Brandt SB4000, Operator'S Manual

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5.4.2 CHANGING CHEMICALS
IMPORTANT: A thorough cleaning is required when changing from one chemical to another, particularly
when 2,4-D has been used. A small amount of residue in the tank can adversely affect the
performance of some chemicals. Follow the chemical manufacturer’s recommendations
on the proper safety procedures when working with chemicals.
1. Flush the tank with clean water and drain.
2. Rinse the tank with a strong detergent to remove any traces of herbicide. Wash inside tank with a mop.
3. Rinse the tank with clean water and drain.
4. Add 450 L (100 Imperial gallons) of clean water. Add one part ammonia for every 100 parts water.
5. Engage the pump and circulate the solution through the sprayer system. Spray 25 Imperial gallons (100 L)
through the nozzles.
6. Allow the remaining solution to sit in the tank for a minimum of eight hours.
7. Recirculate the solution for 10 minutes and drain the tank.
8. Open the mix and fill tank drain to fully drain the induction hose.
9. Rinse the tank and Wind Cones thoroughly with clean water.
5.5 NOZZLE CLEANING
NOTE: Clean nozzles are important for good distribution and proper flow rate. Clean the nozzles before calibrating
the sprayer or as required.
CAUTION! Use rubber gloves, protective eye wear and protective clothing when cleaning or
working with components covered with active chemical.
Follow the chemical manufacturer’s safety procedures when working with chemicals.
IMPORTANT: To prevent nozzle damage, never use a metal object when cleaning nozzle orifices. Use a
plastic or wooden probe or a toothbrush.
1. Remove the nozzle tips from the sprayer.
2. Clean plugged nozzles with a plastic or wooden probe or a toothbrush.
3. Wash out nozzle strainers.
4. Blowout the nozzles and nozzle strainers with compressed air not exceeding 275 kPa (40 psi).
5. Replace tips onto the sprayer nozzle.