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Example:
•
Use a 1725 RPM electric motor to drive a pump at 950 RPM.
•
Typically, a pulley diameter on the motor is 3.4 inches. The pump pulley diameter can be determined from the formula
above:
•
Solving this equation for the Pump Pulley diameter yields:
•
Refer to pump performance charts to determine desired speed and to obtain desired maximum flow.
ATTENTION: Note that shaft rotation is clockwise as viewed from the front of the pump. Be sure to drive pump in
proper direction.
•
Flexible Coupling - To install couplings, slide coupling ends onto motor or engine and pump shafts as far as possi-
ble. Mount engine/motor and pump on base. Shim up pump or power to align shafts. Leave enough room between
shaft ends to install center disc. When aligned, slide ends over disc. Select couplings rated twice required horsepower
when using electric motor; three times when using gas engine.
•
All pump systems with electric or hydraulic power sources are required to have a control system which meets all local
and national standards.
•
For more detail on a typical system installation, see preceding subsections of the "Assembly and Installation" section
of this manual.
Commissioning, Start-Up, Operation, Shutdown
Before attempting to start your pump, the following must be understood and followed to ensure safe operation.
•
When running Hypro centrifugal pumps, it is essential that operators use hearing protection as the sound levels
can reach levels of 80 decibels.
•
When handling Hypro pumps, one should wear steel-toed shoes and protective gloves in order to protect the feet
in the event the pump is dropped and protect the hands from any sharp surfaces on the pump or chemicals.
•
Only authorized operators having the knowledge and skill necessary to safely use a Hypro pump, or any
equipment the pump is connected to, may run the pump.
•
When spraying manually, it is recommended that chemical-resistant face masks and clothing be worn to prevent
any chemicals from coming into contact with the skin or being inhaled.
•
When spraying manually, always spray upwind of yourself as long as the sprayed chemical will not drift into the
vicinity of other people.
•
When installing, adjusting or removing a Hypro centrifugal pump, ensure that there are no objects which can fall
on the installer and make certain that all machinery to which the pump is to be attached is turned off.
•
Hypro centrifugal pumps should only be used on tractors or tow-behind spray platforms which have electrically
conductive tires in order to reduce the risk of electrocution.
•
Never operate a Hypro centrifugal pump outside while there is a chance of getting struck by lightning.
•
Never leave electrical wires or plumbing components where they can be a tripping hazard or become entangled
in a moving component. Ideally, electrical cables, hoses, pipes and fittings should be routed overhead. In the event
electrical wiring must be routed over the ground, operators are required to use rubber ramps if they cross a gangway.
•
If users of a Hypro centrifugal pump are using a PTO shaft, flexible coupling or belt drive they are required to use
CE approved PTO shafts and guards
•
Hypro centrifugal pumps should not be used if the ambient light is below 200lux.
•
For centrifugal pumps which use gas engines the user should always ensure the exhaust is properly attached to
the engine and is not leaking.
Only use approved chemicals in your pump. For a complete list of approved chemicals, see the "Fluid
Pumping Applications" section. Failure to follow this warning will void your warranty and could lead to property
damage, serious injury or death.
1725 RPM
Pump Pulley Dia.
=
950 RPM
1725 RPM
= 3.4" = 6.2"
950 RPM
Control Systems
Information
- 10 -
3.4"
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