©2019 JBT LEKTRO, INC. All rights reserved.
October 2019
5-15
CHAPTER 5: BASIC OPERATIONS
DANGER
NEVER APPROACH THE AIRCRAFT AFTER ENGINE START UNTIL THE PILOT
SIGNALS THAT IT IS SAFE TO DISCONNECT THE GPU EXTENSION CABLE.
3. After engine start and disconnecting the GPU Extension Cable, move the tractor clear of the
aircraft taxi path, and then remove the chocks and marshal the aircraft clear of the area.
5.6.2
CONNECTING THE GPU EXTENSION CABLE
To connect the GPU Extension Cable:
1. Determine the aircraft voltage requirements.
2. Select the correct Aircraft GPU Adapter. See
the available adapter types.
3. Connect the Aircraft GPU Adapter to the GPU Extension Cable.
4. Open the GPU Panel Cover.
5. Select the correct VDC Outlet (12, 24, or 28 VDC).
6. Connect the GPU Extension Cable to the selected VDC Outlet.
7. Verify that you have selected the correct voltage for the specific aircraft you are starting.
DANGER
SELECTING THE WRONG VOLTAGE MAY CAUSE A FIRE OR BATTERY
EXPLOSION. IT MAY ALSO RESULT IN SERIOUS DAMAGE TO THE AIRCRAFT
ELECTRICAL AND ELECTRONICS SYSTEMS AND/OR THE GPU SYSTEM ON THE
TRACTOR.
8. When directed, connect the Aircraft GPU Adapter to the aircraft, being sure not to reverse
the polarity.
5.6.3
DISCONNECTING THE GPU EXTENSION CABLE
To disconnect the GPU Extension Cable:
1. Wait until the pilot signals that ground power can be disconnected.
2. Disconnect the GPU Extension Cable from the VDC Outlet on the tractor.
3. Close the GPU Panel Cover.
4. Disconnect the Aircraft GPU Adapter from the aircraft.
5. Stow the GPU Extension Cable and Aircraft GPU Adapter in one of the Side Compartments.
AUTHORED BY ANTHONY HERNANDEZ - (415)786-2081 - [email protected]
