I. Setting up to Spray Asphalt:
a. At rear control, turn rotary function switch to “Cab” this will set the machine to
spray bar circulate and allow control to be handled from the truck cab control.
b. At cab control set control mode switch to “Setup” position
c. Use the scroll Up and Down switch to set travel distance if desired, application
rate, and bar extensions if they are being used.
Use the Scroll Up and Scroll Down switch to scroll between the following screens:
Use the Data Inc and Data Dec switches to change the value.
Use the Data Inc and Data Dec switches to change the value.
Use the Select Up and Select Down switch to change the value.
d. Use the bar extend and retract switches to set the desired bar with.
e. Once you are finished making changes, turn the Setup switch to Run, your
changes will automatically be saved.
II.
Spraying Asphalt:
a. Position truck so spray bar is at the beginning of area to be sprayed.
b. Remember that for proper coverage the nozzle should be set at a 20 degree
angle on the bar. The nozzle wrench supplied with the Precision Spray can
ensure this.
c. Set “Setup/Run” switch to run.
d. Turn on the bar activation switches for the bar segments you wish to use.
(Normally all switches should be turned on)
e. Using the left and right bar “Extend/Retract” switches adjust you
U
bar to the
desired width.
f. Select a transmission gear that will allow you to achieve @ 1500 rpm’s at a safe
operating speed.
g. Flip “Spray” switch to on this will put unit in Spray mode.
h. Start truck moving and simultaneously flip “Spray” switch to on again, and the
unit will start to spray.
i. The spray will stop and go into bar circulate mode when you either switch the
“Spray” switch to off, or the desired distance that was preset is achieved.
j. A special feature on the precision spray controller allows you to adjust the
application rate while you are spraying, by toggling up or down the “Data”
switch
Calder Brothers Corporation
Model: Precision Spray
Serial #
944-N-P2C---S-D00000 to Current
Page31
V2.2
