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Item Designation
Screed stop (float-
ing position OFF) /
33
Lower screed +
floating position
Raise / lower
34
screed
Screed charging/
35
relieving device
Brief description
Detent switch function:
- Upper switch position:
Screed stop (floating position OFF): Screed is hy-
draulically blocked in position.
- Lower switch position:
Lower screed + floating position: Screed is lowered
and held in the floating position when the drive lever
is swivelled out.
To prevent the screed from lowering during an interme-
A
diate stop (drive lever in centre position), the screed is
hydraulically held in position via relief pressure and the
counter pressure of the material.
Check whether the screed transport safeguard is inserted!
m
On actuation, heed danger zones of moving parts of
f
the vehicle!
Pushbutton function:
- Upper switch position:
Lift the screed.
Switch (33) must be deactivated for this function, as the
m
screed otherwise lowers again!
- Lower switch position:
Lower screed.
Check whether the screed transport safeguard is inserted!
m
On actuation, heed danger zones of moving parts of
f
the vehicle!
Detent switch function:
- Upper switch position:
Screed relieving: For hydraulically relieving the
screed to influence the traction force and compaction.
- Switch position, central:
Function OFF.
- Lower switch position:
Screed charging: For hydraulically charging the
screed to influence the traction force and compaction.
The relevant pressure control valve can be used to set
A
the level of charging/relieving.
D 12 21
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