Maintenance 5.3 Regular maintenance work
Page 40 BOGE Operating instructions for C 10 L...C 20 L series screw compressors
– Close ball valve at the compressed air outlet.
– Vent the compressor (procedure as described above).
– Wait approx. 3 minutes to permit the oil to settle.
– Losen screws at service cover (3) and pull out cover with oil filter cartridge.
– Unscrew oil filter cartridge (4) from cover (3), place new oil filter cartridge
into the maintenace cover and reattach both. Make sure that the bore hole
(5) and the bore hole in the cover fit on top of each other.
– Check o-rings on service cover for damage and replace if necessary.
– Screw on service cover (3) and tighten screws.
– Open ball valve at the compressed air outlet.
– Switch on compressor and run till it reaches operating temperature.
– Check tightness of service cover and re-tighten screws.
Fig. 5.4: Changing the oil filter / Changing the oil separators
Changing the oil
separator
Change:
– When warning message "8" appears on the control system display
(FOCUS only).
– After 3,000 operating hours, however, no later than after one year.
– Switch off the compressor using the OFF button.
Caution: Risk of injury!
Do not touch hot surfaces!
Caution: Risk of injury!
If the prescribed maintenance intervals are not observed, the oil separators
might become blocked. In this case, the differential pressure will increase
until the safety valve blows.
Caution: Risk of injury!
Press Emergency Stop button, open mains disconnection device and secure
against unintentional switch on by means of a padlock.
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