Calibrating The Digital Dasboard Travel Speed - Zetor PROXIMA PLUS 8541 Operator's Manual

CALIBRATING THE DIGITAL
DASBOARD TRAVEL SPEED
After the assembly, the manufacturer
calibrates the instrument dashboard.
To the repeated calibration proceed:
− After considerable tire wear.
− After mounting new tires.
− After having replaced the dashboard.
PROCEDURE OF CALIBRATION
− At a suitable place, mark out a 100-m
path.
− Inflate the tractor tires to the prescri-
bed pressure – see the table of this
Operating manual.
− Start the engine.
− Place the tractor at the beginning of
the hundred-meter path.
ADJUSTMENT
E769
− Simultaneously
pushbuttons (A) and (B). Keep the
pushbuttons depressed for 7sec. The
dashboard is switched over into the
calibrating mode. On the display is fla-
shing ,,START,,.
− Press down pushbutton (B) . The
display shows ,,STOP,, flashing.
− Put the tractor into motion by a steady
speed of approx. 10 km/h.
− The display shows the number of pul-
ses caught with the travel sensor.
− After covering the whole 100-m distan-
ce, stop the tractor at the marked out
end of the path (see Fig. E769).
197
E770
− Press down pushbutton (B). In this
press down the
way, the data counted by the travel
sensor on 100m way are stored in the
memory. The instrument dashboard is
calibrated and ready to operate.
E771