Figure 7
Hazardous voltage. |
Can shock, burn, |
or cause death. |
Disconnect power |
before working |
on pump or motor. |
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 (Fig. 6).
2.If ceramic seat will not locate properly, remove it, place face up on bench and reclean 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" (19mm) standard pipe for pressing purposes. NOTICE: Be sure not to scratch or mar polished surface or seal will leak.
4.Replace slinger on end of motor shaft so that impeller sleeve will push it into position. If slinger shows signs of wear or damage, replace it.
5.Remount seal plate on motor. Tighten bolts to
6.Apply a small amount of liquid detergent to inside diameter of rotating half of seal.
7.Slide rotating seal member, polished carbon face out, over impeller sleeve until rubber drive ring hits back of impeller.
NOTICE: Be sure not to nick or scratch polished seal face; seal will leak if face is damaged.
8.Screw impeller onto shaft (clockwise); this will automatically locate seal in seal plate.
NOTICE: On 2 HP model; install impeller gasket and lock screw (left- hand thread - turn counterclockwise). Torque lock screw to
9.Mount diffuser on seal plate; tighten screws to
10.Assemble motor and seal plate to pump body with nuts, flat washers and lock washers. Torque nuts to
11.Prime pump according to instructions on Page 7.
TROUBLESHOOTING GUIDE
Read and understand safety and operating instructions in this manual before doing any work on pump!
Only qualified personnel should electrically test pump motor!
FAILURE TO PUMP; REDUCED CAPACITY OR DISCHARGE PRESSURE
Suction leaks/lost prime:
1.Pump must be primed; make sure that pump volute and trap are full of water. See priming instructions, Page 7.
2.Make sure there are no leaks in suction piping.
3.Make sure suction pipe inlet is well below the water level to prevent pump from sucking air.
4.If suction trap gasket is defective, replace it.
5.Make sure pump is not trying to lift water more than 10'(3m).
6.Make sure suction pipe is at least
10
