Pentair BERKELEY BPD Serie Notice D'utilisation page 11

Maintenance
Figure 23 – Tap Out Seal
Figure 24 – Press in New Seal
Be Careful That
...Does Not Damage
Motor Shaft Shoulder...
Seal Face
Ceramic
Face
Figure 25 – Protect Seal Faces
To avoid electrical
shock hazard, use
insulated-handle
screwdriver to short
capacitor terminals
as shown.
Figure 26 – Hold Shaft
NOTICE: Be sure you do not scratch or mar shaft; if shaft is marred,
it must be dressed smooth with fine emery or crocus cloth before
installing new seal. DO NOT reduce shaft diameter!
4. Place pump body half face down on flat surface and tap out stationary
half of seal (see Figure 23).
INSTALLING NEW SEAL
1. Clean seal cavity in seal plate.
2. Wet outer edge of Rubber Cup on ceramic seat with liquid soap.
Be sparing!
3. Put clean cardboard washer on seal face. With thumb pressure, press
ceramic seal half firmly and squarely into seal cavity (See Figure 24).
Polished face of ceramic seat is up. If seal will not seat correctly,
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remove, placing seal face up on bench. Reclean cavity. Seal should
now seat correctly.
4. If seal does not seat correctly after recleaning cavity, place a cardboard
washer over polished seal face and carefully press into place using a
piece of standard 3/4" pipe as a press.
NOTICE: Be sure you do not scratch seal face.
5. Dispose of cardboard washer and recheck seal face to be sure it is free
of dirt, foreign particles, scratches and grease.
6. Inspect shaft to be sure it is free of nicks and scratches.
7. Reassemble pump body half to motor flange. BE SURE it is right
side up.
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8. Apply liquid soap sparingly (one drop is sufficient) to inside diameter of
rotating seal member.
9. Slide rotating seal member (carbon face first) onto shaft until rubber
drive ring hits shaft shoulder.
NOTICE: Be sure not to nick or scratch carbon face of seal when passing it
over threaded shaft end or shaft shoulder. The carbon surface must remain
clean or short seal life will result.
10. Hold motor shaft with 7/16" open end wrench on shaft flats and screw
impeller onto shaft. Be sure you do not touch capacitor terminals with
body or any metal object. Tightening impeller will automatically locate
Carbon
Face
seal in correct position.
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11. Remount diffuser on pump body half with five screws.
12. Follow instructions under "Pump Reassembly".
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