Graco ThermoLazer 200TC Repair Manual page 38

Troubleshooting
Problem
Beads not discharging or
discharging unevenly
Beads not discharging at
required flow rate
Hard pushing when
screed box is on ground
38
Cause
Low bead level in bead hopper
Bead dispenser doors closed
Bead dispenser drive wheel not engaged
Bead dispenser drive wheel slipping
Debris in discharge opening of bead dispenser
Debris on ThermoLazer tire or bead dispenser
wheel
Moisture in beads
Bead dispenser flow rate lever not correctly set
Bead dispenser drive wheel slipping
Bead dispenser doors not fully open
Moisture in beads
Moisture on road surface
Rough road surface
Bead Dispenser low on material
Screed box not adjusted correctly
Solution
Fill bead hopper.
Open doors as required to obtain desired
flow pattern width.
Secure bead dispenser wheel (see page 21).
Tighten. Check air pressure (see page 21).
Remove debris.
Remove debris.
Remove wet beads. Dry hopper, bead hoses
and bead dispenser. Fill hopper with dry
beads.
Rotate flow rate lever to correct position.
Tighten wheel and check tire pressure (see
page 21).
Open door fully.
Remove wet beads. Dry hopper, bead hoses
and bead dispenser. Fill hopper with dry
beads.
Allow road surface moisture to dry.
Smooth road surface.
Add material to bead hopper.
See Operation manual.
3A1320L