Airblast Spring Start-up and Winterizing

Any description of airblast sprayer start-up must, contextually, make assumptions on how it was winterized for long-term storage. This cyclic relationship is why I use a chicken-and-egg title slide when giving this presentation. The inability to describe one process without the other is further complicated by the possibility that the sprayer is brand new and was […]

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Pressure spikes and relief valves on air-assist sprayers

A properly-sized pump should produce more flow than is needed and work in conjunction with the atomizers to regulate that flow. Typical to high pressure pumps, a piston relief valve (aka regulator) should maintain the desired system pressure through the normal speed range of the sprayer, regardless of the number of booms (or boom-sections) that […]

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Sprayer Wheel Maintenance

Replace the wheel and rim.

This article was co-written with Murray Thiessen, Consulting Agricultural Mechanic. Sprayer wheel assemblies should be cleaned and inspected as part of regular annual maintenance. Wheel bearing maintenance before long-term storage may prevent water from corroding the bearings. The exploded diagram details the parts found in a typical trailed air-assist sprayer wheel assembly. The following procedure was performed […]

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Remove and scrub your filters

This article was co-developed by Mike Cowbrough, OMAFRA Weed Management Specialist in Field Crops Why scrub filters? Why do we ask you to manually scrub residue from sprayer filters and housings before changing chemistries? Here are three reasons why rinsing in-place may not be good enough: There is potential for biologically-active levels of residue to […]

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Biobeds for Pesticide Waste Disposal

One of the most challenging aspects of a spray operation is the disposal of leftovers or rinsate containing pesticides. Let’s be honest, too much of it is drained onto the ground in a corner of the yard or the field. Nobody’s happy about that, nobody’s proud of it, but what are the alternatives? Waste disposal […]

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