Graco VRM 24F872 Instructions Manual page 31

b. Place a waste container below the ratio check
valves. The next steps will cause the machine
to dispense material.
c. Press then
bottom-most position.
d. After the pump stops moving, press
press . The pump will travel to the top-most
position.
NOTE: During this process, the system learned the
mechanical limits of piston travel. If the pump did not
reach either piston mechanical travel limit for any rea-
son, repeat the procedure.
21. Press to exit the Setup screens.
22. Press repeatedly to select Operator mode
then press to accept.
23. Press to enter the Setup screens then press
left or right to navigate to the main Calibration
screen.
Flow Meter / No Flow Meter Calibration
24. If flow meters are installed, refer to Flow Meter or
Flow/Ratio Calibration starting on page 34. If flow
meters are not installed, refer to No Flow Meter
Machine Calibration starting on page 35.
313873J
. The pump will travel to
then
Flow Rate and Ratio Learning
25. At the main Calibration screen, press
all learned data.
NOTE: This will not affect the weight calibration that was
just completed.
26. Press to exit the Setup screens.
27. Press repeatedly to select Shot mode then
press to accept.
28. Select a defined shot that will provide a 10 second
or longer dispense at the flow rate and ratio
intended to be used during normal system opera-
tion.
NOTE: Changes to the ambient temperature will affect
the maximum flow rate for the system. If the ambient
temperature decreases, the flow rate should be
decreased.
Operation
to erase
31