General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Page 58
1-1
Jan 28/19
21 Fuel reserves Red Lights up when the fuel supply is too
low. Additional warnings are given as
the fuel supply decreases:
• Fuel supply < 25 %:
Tank symbol lights up, warning
message is indicated in the dis-
play, warning sound audible.
• Fuel supply < 15 %:
Engine switches off..
22 Front axle
suspension
activated
dark blue Lights up when the front axle
suspension is on.
Front axle
suspension
locked
light blue Lights up when the front axle
suspension is off.
Front axle
suspension
locked
red Flashes when the suspension of the
front axle is switched off and the dri-
ving speed is greater than 10 km/h.
23 Active front axle
suspension at drive
level
light blue DRIVING RANGE:
Lights up when suspension is adjus-
ted to drive level..
Active front axle
suspension not at
drive level.
orange WARNING RANGE:
Flashes if the front axle suspension
deviates from the drive level.
Active front axle
suspension not at
drive level.
red ALARM RANGE:
Flashes if the front axle suspension
deviates severely from the drive level.
If the suspension is not locked, the
buzzer is sounded and the maximum
possible gear is limited to 3rd gear.
If the suspension is locked and the
driving speed is greater than 10 km/h,
the buzzer sounds. The maximum
possible gear is not limited, because
all gears need to be available during
push-back.
Pos. Picto-
gram
Designation Light color Description
Property of American Airlines
To Next Page
Loading...
