MacDon 9250 SP - Manual (Page 37)

Form # 46584 Issue 11/06 Web Rev_01 35
OPERATION
Driving the Windrower (continued)
TO DRIVE FORWARD:
1. After starting engine, release park brake.
2. Dual Speed Units: For field operation, set
speed-range switch (A) to position L. For road
speeds, set control to position H.
3. Slowly push throttle lever (C) to full forward
(operating speed).
IMPORTANT:
• Return throttle lever (C) to low idle position
before engaging header drives.
• For field operation, always operate windrower
with speed-range control in field position and
throttle lever fully forward (maximum engine
RPM). Use controls to vary ground speed, reel
speed and conveyor speed. All systems are
designed for efficient operation at maximum
engine RPM.
CAUTION: Check again to be sure all
bystanders have cleared the area.
4. Slowly move variable ground speed lever (D)
forward to desired speed.
CAUTION: Operate both steering
wheel and variable speed lever
slowly for familiarization. Remember
that steering is more sensitive when
speed-range control is in Road Speed Position.
Avoid the common tendency of new operators
to over-steer.
5. In situations where more tractive (lugging)
power is required, for example, driving up a
ramp, up a hill, or up out of a ditch:
Be sure speed-range control is in field position
and move the variable speed lever towards
neutral. The effect of this is similar to down-
shifting a standard transmission, increasing
torque at the drive wheels.
A
SPEED-RANGE CONTROL
C
D
CONTROL LEVERS - DRIVING FORWARD