2
STEP 7
Switch to high
gear, fully retract
and secure crank
handle.
STEP 3
Make sure that
the landing gear
is in low speed
(see Figure 1)
and engage
crank handle.
COUPLING INSTRUCTIONS
STEP 1
Inflate tractor air suspension and back up close
to the trailer, centering the kingpin with the
throat of the fifth wheel and
STOP! DO NOT
ATTEMPT TO COUPLE UNTIL STEPS 2
THROUGH 4 ARE COMPLETED.
HANDLE ENGAGED
HANDLE DISENGAGED
STEP 2
➊ Chock trailer wheels.
➋ Connect brake lines and light cord.
➌ Support slack in lines to prevent
interference.
➍ Set trailer brakes.
➌
➍
➋
➊
STEP 4
Adjust trailer height so that the fifth wheel will
lift the trailer.
FIFTH WHEEL
MUST LIFT
TRAILER
‡
‡
FIFTH WHEEL
TILTED DOWN
4˝- 6˝
USE LOW
GEAR
FIFTH WHEEL
WILL NOT LIFT
TRAILER
STEP 5
Couple and verify that
the fifth wheel locks are
properl
y closed around
the kingpin.
STEP 6
While still in low
gear, retract landing
gear until pads just
come off the
ground.
USE LOW GEAR
UNTIL PADS JUST
COME OFF GROUND.
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