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There is a Donaldson made cleaner and oil package. If you don't want to use it, you can use Simple Green to clean and mineral oil to re-oil. Use low pressure water hose from the inside of the filter out to flush cleaner. Don't make the mistake I did when re-oiling, it doesn't take much! Mine dripped oil for weeks after.
From: Dear Karma, I have a list of people you missed.
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16
Re: To Clean Blackwing Filter? (JohnS)
Good advice. Also don't forget: Don't use a blow dryer or any other type of heat to speed up the drying time after washing. It must air dry only. :D
There is a Donaldson made cleaner and oil package. If you don't want to use it, you can use Simple Green to clean and mineral oil to re-oil. Use low pressure water hose from the inside of the filter out to flush cleaner. Don't make the mistake I did when re-oiling, it doesn't take much! Mine dripped oil for weeks after.