Pentair BERKELEY LTHH Serie Notice D'utilisation page 9

Maintenance
Figure 16: Remove Seal plate
Figure 17: Tap Out Seal
Figure 18: Press in New Seal
Be Careful That ...Does Not Damage
Motor Shaft Shoulder...
Seal Face
Ceramic
Face
Figure 19: Protect Seal Faces
capacitor wires to motor.
5. Slide 7/16" open end wrench in behind spring loaded switch on motor
end of shaft; hold motor shaft with wrench on shaft flats and unscrew
impeller screw (if used) by turning clockwise (left hand thread) when
looking into eye of impeller.
6. Unscrew impeller while holding shaft by turning counterclockwise
while looking into eye of impeller.
7. To reinstall, reverse steps 1 through 6.
8. See directions under "Pump Reassembly," Page 10.
REMOVING OLD SEAL
3029 0997
1. Follow instructions under "Pump Disassembly".
2. Follow steps 2 through 5 under "Cleaning/Replacing Impeller".
3. Remove rotating half of seal by placing two screw drivers under seal
ring and carefully prying up (Figure 16).
4. Remove nuts from studs holding seal plate to motor. Carefully slide
seal plate off of 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!
5. Place seal plate half face down on flat surface and tap out stationary
half of seal (see Figure 17).
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!
3030 0997
3. Put clean cardboard washer on seal face. With thumb pressure, press
ceramic seal half firmly and squarely into seal cavity (See Figure 18).
Polished face of ceramic seat is up. If seal will not seat correctly,
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
3031 0997
up.
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
Carbon
clean or short seal life will result.
Face
1072 0697
9