How To Rebuild Wobble Piston AC Vacuum Pump 66125

How to replace the sealing rings in a Gast N70 Wobble Piston Type - 4 SCFM [113 liters/minute] - AC Vacuum Pump Pump: https://www.wpg.com/catalog/66125 Gaskets and Parts: https://www.wpg.com/catalog/66178 00:00 Background 00:44 Tools Needed 00:56 Disassembling Pistons 01:52 Replacing Piston Cup 02:35 Disassembling Pump Head 03:31 Replacing Exhaust Plates 04:45 Replacing Intake Plates 06:05 Replacing O-Rings & Reassembly