D DeepSea New Member Feb 23, 2013 #1 Recently pulled my air pump due to bearing noise. Notice a plug on the air pump that seems to be a oil plug. Is the air pump supposed to have oil in it or is this a drain?? Attachments image.jpg 258.2 KB · Views: 250 Last edited: Feb 23, 2013
Recently pulled my air pump due to bearing noise. Notice a plug on the air pump that seems to be a oil plug. Is the air pump supposed to have oil in it or is this a drain??
