D 84
D
D_DF1
1
5_135C_
G
B
.f
m
. 84-
92 -
02-
01.
0
3
4.2
Problems during paving
Problem
Cause
Wavy surface
(”short waves”)
-
change in the material temperature, admixing
-
wrong material composition
-
incorrect operation of the roller
-
incorrectly prepared foundation
-
long standstill times between loads
-
grade control reference line is not suitable
-
grade control jumps to the reference line
-
grade control toggles between up and down
(inertia setting is too high)
-
bottom plates of the screed are loose
-
bottom plates of the screed are warped or not uniformly worn
-
screed does not work in the floating position
-
too much play in the mechanical screed link/suspension
-
finisher speed is too high
-
augers are overloaded
-
changing material pressure against the screed
Wavy surface
(”long waves”)
-
change in the material temperature
-
admixing
-
roller has stopped on the hot material
-
roller has turned or roller speed has been changed too fast
-
incorrect operation of the roller
-
incorrectly prepared foundation
-
truck brake is applied too tight
-
long standstill times between loads
-
grade control reference line is not suitable
-
incorrect installation of the grade control
-
limit switch is not correctly set
-
screed is empty
-
screed has not been switched to the floating position
-
too much play in the mechanical screed link
-
auger is set too deep
-
auger is overloaded
-
changing material pressure against the screed
Cracks in the layer
(over the entire width)
-
material temperature is too low
-
change in the material temperature
-
moisture on the foundation
-
admixing
-
wrong material composition
-
wrong layer height for the maximum grain size
-
cold screed
-
bottom plates of the screed are worn or warped
-
finisher speed is too high
Cracks in the layer
(center strip)
-
temperature of the material
-
cold screed
-
bottom plates are worn or warped
-
wrong crowning
Summary of Contents for DF 115 C
Page 1: ...Operating instructions 02 01 03 Road Finisher 900 98 06 40 DF 115 C DF 135 C...
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Page 44: ...D 4 D D_DF115_135C_GB fm 4 92 02 01 03 Element2_KC cdr 9 8 12 A 9 A 5 6 7 11 10...
Page 46: ...D 6 D D_DF115_135C_GB fm 6 92 02 01 03 Element2_KC cdr 9 8 12 A 9 A 5 6 7 11 10...
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