RUNNING GEAR OPERATION
28
Operating instructions • Semitrailer • 505369471-04 • 02/2019
The rear braces prevent the trailer from
overturning when loading and unloading
and provide an optimal adjustment to the
ramp.
The crank drive for the rear braces has two
speeds:
○
High speed (extend/retract the rear
brace)
○
Load speed (raise or lower the vehicle)
B
A
1
Fig. 5-5:
Load speed and high speed of the
rear brace
1
Hand crank
A
Load speed
B
High speed
INFO
Cranking clockwise moves the landing leg
downwards. Cranking counter-clockwise
moves the landing leg upwards.
Also observe the enclosed supplier
documentation.
Putting the rear braces in the support
position
► Ensure that the ground is load-bearing
and level.
► Use wheel chocks to prevent the trailer
.
► Raise the trailer to the desired ramp
height using the air suspension
► Lift the hand crank from the bracket.
► Engage the hand crank on the crank
drive shaft until it locks into place.
► Switch on high speed by pulling out
speed and high speed of the rear brace",
pg. 28)
.
► Wind down the landing legs until they
touch the ground.
► Switch on load speed by pushing in
speed and high speed of the rear brace",
pg. 28)
.
► Use the hand crank to wind to the de-
sired support height.
ð
The rear braces are extended.
► Adjust the front landing leg winch
"5.2 Landing leg winches", pg. 25)
.
► Align the trailer level in the longitudinal
and transverse directions. Do not fully
unload the wheels while doing so.
► Lower the trailer with the air suspen-
(see "5.9 Air suspension", pg. 43)
.
ü
The rear braces have been placed in
the support position
Putting the rear braces in the driving
position
► Check the parking brake and apply if
.
► Take the hand crank from the bracket.
► Engage the hand crank on the crank
drive shaft until it locks into place.
► Set to load speed by pushing in the
and high speed of the rear brace", pg. 28)
► Wind up the landing leg until it is un-
loaded.
► Set to high speed by pulling out the
and high speed of the rear brace", pg. 28)
► Wind up the landing leg up to the stop.