Technical Information
Safety Rules
5
HS452, HS652 Rotary Vane Pumps User Manual / 87-900-978-01 (H) 71/102
d Failure to provide the pump with a ground connection may cause serious damage
to operators. Always ensure that there is a ground connection and that it complies
with the standards.
e When cleaning the pump and its component parts, avoid the use of flammable or
toxic solvents, such as benzin, benzol, ether or alcohol. The recommendation is to
use a soap and water solution, preferably in ultrasound washing machines, taking
care to dry all the cleaned parts at temperatures under 100 °C in order to
eliminate residual moisture.
f Prolonged overloads or breakdowns may cause the electric motor to overheat, and
to release noxious smoke; remove the power immediately as a precaution and do
not approach the pump at least until you have provided ventilation to drive out the
smoke. Take care not to breathe in the fumes remaining inside the pump in the
course of repair work.
g In case of fire, do not throw water on the pump. Switch the power off and use CO
2
extinguishers.
h Carefully inspect the flanges to ensure that there are no dust, oil, dirt or defects of
the mating surfaces, before making the required connections.
i Ensure that all joints and couplings are locked correctly before starting the pump
again after repair work.
j Do not wear any objects that may become entangled in the mechanisms and/or
act as conductors (chains, bracelets, etc.).
k Ensure that the tools to be used are in perfect working condition and have
insulating grips, where necessary. Check that the insulating material of the cables
and that the conductors of the test equipment do not show any signs of damage.
l Do not replace the oil immediately after stopping the machine as the oil may still
be at high temperature.
m Perform repairs in clean and, where possible, dust-free areas. Protect all the
clearances of connection points with suitable plastic caps and cover the
machined surface areas of all parts stripped down until they are put back on the
pump again.
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