604345 3-11 REV F
have additional sets of blades and change blades twice a day:
once in the morning and again at noon. Many problems with
incorrect cutting patterns are due to dull blades or blades which
have been sharpened incorrectly. Information on sharpening
blades is listed in this manual’s maintenance section. In
addition, most communities have individuals or companies
which specialize in sharpening mower blades. Blade sharpness
should be checked daily.
Use high blade speed. Your mower is designed to operate at
full throttle. The throttle setting directly controls blade speed.
The highest blade speed generally gives best cut.
When mowing a lawn for the first time cut grass slightly
longer than normal to avoid scalping uneven terrain. When
possible, it is best to use the cutting height that was used in the
past. When cutting grass taller than six inches, you may want to
mow the lawn twice to achieve a better quality of cut.
During normal mowing cut only about 1/3 of the grass
blade. Cutting more than that is not recommended unless grass
is sparse or it is the end of the mowing season.
Alternate mowing direction to keep the grass growing
straight and better dispersion of the clippings.
Remember, grass grows at different rates at different time
of the year. Mow more often in the early spring to maintain the
same cutting height. As the growth rate slows in mid summer,
mow less frequently. If you cannot mow at a regular interval,
mow at a high cutting height; then mow again two days later at a
lower cutting height.
Raise the cutting height of the mower if the cutting width of
the mower is wider than the previous mower. This ensures that
uneven turf is not cut too short.
Raise the cutting height of the mower if the grass if slightly
taller than normal or if it contains a high degree of moisture.
Then mow it again with the cutting height set lower.
IMPORTANT: If the machine’s forward motion must be
stopped 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.
Mower Deck Operation
IMPORTANT: The center deck and both side decks must be
in the mowing position before the deck clutch will engage the
deck drive belt.
Side deck transport mode
When transporting the mower with the side decks in the raised
position they must be locked in the raised position. To do this,
use the side deck lift switch to raise the decks to their highest
position. Then, manually pull the side decks inward until the
locking pin engages in the transport position.
NOTE: To lower the side decks to the mowing position it is
necessary to maintain pressure on the side deck lift switch until
the cylinders are extended fully. If the switch is released earlier,
the side discharge decks will not articulate downward fully.
To release the side decks from the transport position, pull up
on the locking pin and allow the side deck to pivot. Then, with
the operator in the seat, start the engine, and lower the side
decks to the mowing position using the side deck lift switch.
Never work with blades while engine is running or deck
clutch switch is engaged (on). Always place deck clutch
switch in the disengaged position, place steering control
levers in the park brake position and turn engine off and
disconnect negative battery cable. Block up mower when
you must work under it. Wear gloves when handling
blades. Always check for blade damage if mower strikes
rock, branch or other foreign object during mowing!
Figure 3-11
Never direct discharge of material from mower deck
towards bystanders. Do not operate the mower without
the rear discharge rubber flaps or power unit deflector
guard in place. Figure 3-11
Never attempt to make any adjustments to the mower
decks while the engine is running or with the deck drive
clutch engaged. Mower blades cannot be seen and are
located very close to deck housing. Fingers and toes can
be cut off instantly.
Rubber flaps
Deflector guard
Rubber flaps
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