OPERATING INSTRUCTIONS
3-5
Parking the Trailer
1.
Position truck/semitrailer rig on a level, solid surface.
2.
Set the
PARKING BRAKE
,
not the semitrailer
hand brake
, and check for proper brake holding.
3.
Chock wheels of semitrailer.
4.
Check for any air leaks in lines, relay valve, brake
pods, or any other air system component.
Uncoupling Towing Vehicle from
Semitrailer
1.
Park the semitrailer according to instructions in
“Parking the Trailer” on page 3-5
.
2.
Lower the landing gear.
WARNING
a.
Lower the optional pin drop landing gear to the
ground. Pin through both inner and outer legs of
landing gear.
3.
Disconnect the emergency and service air lines and
attach them to the tractor gladhand holders. If
present, install dummy gladhands on trailer
couplings.
4.
Disconnect the 7-pole cable and store with the
tractor.
5.
Pull the tractor fifth wheel plate latch release knob.
6.
Attempt to pull the tractor forward. If the tractor
uncouples, verify all service lines are disconnected
and semitrailer wheels are chocked. If tractor does
not disconnect, repeat
and
7.
Pull the tractor away from the semitrailer.
DANGER
With pin drop landing gear be sure to secure
each leg with pin before leaving semitrailer
unattended.
Always check behind and under the truck and
semitrailer for persons or objects before moving.
Failure to check can lead to serious personal
injury or death to others, or damage to property.
