Pump Reassembly/Installing New Seal
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.
If ceramic seat will not locate properly, remove it, place face up on bench and reclean cavity. Ceramic seat should now locate.
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.
Remount seal plate on motor. Tighten bolts to 60-80 lb/in. (69-92 kg/cm) torque.
Apply a small amount of liquid detergent to inside diameter of rotating half of seal.
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.
Screw impeller onto shaft (clockwise); this will automatically locate seal in seal plate.
Mount diffuser on seal plate.
Assemble motor and seal plate to pump body with nuts, flat washers and lock washers. Torque nuts to 120-130 lb/in. (138-150kg/cm).
Prime pump according to instructions in Priming Pump.
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