This section contains five modules to assist the sprayer in preparing for spraying. The modules cover the checks required before commencing operations, checks during and post-operations. Information is provided on mixing and decontamination and the calibration of the spray system. Modules cover mixing, filling and transfer systems and weather monitoring for spraying operations.

Module 6: Pre-operational checks

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Module 6 focuses on keeping everything running smoothly

• 6.1 Reason for completing pre-operational and regular checks
• 6.2 Checks to do when the sprayer is first delivered
• 6.3 Checking the accuracy of the output from the boom
• 6.4 Regular checks to perform during the season
• 6.5 Planning for the next series of spraying operations
• 6.6 Annual check-ups
• 6.7 Summary

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Module 7: Mixing and decontamination

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Module 7 explores avoiding potential problems

• 7.1 Importance of correct mixing and clean equipment
• 7.2 Decontamination Agents
• 7.3 Suggested cleaning process
• 7.4 Mixing products correctly
• 7.5 Checks for physical compatibility - the jar test
• 7.6 Importance of water volume for mixing
• 7.7 Importance of water quality for mixing operations
• 7.8 Summary

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Module 8: Calibration of the spray system

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Module 8 details calibration of the spray system to ensure accuracy

• 8.1 What to calibrate and why?
• 8.2 Speed calibration
• 8.3 Section widths and nozzle spacing
• 8.4 Pressure at the nozzle and nozzle outputs
• 8.5 Flow meter calibration
• 8.6 Inflow meters or tank filling meters
• 8.7 Tank calibration
• 8.8 Calibrate induction hoppers
• 8.9 Fenceline nozzles (and other banded applications)
• 8.10 Tips for calibrating other sprayers

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Module 9: Mixing, filling and transfer systems

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Module 9 introduces techniques and tips to increase efficiency of mixing, filling and transfer systems

• 9.1 Introduction to mixing, filling and transfer systems
• 9.2 Establish your current spraying efficiency
• 9.3 Considerations before upgrading the mixing, filling and transfer systems
• 9.4 Tips and techniques that can increase mixing and transfer efficiency
• 9.5 Mixing vats and batching systems
• 9.6 Summary

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Module 10: Weather monitoring for spraying operations

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Module 10 details how to assess if weather conditions are suitable for spraying

• 10.1 Introduction
• 10.2 Important weather parameters for spray operations
• 10.3 Temperature and humidity
• 10.4 Surface temperature inversions
• 10.5 Using forecast information for planning spraying activities
• 10.6 Weather-monitoring equipment
• 10.7 Weather data and forecasts for planning and conducting spraying operations
• 10.8 Summary

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