LeeBoy 6150 - Conveyors; Under Auger Material Cut-Offs

4
LeeBoy 6150 Conveyor Paver 4-25
Operation
Under Auger Material Cut-Offs
The Under Auger Material Cut-Offs are another
important function of the paver. (Figure 4-52) The cut-
offs are used primarily to control the ow of asphalt to
the screed and hydraulic screed extensions. Cut-offs
can be used to limit material ow when making narrow
passes at the beginning and ending of each pass or pull.
Proper use of the cut-offs minimizes clean-up at the end
of pulls.
• The right and left cut-off switches on the main
control panel (and remote screed control box)
opens and closes the cut-offs.
• Pushing the switch to the OPEN positions increases
asphalt ow to the screed. Pushing the switch to
the CLOSED position decreases asphalt ow to the
screed.
NEVER back up with the cut-offs open.
Auger
Under Auger
Material
Cut-Os
Figure 4-52. Under Auger Material Cut-Offs
Conveyors
The LeeBoy Model 6150 Conveyor Paver is equipped
with two automatic conveyors that deliver asphalt evenly
to produce a smooth asphalt mat. (Figure 4-51)
The conveyor is a very important part of the paver that
moves material from the hopper back to the auger and
out of the Under Auger Material Cut-Offs to the screed.
Pay close attention to integrating its operation into the
total operation of the paver.
Conveyor Chains
Figure 4-51. Conveyor Chains
When operating the conveyors:
• Spray down the conveyor drive chains with cleaning
solvent or release agent several times during the
work day for optimum performance.
• Select AUTO or MANUAL mode for the left or right
(or both) conveyor switch(es) on the control panel.
(Pages 3-6 to 3-7)
• If the conveyors are running while the cut-off gates
are closed, there will be spillage, which is normal.
To help prevent this spillage, work conveyors
manually when loading hopper and not paving.
• Irregular movement of the conveyor indicates
that the conveyor chains need adjustment. (See
Section 5)
NOTE: Check conveyor chain adjustment every 100
hours.
Never leave the paver unattended
while the conveyor is operating. DO NOT leave paver
running with conveyors set to AUTO for any length of
time to prevent hydraulic oil overheating.
Asphalt in the conveyors can cause
damage to the machine. Lubricate conveyor chains
daily for maximum efciency.