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4.1. Checking upon receipt
• When the goods are delivered, make sure that all parts listed on
the delivery note are in perfect condition and have suffered no damage
during shipping.
• Make sure the vacuum pump has its identification plate affixed on
the front cover. Pumps without such identification are to be considered
anonymous and potentially dangerous: in such an event, they must not
be used, otherwise the manufacturer will be deemed free from any
liability whatsoever.
4.2. Checking upon receipt
• When the goods are delivered, make sure that all parts listed on
the delivery note are in perfect condition and have suffered no damage
during shipping.
• Remove the parts of the packaging that can be dangerous if
sucked by the compressor.
• Make sure the compressor has its identification plate affixed on
the front gearbox. Pumps without such identification are to be
considered anonymous and potentially dangerous: in such an event,
they must not be used, otherwise the manufacturer will be deemed free
from any liability whatsoever.
4.3. Mounting
• The mounted aspirator must be accessible for maintenance and
firmly fixed on a frame or angled base with a 3° max inclination on x
and y axes (see Fig. 4.1). The structure must be fit to avoid flexions or
vibrations.
• Make sure that there is enough free room around the pump for a
correct air cooling circulation and protect the pump from the exposure
to dirt and debris.
• Prepare the necessary space for an easy access to the lubrication
check-points (tank level and gear box, oilers) and to the oil tank filling
port, the four-way manifold handle, and the vane wear inspection ports.
4.4. Vacuum - pressure line
• To avoid accidental suction of liquids inside the pump, install a
primary (pos. 1) and a secondary flow shutoffs (pos. 2). If necessary,
install also a suction filter (pos. 4) to protect from solids infiltration.
• The exhaust silencer (pos. 6) is designed to reduce the noise level
and to separate the oil mist coming out from the pump outlet port. The
separator must be periodically drained from oil and condensate
accumulated in the separator during the normal pump functioning.
• The diameter of the vacuum/pressure line pipes must be properly
dimensioned to the pump flow and, in any case, larger than the
diameter of the ports.
• The pipes weight must not solicit the body of the pump. Use high
temperature resistant rubber connections.
• Before mounting the vacuum line to the pump, remove the port
protections. Pipes and all line components must be clean.
• Avoid restrictions and tight curves as much as possible if not
strictly necessary.
• Exhaust pipes can reach high temperatures. Hence, they must be
properly isolated.
Pic. 4.2
Vacuum line components
1 Primary shutoff 6 Silencer – oil separator
2 Secondary shutoff 7 Circulating pump
3 Vacuum relief valve 8 Air-water heat exchanger
4 Suction filter 9 Expansion tank
5 Overpressure safety valve 10 Exchanger inlet port
CIRCULATING PUMP
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