6-8
©2019 JBT LEKTRO, INC. All rights reserved.
October 2019
LEKTRO AP88/89 SERIES - OPERATION MANUAL
6.4
BRAKING
The vehicle can be stopped in several ways:
• Pressing the Brake Pedal to bring the tractor to a gradual and controlled stop. See
• Moving the Direction Selector to the position opposite to the current direction of travel, and
then applying controlled pressure to the Accelerator Pedal. This is called “plug braking,” and
is described in
.
• Emergency braking by applying the Parking Brake. See
6.4.1
PLUG BRAKING
Plug braking is unique to electric vehicles. It uses the Drive Motor as a brake to slow the vehicle
and then reverse direction in a single motion. This method is safe and will not damage the
vehicle. To use plug braking:
• With the vehicle moving in one direction, lift your foot off the Accelerator Pedal.
• Move the Direction Selector to the direction opposite the current direction of travel.
• Apply pressure to the Accelerator Pedal to stop the vehicle. If you keep pressing the
Accelerator Pedal after the vehicle stops, it will begin moving in the opposite direction. The
amount of foot pressure on the Accelerator Pedal determines the resulting braking and
acceleration force.
CAUTION
CAUTION
DO NOT USE PLUG BRAKING WHILE TOWING AN AIRCRAFT, EXCEPT IN CASE
OF EMERGENCY.
Using plug braking while towing an aircraft can damage or destroy the Drive Motor for the
following reasons:
• The heavier load applies the braking force more suddenly and with coarser control
compared to pressing the Brake Pedal. This places excessive loads on the tractor and
aircraft and could cause the aircraft wheel to escape the Cradle gates.
• JBT LEKTRO, Inc. presets plug braking to safely and smoothly stop the tractor when empty.
The weight of the captured aircraft weight proportionally increases the overall force required
to stop the tractor, and this may exceed Drive Motor limits.
AUTHORED BY ANTHONY HERNANDEZ - (415)786-2081 - [email protected]
