Installation Manual Series CF (without incapsulated screw compressors) 23042013 Rev. A / May 2007 8 of 60
3.2 Direct drive
The compressor can be directly driven by a mo-
tor, at the motors operating speed, via a coupling
which is directly mounted on the male motor
shaft.
Installing and fastening with threaded bores on
the underside of the compressor.
A correct alignment of motor/coupling/compres-
sor is absolutely necessary.
3.3 Belt drive
Adapting the motor speed to the required operat-
ing speed of the compressor is possible means
on an intermediate belt drive.
Application of reference as per Annex, section 8
„Technical data“.
Installing and fastening with threaded bores on
the underside of the compressor.
A correct alignment of motor/belt pulleys/com-
pressor is absolutely necessary.
3.4 Gear drive
Driving takes place by means of an integrated
gear that increase or decreases the motor speed
to the required operating speed of the compres-
sor.
The compressor can either be directly flanged by
flange connection to the driving motor using a
coupling casing, or be installed or fastened using
threaded bores on the underside of the compres-
sor.
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