Ferris Pathfinder Series Operator's Manual page 17

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 below, there may be other problems with
the system. Refer to the Troubleshooting section for more
information.
1. Fill the spray tank with water.
2. With the engine at full throttle, adjust the unit's spray
system pressure until the pressure gauge reads 20psi.
3. Engage the unit's parking brake and ensure the ground
speed control levers are in the neutral position.
4. 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.
5. Move the pump switch to the "ON" position. Run the
pump for exactly one minute.
6. Measure the collected water. The amount collected for
each tip should be as follows:
• Blue Turbo Teejet Tip: 27 oz/min.
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