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Installation / Maintenance 5
2. Install discharge plumbing. When using rigid pipe, use
plastic pipe. Wrap thread with Teflon tape or use
Plasto-Joint Stik*. Screw pipe into discharge fitting
hand tight +1 – 1-1⁄2 turns.
NOTE: Do not use ordinary pipe joint compound on plas-
tic pipe. Pipe joint compound can attack plastics.
3. To reduce motor noise and vibrations, a short length of
rubber hose (1-7⁄8" I.D., e.g. radiator hose) can be con-
nected into discharge line near pump using suitable
clamps.
4. Install an in-line check valve to prevent flow back-
wards through pump when pump shuts off.
5. Thread vent pipe into 1-1⁄2" NPT black vent fitting in
basin cover. Pipe should not extend into basin.
Connect vent pipe to sewer vent system.
6. Power Supply: Pump is designed for 115 V., 60 Hz.,
operation and requires a minimum 15 amp individual
branch circuit. Both pump and switch are supplied
with 3-wire cord sets with grounding-type plugs.
Switch plug is inserted directly into outlet and pump
plug inserts into opposite end of switch plug.
Hazardous Voltage. Pump should always be
electrically grounded to a suitable electrical ground such
as a grounded water pipe or a properly grounded metallic
raceway or ground wire system. Do not cut off round
ground pin.
7. If pump discharge line is exposed to outside sub-freez-
ing atmosphere, portions of line exposed must be
installed so any water remaining in pipe will drain to
the outfall by gravity. Failure to do this can cause
water trapped in discharge to freeze which could result
in damage to pump.
8. After piping and check valve have been installed, unit
is ready for operation.
9. Check operation by filling sump with water and
observing pump operation through one complete
cycle.
Risk of flooding. Failure to make this opera-
tional check may lead to improper operation, premature
failure, and flooding.
MAINTENANCE
Risk of electric shock. Make certain that the
pump is unplugged before attempting to service or remove
any component.
Risk of electric shock. Do not handle a
pump or pump motor with wet hands or when standing
on wet or damp surface, or in water.
1. Keep pump inlet screen clear.
2. Shaft seal depends on water for lubrication. Do not
operate pump unless it is submerged in water as seal
may be damaged if allowed to run dry.
3. Motor is equipped with automatic reset thermal protec-
tor. If temperature in motor should rise unduly, switch
will cut off all power before damage can be done to
motor. When motor has cooled sufficiently, switch will
reset automatically and restart motor. If protector trips
repeatedly, pump should be removed and checked for
cause of difficulty. Low voltage, long extension cords,
clogged impeller, very low head or lift, etc., could
cause cycling. Refer to Trouble shooting Guide on
Page 6 for additional information.
4. Periodically inspect pump, system components, and
sump for debris and foreign objects. Keep sump free of
all refuse. Perform routine maintenance as required.
Pump Cleaning
NOTE: Attempting to disassemble motor will void warranty.
1. Use the pump ring to lift pump out of basin and place
pump on a clean level surface.
Risk of electrical shock. Shock can burn or
kill. Do not lift pump by power cord.
2. To clean impeller, remove eight screws holding base-
plate to motor assembly. Clean impeller as necessary.
3. Re-install baseplate and screws.
4. Use pump ring to replace pump in basin.
Discharge
Vent
Pump
Figure 9 – Typical wet bar installation
Discharge
Vent
Pump
Figure 10 – Typical installation for laundry sinks and
washing machines