AIRPLANE
OPERATIONS
MANUAL
GROUND SERVICING
REVISION 39
1-12-10
Page
5
Code
01
AOM-145/1114
TOWBAR TOWING
EQUIPMENT
Ground towbar towing is normally accomplished by using ground
support equipment P/N 01-1201-0000 (towbar) and 01-0582-0010
(towbar attachment) coupled to the nose landing gear.
The towbar incorporates breakable sections (fuse) with the purpose of
causing the towbar to break in case of any towing abnormality, to
protect the airplane structure or the nose landing gear from damage.
Maximum towbar fuse push/pull design force is 4418 kgf (9740 lbf).
Maximum design torque is 4300 N.m (3171.5 lbf.ft).
PROCEDURES
Towbar Towing operation is accomplished following the steps below:
WARNING:
WHEN THE ENGINES AND APU ARE RUNNING
DURING THE TOWING PROCEDURES MAKE SURE
THAT ALL PERSONS ON THE GROUND STAY AWAY
FROM HAZARDOUS AREAS.
− Remove the lock pin from the guide pin on towbar assemblies.
− Install towbar on the nose landing gear.
− Put the guide pin into the towing point of the nose landing gear.
− Lock the guide pin with the lock pin.
− Install the other side of towbar assemblies to the tractor.
− Remove the wheel chocks.
− Release the emergency/parking brake. Check if the brake ON light
goes off.
NOTE: - The person in cockpit must coordinate with ground personnel
to release and apply the airplane emergency/parking brake.
- To prevent hydraulic fluid transference from system 1 to
system 2 or vice versa, always apply brakes with the pedals
before pulling and releasing the emergency/parking brake
handle.
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