Case 2050M Operator's Manual page 79

Turning the machine
1. Keep the machine in neutral for several seconds when
starting the machine. Change the gear in order to
move the machine in either forward or reverse
NOTE: The crawler dozer will not move unless the
engine speed is at approximately 1200 RPM or higher.
2. Push or pull the lever in the direction desired (right or
left) in either forward or reverse.
Hydrostatic drive speed
Use the up/down buttons to control the hydrostatic drive
speed. The two buttons marked with a hare (to increase
speed) and a tortoise (to decrease speed) can change the
speed of the machine from low to high.
The machine has 15 speed increments.
Increase track speed by pushing on the upper button
(hare) (1). Holding the button increases the speed in
increments.
Reduce track speed with the tortoise (2) button.
3 - CONTROLS AND INSTRUMENTS
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