It is as simple as removing the screws. Take care not to strip heads, use a regular old screwdriver. When you remove the ends you can take the rollers out, clean them and then use some kind of lubricant on them. I use white lithium grease, just a small amount and then reassemble using a feeler gauge to check the gap setting. Factory is usually .039, many go lower, .030 for me. If you want to oil without taking it apart you could just dribble some oil between the roller end and the end plate. I don't like to do it that way because it just gums up with any flour dust that is inbetween.