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TROUBLESHOOTING
General
The following troubleshooting information is
provided as a reference when your sprayer is not
functioning correctly. To ensure that you receive
the best possible service, it is recommended that
you exhaust all applicable troubleshooting solutions
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PROBLEM
Pressure and flow
rate are too low
Pressure and flow
rate are too high
Prairie Pro Operator's Manual MY19 - REV 2
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COMMON CAUSES
Pump
Excessive bypass on pressure
manifold
Supply to pump is restricted
Bypass line is restricted or
blocked.
Chapter 11
shown in this chapter prior to calling your dealer, or
Goldacres, for service advice
Parts information and schematics can be found in
the parts manual supplied.
COMMON SOLUTION
Check suction line for air leaks.
Suction filter may be blocked.
Check pump speed is between 400 - 540 RPM
Check oil for colour change. If the oil appears milky, a
diaphragm will be damaged and needs to be replaced.
Check valves in pump
Turn the pressure station ball valve to off, if the
pressure increases on the pump gauge there is a
problem with the control valve.
easure the flow per minute coming out of
one nozzle and check the nozzle chart for the
corresponding flow.
Check the regulator valve is rotating the full 90
degrees when the boom valves are switched off.
Check tank sump and suction line blockages.
Verify console calibration settings.
Check the pressure relief valve setting on pressure
manifold.
Verify console calibration settings.
Check for restriction in bypass line.
Check pump speed is not too fast.
Check if Bypass valve is turned on
Continued over page
Chapter 11 - Troubleshooting - 111
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