General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Page 40
1-1
Jan 28/19
Barycenter
White, blue
2
Tightening torque,
wheels
Grey, black
2
Watch your step
White, red
5
Emergency
operating
equipment
White, blue
1
Emergency
operating
equipment, inst-
ructions
White, blue
1
Emergency
operating
equipment: Fill
hydro accumula-
tor for parking or
operating brake
White, black
1
Emergency
operating
equipment:
Raise/Lower cab
White, black
1
Instruction sign
Designation
Color
Quantity
Property of American Airlines