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©2019 JBT LEKTRO, INC. All rights reserved.
October 2019
LEKTRO 88/89 SERIES - OPERATION MANUAL
•
Red Torque Warning Light illuminates and alarm sounds:
The towing operation has
exceeded a level that could damage the aircraft nose landing gear. The light and alarm will
remain on and all tractor movement will be disabled until the Aircraft Protection System has
been reset, as described in
"RESETTING THE AIRCRAFT PROTECTION SYSTEM” on
.
WARNING
IF THE TORQUE WARNING ALARM IS TRIGGERED, THEN THE AIRCRAFT NOSE
LANDING GEAR MUST BE INSPECTED FOR DAMAGE BEFORE MOVING THE
AIRCRAFT.
•
Yellow Torque Caution Light illuminates and alarm sounds:
The towing operation
exceeds the configured maximum safe torque for the aircraft being towed. The alarm stops
sounding and the light turns off when the torque falls below the safe maximum. You may
continue the towing operation, being cautious to avoid high-torque maneuvers.
•
Green Zero Light is flashing:
The system has lost communications with both of the Load
Pins mounted near the Lift Cylinders. You may continue using the tractor, however all limits
on acceleration, braking, Winch force, and Cradle heights are disabled.
CAUTION
CAUTION
AVOID PLACING EXCESSIVE TORQUE LOADS ON THE AIRCRAFT NOSE
LANDING GEAR WHEN LIMITS ARE DISABLED BY LIMITING ACCELERATION,
BRAKING, AND TURNING.
•
Alarm sounds three times every 10 seconds:
The system has lost communications with
the Torque Cell in the Turntable. You may continue using the tractor, however all limits on
acceleration, braking, Winch force, and Cradle heights are disabled.
CAUTION
CAUTION
AVOID PLACING EXCESSIVE TORQUE LOADS ON THE AIRCRAFT NOSE
LANDING GEAR WHEN LIMITS ARE DISABLED BY LIMITING ACCELERATION,
BRAKING, AND TURNING.
•
Flashing APS Level Buttons and Green Zero Light:
The system has detected a weight
outside the parameters of any programmed levels. This typically indicates a Load Pin
problem. You may continue using the tractor, however all limits on acceleration, braking,
Winch force, and Cradle heights are disabled.
AUTHORED BY ANTHONY HERNANDEZ - (415)786-2081 - [email protected]
