U.S. Seal 5-8 Buna Carbon Pump Shaft Seal PS-3960

January 24, 2013 in Pumps Mixed Parts by PoolSpaRemote


U.S. Seal 5-8 Buna Carbon Pump Shaft Seal PS-3960

Pump Shaft Seal 5/8 Buna Carbon Version of PS-200 made by U.S. Seal PS-3960

INSTALLATION INSTRUCTIONS FOR REPLACEMENT SEALS

  1. Disassemble pump cavity to expose defective seal. Removal of old seal and
    installation of new seal requires careful operations and precautions.
    CAUTION: Lapped and polished faces of new seal are easily scratched and
    damaged. PROTECT FROM DAMAGE, DIRT and FINGER PRINTS.
  2. Carefully remove old seal head and seat taking care not to scratch shalt or seat
    counterbore. NOTE HOW OLD SEAL IS ASSEIVIBLED. BE SURE REPLACE
    MENT SEAL IS INSTALLED IN IDENTICAL MANNER.
  3. Clean shaft and counterbore surfaces using fine emery cloth or equivalent
    Remove rust, burrs, and wipe clean.
  4. Shaft, seat counterbore and rubber members of seal head and seat should be
    lubricated with a lubricant compatible with the seal elastomers. U.S
    SEALUBE is recommended and available from US Seal. U.S. SEALUBE is a
    WATER BASED formula specifically designed to lubricate rubber making the
    installation of mechanical seals fast and easy. It provides a high degree of
    lubricity to all rubber components. It maintains its wetness for a short period of
    time allowing for easy installation of a mechanical seal. NEVER use PTFE or
    SILICONE based lubricants.
  5. Check seal surfaces to be sure they are free of any dirt, grit or lubricants.
  6. Press seal seat firmly into counterbore to be sure it is bottomed square. SLIDE
    SEAL .HEAD ALONG SHAFT MAKING SURE THAT SPRING IS
    CORRECTLY ENGAGED INTO SEAL.
  7. Re-assemble pump and remember that trouble free operation of a pump
    includes making a correct seal installation.