PRONAR T314, Manual

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Pronar T314, Pronar T315, Pronar T316 SECTION 4
4.12
IMPORTANT!
Before starting the rotary vane vacuum pump, always check oil level and after
starting the system, check dose of oil lubricating the pump vanes. If necessary,
correct the setting.
TIP
If it is difficult to reach the required negative pressure, check tank tightness.
Similar symptoms may also occur if the vacuum pump's vanes are worn out.
Formation of foam on the liquid surface is normal and is more intensive if
negative pressure is lower.
Tank filling time depends on many factors (value of negative pressure, density of liquid, depth
of liquid suction). That is why the filling process must be constantly controlled. In case of tank
overflow, relief valve installed on the tank should automatically cut off the load space from the
suction side of the compressor. (small leaks of liquid to siphon valve are allowed). If tank
overflow occurs when the relief valve is out of order, there is a high risk of damage to the
compressor (hydraulic impact).
IMPORTANT!
Stop filling the tank when the liquid starts to reach the level of the upper sight-
glass.
Do NOT load and transport liquids that may overload the pump system and
react aggressively with the machine's structural elements.
Do NOT exceed the slurry tanker's maximum carrying capacity.
When filling the tank, check the manovacuometer's indications continuously.
4.4 UNLOADING
Description of actions
¨
Set lever (1) – figure (4.3), to pumping position (overpressure).
¨
Install liquid spreading spout on connector pipe or hose.
¨
Start PTO drive and create negative pressure in the tank.