Driving The Tractor Using The Engine Speed Preselection System - Zetor CRYSTAL HD 150 Operator's Manual

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DRIVING OPERATION

Driving the tractor using the engine speed preselection system

On the motor speed preset button panel press the relevant
memory button (4) or (5), the button pressing is signaled
by the backlight.
The engine speed is increased to the level according to
the set values in the selected memory. If necessary,
increase or decrease the speed set in the selected
memory by using the (2) and (3) buttons.
By depressing the accelerator pedal or the hand throttle
lever, the engine speed can be raised above the speed
set in the appropriate memory. When the accelerator
pedal or the manual throttle lever is released, the engine
speed returns to the level set in the selected memory.
Pressing the backlit button (4) or (5) repeatedly turns off
the engine speed preset control, the backlight of the
FHD18N059
respective button goes off and the engine speed returns to
the level set by the accelerator pedal or hand throttle.
The engine speed preselection system is switched off, the
backlit memory button (4) or (5) goes out and the engine
speed is adjusted according to the position of the
accelerator pedal or manual throttle position in the
following cases:
1 - When the brake pedal is depressed at a tractor speed
below 25 km / h when the engine speed drops by at least
10%.
2 - When the brake pedal is depressed at a trailer speed
exceeding 25 km / h, if the brake pedal is depressed for at
least 2 seconds.
3 - When the clutch pedal is depressed or by pressing the
clutch release button on the shift lever.
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