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DIAGRAMS
1. Information Concerning the Operating Instructions
Please read these operating instructions carefully. Follow the information
given. Use the operating instructions to get acquainted with the proper
use of your submersible pump.
**For safety reasons, people who are not familiar with these
operating instructions should not use this Submersible Pump.
Following the operating instructions supplied by the manufacturer is
a prerequisite for the proper use of the pump.
2. Application Range and Liquids to be Pumped
Submersible pumps have been designed for private use around your
house and garden. Submersible pumps are predominantly used for
drainage after flooding, transferring liquids, draining containers, taking
water from wells and shafts, draining boats and yachts as well as for
water aeration and circulation for limited period of time.
The pumps are fully submersible (waterproof sealed) and can be
submerged down to the following depth:
Depth
Model #
16.5 ft 5m
ST-900SD
23 ft
7m
SP-550SD, SP-900SD
26 ft
8m
SP-750TD
Liquids which can be handled by the Submersible Pump are the following;
clean or slightly contaminated water (max. particle size 0.2", 5mm or
0.5mm, except the Trash Pump Model # ST-900SD which is 1.4", 35mm)
and soapy water. The pumps are not designed for continuous operation
(e.g. continuous circulating operation); your pumps life will be shortened
correspondingly by such operation.
WARNING
Corrosive, easily combustible or explosive substances
(e.g. gasoline, petroleum, nitro thinner), fats, oils, salt and waste
water of toilets and urinals must not be pumped.
The temperature of the liquids handled must not exceed 35ºC.
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PRE-OPERATING INSTRUCTIONS
3. Functional Parts (Illustrations B & C on page 4)
1. Power Cable
2. Carrying Handle
3. Float Switch Lock
4. Vent Valve
5. Float Switch
6. Suction Base
7. Universal Fitting
8. Phillips Recessed Head Screws
9. Turbine
4. Measures Before Operation
4.1 Hose Connection
Screw the supplied fittings onto the pump, as described in illustration B.
The universal fitting (7) allows connection of 1¼" (32mm), 1" (25mm),
3/4" (19mm) as well as of 1/3" (13mm) hoses, according to your indi-
vidual requirements, 5/4" (32mm) hoses are connected to the pump via
the step nipples of universal fitting, 3/4" (19mm ) and 1/2" (13mm) hoses
with Hose connection system parts (illustration D). It is recommended
to fix 1¼" (32mm) and 1" (25mm) hoses additional with a hose clamp.
Components of the universal fitting which you don't require (when
connecting 1¼" (32mm) hoses are detached with a knife from the
universal fitting, illustration E.)
Best results in delivery capacity are achieved when using 5/4" (32mm)
hoses.
4.2 Float Switch Adjustment
The float switch (5) automatically switches on the pump at a water height
of approx. 21" (53cm) and automatically switches off at a water height
of approx 2" (5cm) by fixing the float switch cable to the float switch lock
(3). The cut-in/cut-out height can be adjusted individually.
4.3 Location and Transport
• Please take care that the pump is located in a stable position
(especially for automatic operation).
• In addition, pay attention that in case of automatic operation, the float
switch can move free.
• Take care that the pump is located in a way ensuring that the inlet open-
ings at the suctions base are obstructed neither completely nor partly.
Therefore, it is advisable to place the pump for example on a brick.
• Don't use power cable or float switch for carrying or hanging up the
pump. When submerging the pump in wells or shafts, please use a rope
which is fastened to the pumps carrying handle (2).
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