TREPEL CHALLENGER550 - Auxiliary Power Supply

General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Page 80
1-1
Jan 28/19
K. Auxiliary power supply
The auxiliary power supply "X" serves to start the CHALLENGER550 if the battery is discharged.
Only authorized service personnel may start the CHALLENGER550 with the auxiliary power
supply.
Figure 39: Auxiliary power supply
Property of American Airlines