Maintenance 6.3 Maintenance work compressor
Page 54 BOGE Operating instructions for C 16 N...C 30 N, C 16 F N...C 30 F N series screw compressors
Checking the oil level,
topping up oil
Check:
– Prior to commissioning/start-up of the compressor.
– Then every month.
Topping up:
– If the oil level has dropped to a level 0.39 – 0.79 inch below the bottom
edge of the thread.
– Switch off the compressor using the OFF button.
– Close ball valve at the compressed air outlet.
– Vent the compressor (as described in the beginning of the chapter).
– Wait approx. 3 minutes to permit the oil to settle.
Fig. 6.5: Checking the oil level, topping up with oil
WARNING!
Always use the same oil type when topping up. Never mix different oil types
and brands.
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 plug (2) from
oil filling socket (1) (see
figure below).
– Check oil level.
The oil level must not
drop to a level more than
0.79 inch below the bot-
tom edge of the thread.
– If necessary, top up with
oil to the lower edge of
the thread ("max." mark)
on the oil filling socket.
– Screw plug (2) back in.
– Open the ball valve at the
compressed air outlet.