Operation; Pump Placement; Suction Head - Pulsar PWP20 Mode D'emploi

Operating Instructions & Parts Manual
2 Inch & 3 Inch Water Pump

Operation

Before operating the engine for the first time, please review the Important Safety Information and Before
Operation.
Pump only water that is not intended for human consumption. Pumping flammable liquids, such as gasoline or
fuel oils, can result in fire or explosion, causing serious injury. Pumping seawater, beverages, acids, chemical
solutions, or any other liquid that promotes corrosion can damage the pump.

Pump Placement

For best pump performance, place the pump near the water level, and use hoses that are no longer than
necessary. That will enable the pump to produce the greatest output.
As head (pumping height) increases, pump output decreases. Maximum head specifications and pump
performance curves are shown in the table on page 2-4. The length, type, and size of the suction and discharge
hoses can also significantly affect pump output.
Discharge head capability is always greater than suction head capability, so it is important for suction head to be
the shorter part of total head.
Minimizing suction head (placing the pump near the water level) is also very important for reducing self-priming
time. Self-priming time is the time it takes the pump to bring water the distance of the suction head during initial
operation.
Discharge Head

Suction Head

7
Total Total
Head Head