| Seal Kit Installation Instructions 1. Loosen 4 Socket Head Cap Screws or 4 Sleeve Nuts (Part #13) to remove Head (Part #1) or Cap (Part #7). 2. Remove Head and Cap to access Piston/Rod Assembly (Part #8 & #9) 3. Carefully remove seals. (Part #2, #3, #5, #6, and #10) Any damage to the seal grooves may result in leakage. 4. Lubricate all seals with supplied Numatics' Lube. Examine seals before installing for any contamination. Contamination may cause leakage. 5. Install Quad Piston Seal (Part #10). Make sure the piston seal is not twisted inside groove. 6. Sink piston/rod assembly into sinker tube. 7. Apply lube inside the cylinder tube (Part #11). 8. Sink piston/rod assembly into cylinder tube. 9. Press piston/rod assembly flush with the cylinder tube. Wipe off any lube from the face of the piston. 10. Place Tube End Seals (Part #6) into head and cap seal grooves. Examine seals after installing for any contamination. Contamination may cause leakage. 11. Install Backup Ring (Part #2) and Rod Seal (Part #3) into head. After installation, lightly grease Rod Seal. This will ease the installation of the loaded head over the rod. 12. Reassembly cylinder. Loosely torque 4 Socket Head Cap Screws or 4 Sleeve Nuts to allow head and cap to rotate slightly. 13. Before final torque, place cylinder on level surface. This will ensure that the cylinder head and cap are square. Torque Socket Head Cap Screws or Sleeve Nuts in a crisscross pattern. Use the following charts for torque tolerances for Socket Head Cap Screws or Sleeve Nuts. 14. Stroke cylinder by hand. This will enable detection of any binding. If binding does occur, repeat steps 12-14. See Seal Installation Guide on page 30 for additional (visual) instructions. |