow again at a lower setting for the
best lawn appearance. If the grass is too long and
the leaves clump on top of the lawn, the lawn
mower may plug and cause the engine to stall.
• Alternate the mowing direction. This helps disperse
the clippings over the lawn for even fertilization.
If the finished lawn appearance is unsatisfactory, try
one or more of the following:
• Sharpen the blade.
• Walk at a slower pace while mowing.
• Raise the cutting height on your lawn mower.
• Cut the grass more frequently.
• Overlap cutting swaths instead of cutting a full
swath with each pass.
• Set the cutting height on the front wheels one
notch lower than the rear wheels. For example, set
the front wheels at 2 inches (51 mm) and the rear
wheels at 2-1/2 inches (64 mm).
Cutting Leaves
• After cutting the lawn, ensure that half of the lawn
shows through the cut leaf cover. You may need to
make more than one pass over the leaves.
• For light leaf coverage, set all the wheels at the same
cutting height setting.
• If there are more than 5 inches (12.7 cm) of leaves
on the lawn, set the front cutting height 1 or 2
notches higher than the rear cutting height. This
makes it easier to feed the leaves under the lawn
mower deck.
• Slow down your mowing speed if the lawn mower
does not cut the leaves finely enough.
• If you mow over oak leaves, you can add lime to
the grass in the spring to reduce the acidity of the
oak leaves.
17

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