Shaft Seal for Ultra-Flow, WhisperFlo and IntelliFlo Variable Speed Pumps made by U.S. Seal PS-1000 071734S
INSTALLATION INSTRUCTIONS FOR REPLACEMENT SEALS
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.
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.
Clean shaft and counterbore surfaces using fine emery cloth or equivalent
Remove rust, burrs, and wipe clean.
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.
Check seal surfaces to be sure they are free of any dirt, grit or lubricants.
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.
Re-assemble pump and remember that trouble free operation of a pump
includes making a correct seal installation.
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