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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Airblast maintenance inspection – the morning walkaround

Adjusting the nozzles on a fishtail-style nursery sprayer.

An airblast sprayer inspection is part of preventative maintenance. This daily activity identifies small problems before they become big ones. You can do it at the filling station, so it’s fairly convenient. Don’t think of it as stealing time from your spray day… it’s part of your spray day. Don’t skip it. If time is […]

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Cleaning an airblast sprayer

Next to sprayer math, cleaning the sprayer is one of the more distasteful aspects of airblast spraying. It’s time-consuming, you never really know when you’re finished, and sprayer manufacturers and pesticide labels offer only limited guidance. Clean sprayer rinsate often looks and smells exactly like contaminated sprayer rinsate. When airblast sprayers are not cleaned as […]

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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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Continuous rinsing for airblast sprayers

Why Rinse? Airblast sprayers are not rinsed as frequently or as diligently as field sprayers. This is primarily because they are not used to spray herbicides, so residue carry-over doesn’t incur an immediately obvious penalty. The typical operator rinses prior to long-term storage or when cross contamination might cause some form of antagonism (e.g. dormant […]

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