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Using the Speed-Range
Control
Use the lever of the speed-range control to limit the
maximum ground speed of the machine for operations
that require a constant speed like spraying and top
dressing. The speed-range lever
to select 1 of the 4 work-speed ranges that are used
to limit maximum ground speed or a transport-speed
range that is used when you move the machine
between job sites.
Note:
You must release the accelerator pedal in
order to shift between speed ranges, but you do not
need to stop the machine in order to shift.
•
Move the speed-range lever into the detent for
speed ranges A, B, C, and D when precise control
of maximum-ground speed is desired.
•
Move the speed-range lever to the T (T
position by moving the speed-range lever out of
the detent for range A, B, C, or D, then forward to
the T (T
) position.
RANSPORT
Note:
Use the speed-range control to limit the
maximum ground speed in each range by 4 to 18
km/h (2.5 to 11 mph) with the transmission lever in
the L (L
F
) position or 8 to 32 km/h (5 to
OW
ORWARD
20 mph) with the transmission lever in the in the D
(D
) position.
RIVE
Figure 23
1. Speed-range lever
2. T (transport range)
3. D (high range)
(Figure
23) is used
RANSPORT
g024320
4. C (mid-high range)
5. B (mid-low range)
6. A (low range)
Using the Differential Lock
WARNING
Tipping or rolling the machine on a hill can
cause a serious injury.
• The extra traction available with the
differential lock can be enough to get you
into dangerous situations such as climbing
slopes that are too steep to turn around.
Be extra careful when operating with the
differential lock on, especially on steeper
slopes.
• If the differential lock is on when making a
sharp turn at a higher speed and the inside
rear wheel lifts off the ground, there may
be a loss of control, which could cause the
)
machine to skid. Use the differential lock
only at slower speeds.
CAUTION
Turning with the differential lock on can result
in loss of machine control. Do not operate
with differential lock on when making sharp
turns or at high speeds.
The differential lock increases the traction of the
machine by locking the rear wheels so that a wheel
does not spin out. This can help when you have
heavy loads to haul, on wet turf or slippery areas,
going up hills, and on sandy surfaces. It is important
to remember that this extra traction is only for
temporary, limited use. Its use does not replace the
safe operation already discussed concerning steep
hills and heavy loads.
The differential lock causes the rear wheels to spin
at the same speed. When using the differential lock,
your ability to make sharp turns is somewhat restricted
and may scuff the turf. Use the differential lock only
when needed and at slower speeds.
Note:
Machine motion plus a slight turn is required to
engage or disengage differential lock.
•
Press the differential-lock switch up to lock the
differential
(Figure
Note:
The light in the differential-lock switch
illuminates when the switch is in the lock position.
•
Press the differential-lock switch up to unlock the
differential
(Figure
26
24).
24).
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