Coupling operations will be conducted with the towing device set on the ground with the boom extended at a
right angle to the mast section, transport legs locked in the up position, and boom extensions fully extended.
During coupling to prime mover, it may be required to adjust the angle of the
main frame (WP 0005) to accommodate the height of the fifth wheel plate.
Always ensure when coupling that the transport legs and bottom pressure
relief valve assembly do not make contact with the prime mover. Failure to
comply may result in death or injury to personnel.
All persons not involved in coupling/uncoupling operation must stand clear
of prime mover and fifth wheel towing device to prevent serious injury or death.
Never stand between the prime mover and fifth wheel towing device when the prime
mover is being backed up to the towing device. Serious injury or death may
To prevent damage to the equipment, coupling should be done by two people,
the first person in the prime mover cab and the second acting as a ground guide.
Prime mover mud flaps should be removed and stored IAW the prime movers current
TM prior to coupling with the FWTD. Failure to remove mud flaps may cause damage
the prime mover.
Refer to WP 0091 for authorized prime movers and towed vehicles.
When performing operations with the towing device in conjunction with
another vehicle, ensure that all Warnings, Cautions, and special instructions
in the other vehicles operator's manual are followed.
Refer to kingpin placement (WP 0034) for proper placement of kingpin for