4 . MAINTENANCE AND ADJUSTMENTS
4.9
Challenger MT500B EU
4
4.5.3 - Different control modes
NOTE: At start-up, the tractor is in lever mode, trans-
mission control is performed with the lever only.
4.5.3.1 - Lever mode
The speed depends on the position of the armrest lever (1
Fig. 9).
4.5.3.2 - Pedal mode
When the tractor is started, the throttle pedal must be re-
leased and button (3 Fig. 10) pressed.
Transmission is controlled exclusively by the pedal. To ad-
just the ground speed operate the SV2 potentiometer (6
Fig. 10) (max. 16 kph, min. 3 kph); the value is displayed to
the right of the "pedal" icon on the DOT MATRIX screen.
Engine speed is electronically adjusted depending on trans-
mission speed. There are two possible settings in pedal
mode:
• Power mode: (P is displayed)
This is the max. speed at the max. engine speed (no pro-
grammed max. engine speed).
• Economy mode: (E is displayed)
In this case, maximum speed at 1,800 rpm engine speed
(1,800 is the maximum engine speed in this mode).
NOTE: In pedal mode, each time the button (3 Fig. 10)
is pressed, the setting changes between power mode
and economy mode. If the lever is pressed for 2 sec-
onds when in pedal mode, the tractor exits pedal mode.
4.5.3.3 - Self-propelled mode
Access to self-propelled mode is possible only if engine
speed A or B is selected. In this mode, the user sets the
engine speeds with memories A and B, and ground speed
is controlled by the throttle pedal and hand throttle (1 Fig.
11).
Z2-447-05-03
Z2-446-05-03
Z2-448-05-03
Fig. 10
3
Z2-440-05-03
6
Z2-628-08-03
Fig. 11
1
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