Spray application manual
31 January 2025
Spraying system components and set up
This section consists of 5 modules. In these modules, spray operators can access information on pumps, plumbing and components, GPS systems, rate-controller functions and settings. Details are provided on boom stability and height control. Information is also available on weight, balance and tyres.
Module 11: Pumps, plumbing and components
Module 11 explains how pumps, plumbing and components work together.
- 11.1: Introduction
- 11.2: The main spray tank
- 11.3: The flush tank
- 11.4: Hand-wash tank
- 11.5: Filtration
- 11.6: Pumps
- 11.7: Regulating valves
- 11.8: Flow meters
- 11.9: Boom valves
- 11.10: Nozzle bodies and mounting
- 11.11: Non-drip check valves
- 11.12: Number of outlets on the nozzle body
- 11.13: Boom re-circulation
- 11.14: Hydraulics for the pump and plumbing system
- 11.15: Pressure gauges
- 11.16: Boom section control
- 11.17: Examples of common plumbing configurations and tips
- 11.18: General plumbing tips for installing hoses and fittings
- 11.19: Summary
Module 12: GPS systems
Module 12 covers the GPS systems available.
- 12.1: Introduction
- 12.2: Satellite constellations for positioning
- 12.3: Correction signals to improve accuracy
- 12.4: Integration of GNSS/GPS with the spray rig
- 12.5: Steering options
- 12.6: Considerations and requirements of GPS/GNSS for spraying operations
- 12.7: Section or swath control
- 12.8: Variable-rate application (VRA)
- 12.9: Summary
Module 13: Rate-controller functions and settings
Module 13 focuses on optimising rate-controller functions and settings to achieve the best spraying performance. By following these steps, operators can maximise the efficiency of the rate controller, leading to more accurate and effective spraying applications.
- 13.1: Introduction: the primary function of a rate controller
- 13.2: Inputs required
- 13.3: Settings available on common controller types
- 13.4: Factors affecting the controller’s ability to effectively regulate sprayer output
- 13.5: Functions the operator should consider using
- 13.6: Display outputs
- 13.7: Summary
Module 14: Boom stability and height control
Module 14 covers the importance of design and height control for boom stability.
Module 15: Weight, balance and tyres
Module 15 explains the impact of weight, balance and tyres on sprayer performance and safety.