Zetor 8621 Forterra turbo, Operator'S Manual

Page: 55 / 315

55
ELECTRONIC ENGINE GOVERNOR
RPM7 RPM8 RPM9
With such way set constant value (for
example 1600 RPM) it is possible to set
the engine speed by means of hand or
foot throttle control and the entered
memory will not be lost.
a - You can increase or decrease the
engine speed by hand throttle cont-
rol. Increase or decrease the engine
speed by interrupted pressing of
keypad
MIN or MAX .
b - You can only increase the engine
speed by foot throttle control. After
loosing the foot throttle pedal the
engine speed drops again to the
value entered in temporary memory
(for example 1600 RPM).
RESETTING AND DELETING THE
TEMPORARY MEMORY
1. Indicator lamp H/O is on.
2. Press the keypad MEM .
3. Indicator lamp H/O turns off. Tempo-
rary memory is off. It is not possible
to recall it again. In this time the set
value (for example 1600 RPM) is de-
finitively deleted. The same will hap-
pen after switching off the key in the
key switch.
SETTING THE PERMANENT MEMORY
1. Indicator lamp H/O must be off.
2. Set the desired engine speed by
hand (keypads MIN or MAX ) or foot
throttle control.
3. Press both keypads MEM and MIN
or MAX depending if you want to
enter into memory minimal or
maximal engine speed.
4. Indicator lamp H/O is on. Since this
setting the engine speed is entered
into the permanent memory.
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