4 . MAINTENANCE AND ADJUSTMENTS
4.18
Challenger MT500B EU
4.5.11 - "ParkLock" electrohydraulic brake
A Fig. 27: A control located to the left of the steering wheel
allows the operator in the driver’s seat to control the "acti-
vated" and "deactivated" ParkLock positions.
IMPORTANT: If the tractor must be towed, refer to the
specific procedure in section 4.18.
Activating the "ParLock":
- the PowerShuttle lever must be in neutral position,
- the control (A) pushed towards the steering wheel
(closed padlock symbol).
The "ParkLock" is engaged.
NOTE: The electronic control ensures that the "Park-
Lock " is engaged as soon as the ground speed drops
below 1 kph. The indicator light on the instrument
panel comes on and the "P" symbol appears on the dig-
ital display.
Deactivating the "ParkLock":
- The control (A) must be pulled outwards (open padlock
symbol).
IMPORTANT: For the "ParkLock" to disengage after
engine start-up, the electronic control must record a
switch of the control (A) from the closed padlock posi-
tion to the open padlock position. If not, the "ParkLock"
remains engaged, even if the control is in the open pad-
lock position.
DANGER: Engage the control into locked position
(closed padlock symbol) before leaving the driver’s
seat with the engine running.
4.6 - TRACTOR TOWING
IMPORTANT: Before towing the tractor refer to the tow-
ing instructions section 4.18.
4.7 - BRAKES
DANGER: When driving at speed or on the
road, the two brake pedals must be locked
together (Fig. 28). Only the foot throttle
should be used, and the throttle lever must be
in neutral position.
Check that A/B memorised speed is not activated.
WARNING: Trailer brakes (Fig. 29). To activate
the trailer brakes, connect the trailer hose to
the union at the back of the tractor and lock
the brake pedals together.
Z2-138
Fig. 27
A
Fig. 28
Z2-410-05-03-A
Fig. 29
Z3A-754-07-04
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