K2 Pumps PPV10001SPK Manual Del Propietário página 13

Pump Disassembly/Removing Old Seal
Before disassembly, disconnect power to pump
motor. Be sure gate valves on suction and
return piping are closed. Release all pressure
by opening all vents.
1. Drain pump by removing drain plugs on
bottom of pump body and trap body.
2. Be sure there is no pressure in trap body;
remove cover (unscrew by turning counter-
clockwise).
3. Remove eight nuts, lock washers and flat
washers holding seal plate to pump body.
Pull seal plate and motor away from pump body. You may have to CAREFULLY use a screwdriver to separate
body from seal plate.
4. Remove two screws holding diffuser to seal plate. Remove diffuser.
WARNING: Hazardous voltage. Capacitor voltage may be hazardous.
To discharge motor capacitor, hold insulated handle screw driver BY THE
HANDLE and short capacitor terminals together. Do not touch metal
screwdriver blade or capacitor terminals. If in doubt, consult a qualified
electrician.
5. Hold shaft with flat-head screw on motor shaft flats.
6. Unscrew impeller from shaft (turn counter clockwise when facing it).
7. Remove four screws holding seal plate to motor.
8. Place seal plate face down on flat surface and tap out ceramic seat.
9. Clean seal cavity in seal plate and clean motor shaft.
Pump Reassembly/Installing New Seal
1. Ceramic seat must be clean and free of dirt, grease, dust, etc. Wet outer edge
with small amount of liquid detergent; press ceramic seat into seal plate cavity
firmly and squarely with finger pressure.
2. If ceramic seat will not locate properly, remove it, place face up on bench and
re-clean cavity. Ceramic seat should now locate.
3. If seat still will not locate properly, place a cardboard washer over the polished
face and use a piece of 3/4 in. (19 mm) standard pipe for pressing purposes.
NOTICE: Do not scratch or mar polished surface or seal will leak.
4. Remount seal plate on motor. Tighten bolts to 60-80 inch-lbs. (69-92 kg/cm)
torque.
5. Apply a small amount of liquid detergent to inside diameter of rotating half of seal.
6. Slide rotating seal member, polished carbon face out, over impeller sleeve until rubber drive ring hits back of
impeller.
NOTICE: Do not nick or scratch polished seal face; seal will leak if face is damaged.
7. Screw impeller onto shaft (clockwise); this will automatically locate seal in seal plate.
8. Mount diffuser on seal plate.
9. Assemble motor and seal plate to pump body with nuts, flat washers and lock washers. Torque nuts to 120-130 in-
lbs. (138-150kg/cm).
10. Prime pump according to instructions in Priming Pump.
For Professional Technical Support call 1-844-242-2475 13