Maintenance
6.3
Maintenance work compressor
Page 56
BOGE Operating instructions for C 16 N...C 30 N, C 16 F N...C 30 F N series screw compressors
Changing oil separators
Change:
–
When warning message "8" appears on the control system display.
–
After 3000 operating hours, but no less than once a year.
–
Switch off the compressor using the OFF button.
–
Close ball valve at the compressed air outlet.
–
Open safety sound insulation hood.
–
Vent the compressor (as described in the beginning of the chapter).
–
Wait approx. 3 minutes to permit the oil to settle.
Fig. 6.7: Changing the oil separator
WARNING: 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.
WARNING: Risk of injury!
Actuate emergency-stop switch/button, open mains disconnecting device
and secure by means of lock out tag out.
WARNING: Risk of injury!
Danger of burning due to hot oil!
Always wear safety gloves!
–
Remove cladding from
the service side.
–
Unscrew soiled oil sepa-
rators (4) by hand or use
a strap wrench, turning
counterclockwise.
–
Catch the draining oil and
dispose of properly ac-
cording to environmental
regulations.
–
Lightly oil the sealing
rings of the new oil sepa-
rator.
–
Screw in new oil separa-
tors (4) by hand, turning
clockwise.
