Jandy HHPlus Series Panduan Instalasi dan Pengoperasian - Halaman 12

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Page 12

9.4 Mechanical Seal Replacement

1.
Follow steps 1-7 of section 9.2, "Removing the
Impeller."
2.
Remove the ceramic seal from the impeller first,
by prying between the ceramic and the rubber
gasket working in a circle, then remove the
rubber seal. Do not pry between the rubber and
the plastic impeller, as this will damage the
impeller (See Fig. 5).
3.
Lubricate (water) the perimeter of the new seals
rubber gasket.
4.
Press the new ceramic seal and rubber gasket
assembly onto the impeller.
5.
Use Windex or alcohol to remove any
fingerprints from the ceramic seal.
6.
Using a hammer, tap the old metal w/spring seal
out of the mounting bracket from the back side.
7.
Clean any silicone residue from the mounting
bracket where the seal was removed.
8.
Apply new silicone sealant to the perimeter of
the new seal and press it into the mounting
bracket by hand (See Fig. 6).
9.
Follow steps 1 thru 15 of section 9.3, "Replacing
the Impeller."
Diffuser O-Ring
Diffuser Screws (3)
Diffuser
Mechanical Seal
Mounting Bracket
Figure 4. Mechanical Seal Replacement
Impeller
Pump Body
O-Ring
Rubber Gasket
Ceramic Seal
Impeller side of the
mechanical seal
Pry here, in-between rubber and
ceramic
Figure 5. Mechanical Seal Replacement
Figure 6. Mechanical Seal Replacement
Mounting
Bracket
Impeller
Mechanical Seal
(Shown not installed)
Figure 7. Mechanical Seal Replacement
Apply silicone sealant around
outside edge
Mounting bracket side of the
mechanical seal
Diffuser