A.R.I Maintenance Manual here
A.R.I. Information
DC-500 Maintenance Info 3/4" - 2"
DC-500 / RP-500 Repair Slides 1/2" - 1"
RP-500 Operations, Maintenance and Troubleshooting Guide 3/4" - 2"
Videos
Click to see an animation and how it works videos. Scroll down to view after clicking.