Spray-Equipment Filtration

For new equipment, check the filter daily. If there’s consistently no debris, consider reducing the frequency. When the appropriate frequency is determined, make it a departmental policy. Checking a filter too often is better than too seldom.

Make sure techs do not lose the filter’s rubber gasket when checking the equipment.

Reinforce with spray techs the importance of checking and cleaning the filter. Supervisors should spot-check equipment to make sure technicians are inspecting and cleaning filters regularly. Provide positive reinforcement to technicians who have clean filters and training to techs with dirty or clogged filters. If consistent violators are advised they will be responsible for any damage resulting from their negligence, performance should improve.


Eventually the filter will become too dirty to clean and should be replaced. Chemicals will eventually swell the gasket in the line strainer, making it impossible to create an airtight seal, causing the pump to suck air. When this occurs, replace the gasket.

Consider stocking each vehicle with a spare filter and gasket. This


Without good filtration, debris accumulates in the system.

allows the technician to perform the repair in the field, saving downtime driving back to the shop. If the filtration has been standardized, stocking these parts is easy.

Eventually an aged filter body may crack, causing an air leak. This prevents the pump from sucking water from the tank, a situation that requires replacement of the entire unit. Supervisors and maintenance personnel should be trained to look for these problems. 

These steps, if followed, will boost productivity, allow you to provide better service to all stakeholders. and reduce repair expenses.

Andrew Greess is the President of Quality Equipment & Spray, which designs and builds custom landscape spray equipment. He can be reached at www.qspray.com, or follow him on Facebook. For more information or to share your thoughts, check out his blog at www.sprayequipmentblog.com.

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