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General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Jan 28/19
(3)
Press the "Switch front axle suspension on/off" switch upwards.
The front axle suspension is switched off, the "Front axle suspension off" indicator in the dis-
play lights up.
INFORMATION
The bar indicator in the display indicates if the front axle suspension is in the top, middle (= drive
level) or lower position.
Startung up/Driving the CHALLENGER550
Rolling CHALLENGER550!
The rolling CHALLENGER550 can collide with or run over persons.
Colliding with the rolling CHALLENGER550 can cause serious injury or death.
Make sure that no persons or objects are in the danger area or on the traffic routes.
Obey the traffic rules of the airport ramp area.
Driving direction incorrectly set!
If the driving direction is not set correctly, the CHALLENGER550 can move unintentionally in the
wrong direction and collide with or run over persons.
Collisions with or the running over of persons can cause serious injury or even death.
Check the set driving direction before driving.
Make sure that no people or objects are in the danger area or on the traffic routes.
Make sure that there is a good line of sight to all sides.
Jerky movements when starting!
Jerky movements when accelerating at start can cause damage to the nose wheel and break the
"shear pin" at the towbar.
Start driving the CHALLENGER550 with slow and continuous movement to prevent danger to
the nose wheel and to prevent the 'shear pin' of the towbar from breaking.
Select the correct driving gear.
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