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Leading particulars
DESCRIPTION OF SAFETY
PICTOGRAMS USED IN THIS
MANUAL
GENERAL DESCRIPTION
The compressor XAHS 186 Cud is
silenced, single-stage, oil-injected screw
compressor, built for a nominal effective
working pressure of 12 bar (175 psi).
Engine
The compressor is driven by a liquid-
cooled diesel engine.
The engine’s power is transmitted to the
compressor element through a heavy-duty
coupling.
Compressor
The compressor casing houses two screw-
type rotors, mounted on ball and roller
bearings. The male rotor, driven by the
engine, drives the female rotor. The
element delivers pulsation-free air.
Injected oil is used for sealing, cooling and
lubricating purposes.
Compressor oil system
The oil is boosted by air pressure. The
system has no oil pump.
The oil is removed from the air, in the air/
oil vessel at first by centrifugal force,
secondly through the oil separator element.
The vessel is provided with an oil level
indicator.
Regulation
The compressor is provided with a single
or dual pressure continuous regulating
system and a blow-off valve which is
integrated in the unloader assembly. The
valve is closed during operation by air
receiver pressure and opens by air receiver
pressure via the compressor element when
the compressor is stopped.
When the air consumption increases, the
air receiver pressure will decrease and vice
versa.
This symbol draws your
attention to dangerous
situations. The operation
concerned may endanger
persons and cause injuries.
This symbol is followed by
supplementary information.
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