Fayat Group DYNAPAC SD1800C, Manual

Page: 347 / 472

D 41.18 35
Cracks in the layer
(centre strip)
- material temperature
- cold screed
- bottom plates are worn or warped
- wrong crowning
Cracks in the
layer(outer strip)
- material temperature
- 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
- material temperature
- change in the material temperature
- moisture on the foundation
- demixing
- wrong material composition
- incorrectly prepared foundation
- wrong layer height for 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 is not operated 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 finisher while aligning
to the 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
- material temperature
- change in the material temperature
- wrong layer height for maximum grain size
- incorrect installation of the grade control
- vibration is too slow
- screed is not operated in the floating position
- too much play in the mechanical screed link
- paver finisher speed is too high
Problem Cause