The document discusses the selection, use, maintenance, and calibration of backpack sprayers. It recommends buying high-quality equipment and performing regular maintenance. Proper use includes not overpressurizing the sprayer and storing it properly. Calibration involves measuring the amount of water and chemical needed to treat a set area. Maintaining and calibrating the sprayer properly helps ensure successful application.

1. Backpack Sprayers:
Selection
Use
Maintenance
Calibration
SWVMA
Andrew Greess
Our Equipment. Your Success.
Casa Grande, AZ
November 2009 www.qspray.com

2. Backpack Sprayers: Selection
 High Quality:
Professional Grade
Pump mechanism
Valve
 Replacement Parts
Our Equipment. Your Success.
www.qspray.com

3. Backpack Sprayers: Use
 Check it out
 Don’t over pressurize
 Release the pressure
 It’s a spray wand, not a crowbar!
 Proper Storage
 Prevent Freezing
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www.qspray.com

4. Backpack Sprayers: Proper Use
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5. Backpack Sprayers: Proper Use
Our Equipment. Your Success.
www.qspray.com

6. Backpack Sprayers: Maintenance
By Technician
 Clean the filter
 Clean it Out
 Clean tips
 Grease it
 Carry Emergency Repair Kit
 Report Problems
Our Equipment. Your Success.
www.qspray.com

7. Backpack Sprayers: Maintenance
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8. Backpack Sprayers: Maintenance
By Management
 Preventative Maintenance Saves $$$$
 Spot Checks
 Training
 Track failures
Our Equipment. Your Success.
www.qspray.com

9. Backpack Sprayers: Calibration
QUESTION.
How much chemical should I put in my
backpack?”
Our Equipment. Your Success.
www.qspray.com

10. Backpack Sprayers: Calibration
 Use only Water
 For a given set of circumstances
- Backpack
- Tip
- Adjustment
- Product
- User/speed/rate
- Temperature Our Equipment. Your Success.
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11. Backpack Sprayers: Calibration
 Measure out specific area, e.g., 500 sq. ft.
 Measure a specific volume, e.g., 4 gallons
 Bring backpack up to desired pressure
 Methodically apply to area
 Measure remaining water
Our Equipment. Your Success.
www.qspray.com

12. Backpack Sprayers: Calibration
Calculation
- Test result = 2 gallons for 500 square feet
- Product label = 1 gallon/acre (128 oz/43,000 sq ft.)
128 oz. 2.98 oz. 1.49 oz.
43,000 sq. ft.
= 1000 sq. ft. = 500 sq. ft.
Result:
1.49 oz/500 sq ft = 1.5 oz. chemical/2 gallons water

13. Backpack Sprayers: Calibration
The Answer:
 1.5 oz chemical/2 gallons of water
 .75 oz chemical/gallon of water
FOR THE GIVEN CONDITIONS
Our Equipment. Your Success.
www.qspray.com

14. Backpack Sprayers - Summary
 Buy quality equipment
 Train on proper use
 Perform regular maintenance
 Perform periodic calibration
Our Equipment. Your Success.
www.qspray.com

15. More Info:
www.SprayEquipmentBlog.com
www.qspray.com
 follow on Twitter: AndrewGreess
 email us: Info@qspray.com
 Call us: 602.371.1993 or 800.674.7485
 Please consider us when purchasing/servicing equipment
Our Equipment. Your Success.
www.qspray.com