11
SERVICE & MAINTENANCE
This centrifugal pump requires little or no regular service
other than reasonable care and periodic cleaning. Occasion-
ally, however, a shaft seal may become damaged and must be
replaced. The procedure as outlined below will enable you to
replace the seal.
NOTICE: The highly polished and lapped faces of the seal are
easily damaged. Read instructions and handle the seal with
care.
REMOVAL OF OLD SEAL
1.
After unscrewing impeller, carefully remove rotating part of seal by
prying up on sealing washer, using two screwdrivers (see Figure A).
Use care not to scratch motor shaft.
2.
Remove seal plate (baffle) from motor and place on flat surface, face
down. Use a screwdriver to push ceramic seat out from seal cavity (see
Figure B).
INSTALLATION OF FLOATING SEAL
(Figure C)
1.
Clean polished surface of floating (ceramic) seat with clean cloth.
2.
Turn seal plate over so seal cavity is up; clean cavity thoroughly.
3.
Lubricate outside rubber surface of ceramic seat with silicone based
lubricant, ensuring no lubricant gets on the polished ceramic wear face,
and press firmly into seal cavity with finger pressure. If seat will not
locate properly in this manner, place a cardboard washer over polished
face of seal and press into seal cavity using a
socket or 13mm
piece of standard pipe.
½” 13mm
Liquid may be HOT, release pressure before servicing.
½” 13mm socket
or 13mm pipe
L100100_400Series_OM
Wednesday, 13 March 2013 9:13:39 AM
