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Adjusting the Anti-Scalp
Rollers
Machines with a 42-inch or 50-inch
Deck Only
Whenever you change the height of cut, adjust the
height of the anti-scalp rollers.
Note:
Adjust the anti-scalp rollers so that the rollers
do not touch the ground in normal, flat mowing areas.
1.
Disengage the blade-control switch (PTO), move
the motion-control levers to the P
and engage the parking brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Adjust the anti-scalp rollers as shown in
23
to match the closest height-of-cut position.
Figure 23
1. Anti-scalp roller
2. Bolt
position,
ARK
Figure
g010233
3. Flange nut
4. Hole spacing
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, you may want
to cut the lawn twice to ensure an acceptable quality
of cut.
Cutting a Third of the Grass Blade
It is best to 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.
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
22
position. Air is required to
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