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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
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