Operating instructions for S 40-3...S 150-3 series screw compressors Page 73
Maintenance 6.5 Special maintenance work
6.5 Special maintenance work
Flush out oil circuit
Flushing the oil circuit with clean oil becomes necessary:
– When the oil is excessively soiled.
– Prior to changing the oil type.
Drive motors with per-
manent lubrication
The bearings of the drive motors are generally provided with a maintenance
free permanent lubrication.
Under normal operating conditions (refrigerant temperature max. 104°F, con-
tinuous operation) the bearings are maintenance free for the entire service life.
The service life decreases or increases as thermal stress increases or de-
creases (due to increased or reduced refrigerant temperature).
Drive motors with lubri-
cation device
Motors with lubricating devices are easily recognised by the two grease nip-
ples on the top of the cover. Additionally stickers on the compressor refer to
the lubricating device (see illustration below).
Fig. 6.12: Grease nipples of the lubricating device
WARNING!
Detailed information on flushing with BOGE oils can be obtained from the fol-
lowing service numbers:
Telephone: +1-770-874-1570
Telephone: +49 5206 601-140
WARNING!
Have BOGE service dismantle the bearings and install new bearings once
the specified service life has expired.
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