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General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Jan 28/19
G. Refueling the CHALLENGER550
Observe the safety and work regulations of the airport operator when refueling the CHALLEN-
GER550 on the airport runway area.
Requirements
The following points must be fulfilled before refueling the CHALLENGER550:
• Parking brake is engaged.
• Turn preheater starter switch to position "0".
• Main battery switch is in position "OFF".
• Fire extinguishers are ready.
• The measures prescribed in the airport regulations for refueling have been taken.
Figure 28: Fuel tank
1 Gas pump nozzle
Property of American Airlines
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