Toro 41199 Operator's Manual page 30

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.
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