I have a model 88, but have never taken the action completely apart. After looking at a breakdown sheet I decided that cleaning it out with gun scrubber aerosol would be better. Talked to a gunsmith and he said that they are hard to get back together correctly. I heard that there was a gunsmith in the Moses Lake area who was good with them, unfortunately I don't know his name. Model 88s are great guns, Good Luck.
Dave