Rotary Piston Pump Depot Repair: Rotary Piston Pumps

Rotary Piston Pump
Description of a typical Rotary Piston Pump (DK & E Series) Regular Repair:
  1. Remove toxic materials and safely dispose of them in accordance with state and federal regulations.
  2. Clean the working surfaces.
  3. Replace consumable parts (o rings, gaskets, shaft seals, bearings).
  4. Replace if necessary (sight glasses, exhaust valves, gas ballast assemblies, dirt traps, pistons, cams, slide valves, gears).
  5. Reuse bearing plates, exhaust box, and main housing.
  6. Check motor operation.
  7. Rebuild and test to factory specifications.
  8. Repair and re-label.
Items not covered in the repair include motors, main housings,
exhaust boxes, gearboxes, feet, PFPE fluid, and missing parts.