23
ProMinent
®
Assembly and installation / Commissioning / Maintenance
• Use only original hoses with the specified diameter and wall
thickness! It is not otherwise possible to ensure the durability of
the connection to the pump valves!
• For tips on hydraulic installation, order the ”General Operating
Instructions Manual, ProMinent
®
Solenoid Metering Pumps”
(Order No. 987126).
• Check that the mains power supply and frequency match the
values specified on the rating plate!
• Note all national directives which apply to the installation!
Mount metering pump on a tank or bracket using screws and
washers (Ø 6 mm).
Keep suction height and length of suction hose as short as possible.
Install suction hose in an ascending position.
Cut the suction and pressure pipe to the required length.
Push union nut and clamping ring onto the hose.
Push the cut hose onto the grommet up to the stop.
Press on hose and tighten the union nut.
Mount the foot-actuated valve.
For this purpose, cut the free suction hose end such that the foot-
actuated valve is suspended close above the tank bottom.
In case of metering solutions with contaminations or residues, cut
the free suction hose end such that the foot-actuated valve is
suspended at least 50 mm above the tank bottom.
5 Commissioning
Precision metering is possible only within a stroke length range of
30-100 %.
6 Maintenance
Quarterly at normal load (approx. 30 % continuous operation)
Check the pump diaphragm for damage
Check that the discharge and suction valves and the discharge lines
are seated firmly
Check the overall tightness of the liquid end (in particular leakage
opening between suction value and drive housing)
Check liquid end screws are tight
Tightening torque for liquid end screws: 4.5 to 5 Nm
▲▲▲
(section)
Hose
Union nut
clamping
ring
grommet
O-Ring
intake
connector
▲▲▲
▲▲
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Service interval
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BA_CO_016_06_07_4spr.p65 21.06.2007, 12:48 Uhr23
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