Calibrating Spray Flow Rate - Ferris Venture Series Operator's Manual

Calibrating the Spray Flow Rate
• The following instructions provide a method for verify-
ing the amount of flow being dispensed from the spray
nozzles.
• Fill the spray tank with water.
• Adjust the system pressure so that the pressure gauge
reads 20 psi when the machine is spraying and the en-
gine is at full throttle.
• Engage the parking brake on the machine and ensure
that the motion control levers are in the neutral position.
• Place a container in a position beneath one of the spray
nozzles so that all of the spray being dispensed by the
nozzle can be captured in the container.
• Move the pump switch to the "ON" position. Run the
pump for exactly one minute.
• Measure the collected water. The amount collected for
each tip should be approximately as follows:
• Blue Turbo Teejet tip (Part Number: 5901755) = 27
ounces per minute
• If the output from the nozzles is slightly different from
the values listed above, adjust the pressure relief valve
slightly. Unscrewing the valve knob will decrease the
system pressure and will decrease the output from the
tips. Screwing the valve knob in will increase the system
pressure and will increase the output from the tips.
• If the output from the nozzles is drastically different from
the values listed above, there may be other problems with
the system. Refer to the Troubleshooting section for more
information.
20
Calibration
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