D 4.6 16
D_4
.6_0
1_G
B.
fm
1
6
-3
8
Screed control with the paver finisher at standstill - with floating position pre-
stressing
Similarly to the screed charging and relieving function, a pressure between 2 and 50
bars can be generated with the lifting cylinders of the screed. This pressure acts
against the mass of the screed to prevent its sinking into the freshly laid mixture.
The pressure to be applied depends on the load-bearing capacity of the material. If
necessary, the pressure must be readjusted or changed as required during the first
stops until the lower edge of the screed no longer leaves any marks when the paver
finisher moves on again.
A pressure greater than 10-15 bar neutralizes the screed weight, thus preventing the
screed from sinking into the material.
A
The pressure is set in the factory to about 20 bars.
Especially in those cases where the ”screed relieving” function is only briefly used as
a start-up aid, there is a danger of uncontrolled floating when starting up again.
Adjusting the pressure
Pressure adjustments can only be made
while the diesel engine is running.
Therefore:
- Start the Diesel engine, turn the feed
regulator (1) down to zero.
- Set switch (2) to the „floating position“.
Element2_konv_Kette_635.bmp/
1
Screedswitch_all.bmp
2
B
A
C
Summary of Contents for DYNAPAC Svedala Demag DF 115 C
Page 2: ...VALUE QUALITY THE ORIGINAL Your Authorized Dynapac Dealer...
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Page 157: ...F 3 0 1 F_3 0_01_GB fm 1 4 F 3 0 Maintenance Conveyor 1 Maintenance Conveyor...
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