
SEBU8213-04 65
Operation Section
Machine Operation
i03739620
Operation Information
SMCS Code: 7000
To prevent inj
ury, make sure that no people are
workingonthemachineornearthemachine.To
prevent injury, keep the machine under control at all
times.
Reduce machine speed when you maneuver in tight
quarters or
when you are going over a hill.
Select the necessary travel speed before you start
downhill.
When you go downhill, use the same speed that
wouldbeus
ed to go uphill.
Use the decele rator/brake pedal on a downgrade in
order to m
aintain a safe operating mode. Use the
following controls in order to slow down the travel
speed of the machine: decelerator/brake pedal and
buttons f
or speed control.
When the load will be pushing the machine, push
the spee
d selector to LOW speed before you start
downhill.
1. Adjust t
he operator's seat.
2. Fasten the seat belt.
3. Raise all lowered attachments in order to negotiate
any obstacles.
g01258916
Illustration 91
(1) Dece lerator/brake pedal
(2) Steering and transmission control (lever)
(3) P arking br ake switch
(4) Engine throttle control (knob)
(5) Winch control lever or r ipper control lever (if equipped)
4. Push down on pedal (1) in order to prevent the
machine from moving.
5. Move switch (3)
toward the operator to the
DISENGAGED position.
6. Turn knob (4) i
n order to set the desired engine
speed.
Note: The d ec
elerator/brake pedal can be depressed
in order to temporarily reduce travel speed.
7. Move lever (
2) for the desired direction.
8. Release pedal (1).
9. Roll the thumb wheel for the ground speed control
in order to set the desired ground speed. The
wheel for t
he ground speed control is located on
lever (2).
10. Drive the m
achine forward for best visibility and
for best control.
Hydrostatic Drive Operating
Principl
e
This machine has a hydrostatic drive system which
transfe
rs power from the engine to the tracks. The
hydrostatic drive system eliminates the conventional
type of transmission. The hydrostatic drive system
does not
use a bevel gear and a driveline. The
hydrostatic drive system also eliminates the steering
clutch and brake arrangement.
In the simplest form, a hydrostatic drive system is a
system which contains the following components: a
hydra
ulic pump with a control system, a hydraulic
motor, and high pressure lines that carry oil between
the components. The pump converts mechanical
power
to hydraulic power in the form of oil flow and
oil pressure.
To m e e
t requirements, the machine must be able to
move forward and rearward. The machine must also
be able to turn. The pumps are designed to deliver
vary
ing flows of oil to either the forward side or the
reverse side of the hydraulic motors.
The t
rack can be driven at varying speeds in either a
forward direction or in a reverse direction.
Sin
ce there are two tracks, there are two hydraulic
pumps, two sets of hydraulic lines, and two hydraulic
motors.