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Problem
Ragged edges and gaps in line
Swollen rounded line
Material shadows on sides
Line is wavy
Cracks in line
Rough edges and lines in surface
Jagged line ends; material drips
between lines
313879B
Cause
• Material temperature is too low
™
• Thermolazer
ti14511a
• Material temperature is too high
ti14512a
• Uneven road surface
• Die is not evenly riding on sub-
strate
ti14513a
• Strong road surface camber
• Incorrect Thermolazer
ti14514a
• Cracks in road surface
• Temperature stress from
overheating
• Material applied too cold
• Material applied too thin
ti14515a
• Material temperature is too low
• Material is overheated or scorched
• Moisture in road surface
ti14516a
• Die does not fully close
• Debris caught in die
• Worn die gate
• Worn die trough
ti14517a
• Broken spring
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• Raise material temperature
• Wait for change in ambient condi-
speed is too fast
tions to remove moisture
• Reduce Thermolazer
• Lower material temperature
• Apply to even road surfaces
• Remove debris from screed box
lever rod
• Inspect/replace damaged screed
box lever rod/lever arm
• Apply so camber does not influ-
ence application
™
• Use correct application methods
operation
(for example, try locking swivel
wheel)
• Repair cracks
• Lower temperature in material
• Increase material temperature
• Slow Thermolazer
apply thicker material
• Raise material temperature
• Lower material temperature
• Wait until road surface is dry
• Clean die
• Clear debris from die
• Replace die gate
• Replace die trough
• Replace spring
Troubleshooting
Solution
™
speed
™
speed to
21
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