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General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Jan 28/19
24
Front towing
coupling opened
dark blue
Front towing coupling is opened.
Front towing
coupling closed
green
Front towing coupling is closed.
Front towing
coupling, undefined
status
red
The status of the front towing
coupling is undefined.
25
Rear towing
coupling opened
dark blue
Rear towing coupling is opened.
Rear towing
coupling closed
green
Rear towing coupling is closed.
Rear towing
coupling, undefined
status
red
The status of the rear towing
coupling is undefined.
26
Turn signal
indicator, left
Green
Flashes when "left-turn signal" is
active.
27
Driving light
Green
Lights up when the driving light or
low-beam headlight is on.
28
High-beam
Blue
Lights up when the driving light is
switched on at the main switch and
the high-beam headlight is switched
on at the steering column lever.
Lights up when the headlight flasher
is activated.
Pos.
Picto-
gram
Designation
Light color
Description
Property of American Airlines