Samoa DF250 Manual página 5

The pump exhaust should be directed to a sa e place, away rom people,
animals and ood.
• Optional kit is required or remote exhaust.
• Remove the mu ler.
• Connect a hose to the exhaust port o the pump and install the mu ler
at the end o the hose. Use a hose with the same diameter as the
exhaust port. (I the hose is more than 5 eet (1.5 m), consult your
dealer or Samoa Industrial, S.A.).
• Have a moat, a protective housing, etc. at the end o the hose.
To ensure that the air supply is su icient to meet the demand o the
pump, the diameter o the pipe must be equal to the diameter o the
supply port o the pump. Choose auxiliary air treatment equipment and
ittings with su icient air low to exceed the air consumption o the pump.
This pump is sel -priming.
To prime it the irst time, you must connect the air pump supply to a low
pressure using the pressure regulators while keeping the outlet valve open.
When luid begins to low rom the pump outlet, the pump is primed. For
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
Warning
Operating instructions
Installation
Air exhaust disposal
Warning
Air connection
In addition, peripheral air treatment equipment must be installed as close
as possible to the pump unit.
The use o a coupler to connect the hoses aids uture operation and
maintenance tasks.
regulation o luid pressure, the unit must be supplied with an air
pressure between 43.5 and 115 psi (3 and 8 bar). Adjust the discharge
valve on the discharge side to control low. For the per ormance
characteristics o the pump see the capacity curve shown on page 3.
Stopping the pump
• Close the inlet valve o the pump and stop the air supply.
• Make sure or your sa ety that the air valve is closed.
• Turn o the air compressor, or close the valve on the air supply side o
the auxiliary equipment.
• Close the discharge valve on the discharge side, then begin to slowly
open the drain valve and discharge pressure luid.
• Open the air valve o the pump, turn on the pump and lush the
remaining luid.
• A ter ensuring that the pump was turned o and the pressure was
released, ully open and close the regulator valve and drain valve o the
pump.
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