Atlas Copco DYNAPAC Svedala Demag DF 115 C, Operation & Maintenance Manual

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D 4.6 31
D_4
.6_0
1_G
B.
fm
3
1
-3
8
Cracks in the layer
(outer strip)
- temperature of the material
- screed extendable parts are incorrectly installed
- limit switch is not correctly set
- cold screed
- bottom plates are worn or warped
- paver finisher speed is too high
Layer composition is
not uniform
- temperature of the material
- change in the material temperature
- moisture on the foundation
- demixing
- wrong material composition
- incorrectly prepared foundation
- wrong layer height for the maximum grain size
- long standstill times between loads
- vibration is too slow
- screed extendable parts are incorrectly installed
- cold screed
- bottom plates are worn or warped
- screed does not work in the floating position
- paver finisher speed is too high
- auger is overloaded
- changing material pressure against the screed
Marks in the surface
- truck hits too much against the paver finisher while aligning
to the paver finisher
- too much play in the mechanical screed link/suspension
- truck brake is applied
- vibration is too high while standing on a spot
Screed does not
react to corrective
measures as
expected
- temperature of the material
- change in the material temperature
- wrong layer height for maximum grain size
- incorrect installation of the grade control
- vibration is too slow
- screed does not work in the floating position
- too much play in the mechanical screed link
- paver finisher speed is too high
Problem Cause: