Maintenance; Ordering Replacement Parts - Pentair Berkeley B2X Owner's Manual

Maintenance

Seal Replacement
1. Refer to Figure 2. Remove pump case from seal plate
to expose impeller and mechanical seal.
Seal Plate
Figure 2 - Seal components and orientation
NOTICE Gasket(s) may be damaged during
disassembly. Replace with new gasket(s) at this time.
2. Hold engine shaft stationary and unscrew impeller.
Remove rotating body of mechanical seal.
3. Remove seal plate from engine, then tap ceramic
seat out of seal plate from the back.
4. Clean ceramic seat cavity in seal plate thoroughly
before installing new seal.
NOTICE Make sure that seal faces are clean;
do not scratch or damage new seal face during
seal replacement.
5. Lubricate ceramic seat with mineral oil and press
into seal plate cavity.
6. Lubricate shaft sleeve with mineral oil and slide seal
body into place. If an impeller spacer was provided
with pump between shaft sleeve and impeller,
replace it.
7. Screw impeller back on engine shaft and re-install
pump case.
Seal Cavity
Gasket
Shaft Sleeve
Seal Ceramic Seat
Seal Rotating
Body
Impeller

Ordering Replacement Parts:

Locate the Berkeley nameplate on pump. This plate is
normally on the pump case or bracket. (Seal Plate). A
typical nameplate is shown in Figure 3.
MODEL
IMPELLER DIA.
Figure 3 - Example nameplate
Provide all nameplate data when
ordering repair parts.
To be sure of receiving correct parts, provide all name-
plate data when ordering. B.M. (Bill of Material) number
is most important.
Write the nameplate information below, as nameplates
can become worn or lost.
216 0993
Model:
S.N. or Date:
Impeller Dia.:
B.M.
Example only
BERKELEY PUMPS
S.N. OR DATE
B3TQKHS-14
001B12P
B.M.
6.59"
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6
B71543
199 0212