Installation - Craftsman 83.3050 Manual Del Operador

PUMP INSTALLATION
Set the pump on the bottom of the sump, making sure that
it sits solidly and is level. Be sure there is enough space
around the pump to allow the switch free movement as the
sump water level changes. Do not install the pump on clay,
earth, or sand surface.
Risk of flooding. Can cause personal injury
and/or property damage. If a flexible discharge hose is
used, pump may move around in sump when motor starts.
If it moves far enough so that the switch hits the side of
the sump, the switch may stick and prevent pump from
starting. Make sure that pump is secured so that it cannot
walk around in sump.
Hose Kit No. 27909 can be used as the discharge pipe.
Run the discharge pipe to the nearest sewer outlet or other
point of disposal. Use the most direct route and the fewest
turns and elbows possible.
Use PTFE pipe thread sealant tape to seal threads in
plastic pipe. Hand tighten only.
NOTICE To avoid backflow into sump when pump shuts
off, install a Check Valve, Sears Stock No. 2789, in
threaded discharge port of pump. A SEARS No. 2789
Check Valve is constructed with an anti-airlock hole. If
you use a SEARS No. 2792 or any other check valve,
drill a 1/8" hole in the discharge pipe just above the pump
discharge port and below the Check Valve to prevent pump
from air locking.
Make sure the air-bleed hole is down inside the sump so
that it does not run water on the basement floor when the
pump is running.
AU TOMATIC FLOAT SWITCH INSTALLATION
AND OPERATION
Your Sears Submersible Drainer comes with the automatic
float switch mounted on the motor housing ready for
operation. Tether length is factory set at 3" (76mm), as
shown in Figure 2. Do not change tether length.
INSTALLATION / ELECTRICAL
Figure 2
Switch tether is factory set at 3" (76mm).
NOTICE Do not change tether length.
Always disconnect the pump and switch from the electrical
power source before doing any maintenance!
Follow instructions below to install pump with factory
mounted switch:
1.
2.
3.
DO NOT ALLOW PUMP TO RUN DRY!
Be sure to leave at least 5" (127mm) of water above pump
base plate when pump stops. Running pump dry could ruin
the pump and will void the warranty.
4
3"
(76 mm)
Risk of electric shock. Can shock, burn or kill.
Be sure automatic float can swing freely through its
entire arc without interference from pump, piping,
sump wall or any other object.
Plug the automatic switch cord into a
properly grounded outlet (see ELECTRICAL
CONNECTIONS). Plug the pump power cord into the
back of the switch plug.
Test the installation by adding water to the sump pit
until pump operates normally as follows:
A. When sump is dry, the watertight automatic float
switch is hanging in a downward position and the
pump is off.
B. As water comes into the sump, the automatic
float switch rises to an upward position and the
pump starts.
C. Water will continue to be pumped until the float
switch is hanging in the downward position again,
when pump will stop.