Reference Name
Ci1 Pre-intercooler
Ci Intercooler
Co Oil cooler
CV Check valve
Eh High-pressure compressor element
El Low-pressure compressor element
FN Fan
MTa Moisture trap, aftercooler
MTi Moisture trap, intercooler
OF Oil filter
OP Oil pump
Description
Oil is circulated by pump (OP) from the sump of the gear casing through cooler (Co).
On ZT compressors, the oil flows through the cooling jackets of the compressor elements (El and Eh).
The oil passes through oil filters (OF) towards the bearings and timing gears.
Valve (BV) opens if the oil pressure should rise above a given value.
2.6 Regulating system
General
The regulator keeps the net pressure within programmable pressure limits by automatically loading and
unloading the compressor depending on the air consumption.
Instruction book
2920 1815 04 33
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