RUNNING GEAR OPERATION
Operating instructions • Load Carrier • 505410638-02 • 07/2019
29
► Tighten the lock nut.
ü
The height of the draw fork is set.
Adjusting the length of the draw fork us-
ing a tool
!
WARNING
accident hazard due to an unsecured
length adjustment at the draw fork!
An unsecured length adjustment at the
draw fork can cause accidents.
► Ensure that the threaded bolt is prop-
erly secured after adjusting the length
or changing the tractor unit.
Length adjustment, or a change of tractor
unit, can cause the overall length of the
train to be exceeded. Check the following
points every time you adjust the length or
during every vehicle change:
○
Ensure that the threaded bolts are
properly secured with the securing
devices,
○
Check the legally permitted overall
length of the train and
○
the distance between trailer and tractor
unit.
1
2
3
Fig. 5-9:
Length adjustment with tool
1
Threaded bolt (head)
2
Nut with threaded bolt
3
Retainer plate
► Unhitch the trailer
unhitching the trailer", pg. 88)
.
► Loosen the nuts with a spanner and
unscrew them from the threaded bolts.
► Remove the threaded bolts.
► Place the draw bar in the desired posi-
tion by shifting it in or out.
► Reinsert the threaded bolts.
► Screw the nuts on the thread and
tighten at approx. 300 Nm. The draw-
bar tube should not have any play in
the clamp bearing.
► Secure the nuts using the retainer
plates.
ü
The length of the draw fork is set.
Adjusting the length of the draw fork us-
ing rapid resetting
1
2
3
Fig. 5-10:
Length adjustment via rapid reset-
ting
1
Clamping bracket
2
Control lever
3
Crown nut
► Unhitch the trailer
unhitching the trailer", pg. 88)
► Pull the control lever from the clamping
bracket.
► Insert the control lever into the crown
nut's groove and release it by turning
counterclockwise.
► Use the control lever to unscrew the
crown nuts from the threaded bolt to-
gether.
► Remove the threaded bolts.