Wartung.pm6.5 - USA
Page 5.7
Maintenance
BOGE Operating instructions for S 40-2...S 341 / SF 40-2...SF 220 series screw compressors
Lubricating the drive
motor bearings
Drive motors with
permanent lubrication
Changing the supply
air filter mats (option)
Check: – 1x weekly,
however, at least every 500 operating hours.
– Correspondingly earlier if the air taken in is heavily soiled.
Change: – When a crust of dirt has accumulated on the filter mat.
– When the final compression temperature has exceeded
its set point value by 7 to 9°F. The crust of dirt on the filter
mat prevents an adequate cooling air supply.
– Switch off the compressor using the OFF button.
DANGER: Risk of injury!
Switch off the main switch and secure it against unintentional switch-on.
CAUTION!
– Pull filter mat out of its holder from above.
– Insert new filter mat into the holder.
Fig. 5.3: Changing the supply
air filter Note:
5.3 Regular maintenance work
Note: Demonstration example. Compressor may only be operated with the switch cabinet
closed and all panels fitted.
As a rule, the bearings of the drive motors are provided with a maintenance
free permanent lubrication. The drive motor of some series are equipped
with a post-lubricating unit. These motors can be easily recognised by the
two grease nipples on the upper side of the housing. In addition, plates
on the compressor indicate the type of motor lubrication.
Under normal operating conditions (coolant temperature max. 105°F,
continous operation) the bearings are maintenance free for the service life.
Bearing service life: Mains frequency Operating hours
60 8,000
The service life decreases or increases as thermal stress increases or
decreases (due to increased or reduced coolant temperature).
NOTICE: ATTENTION!
Have BOGE service dismantle the bearings and install new bearings once the
specified service life has expired!
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