Hardi KS Series, Instruction Book

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spraying again. Unauthorized persons and animals must not have
access to the sprayer under these circumstances.
If the product applied is corrosive, it is recommended to coat all metal
parts of the sprayer before and after use with a suitable rust inhibitor.
Remember: Clean sprayers are safe sprayers.
Clean sprayers are ready for action.
Clean sprayers cannot be damaged by pesticides
and their solvents.
Filters
Clean filters ensure :
• Sprayer components such as valves, diaphragms and operating unit
are not hindered or damaged during operation.
• Nozzle blockages do not occur whilst spraying.
• Long life of pump. A blocked suction filter will result in pump
cavitation.
Suction filter
The main filter protecting sprayer components is the suction filter.
Check it regularly.
The sprayer has a suction filter placed in the top of the tank.
BK Pressure filter
The BK operating unit has an built-in pressure filter. Unscrew the filter
bowl to inspect and clean the filter.
Alternative filters are available.
See section on Technical specifications - Filters and nozzles.
Lubrication
After 40 hours’ operation the diaphragm pump is lubricated with ball
bearing grease Lithium No. 2.