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3. When the tank has drained completely, install
the valve to frame with the lynch pin removed
previously and close the drain valve (Figure 28).
4. Fill the tank with at least 50 US gallons (190 L) of
clean fresh water and close the cover.
Note: You can use a cleaning/neutralizing agent in
the water as needed. On the final rinse, use only
clean, clear water.
5. Start the engine.
6. With the range selector in the Neutral position,
press the accelerator pedal to the floor and set the
neutral engine speed lock switch to the On position.
7. Ensure that the agitation control valve is in the On
position.
8. Set the pump switch to the On position and use the
application rate switch to increase the pressure to
a high setting.
9. Set the master boom switch and boom control
switches to the On positions to begin spraying.
10. Allow all of the water in the tank to spray out
though the nozzles.
11. Check the nozzles to ensure that they are all
spraying correctly.
12. Set the master boom switch to the Off position,
set the pump switch to the Off position, and stop
the engine.
13. Repeat steps 4 through 12 at least 2 more times to
ensure that the spray system is fully cleaned. On the
last cycle, run the last few gallons of water through
the drain valve to clear the drain tubing.
14. Clean the strainer; refer to Cleaning the Suction
Strainer in the Cleaning section.
Important: If you used wettable powder
chemicals, clean the strainer after each tank.
15. Using a garden hose, spray off the outside of the
sprayer with clean water.
16. Remove the nozzles and clean them by hand.
Replace damaged or worn nozzles.
32
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