Operating instructions for S 40-3...S 150-3 series screw compressors
Page 61
Maintenance
6.3
Maintenance work between scheduled services
Monthly: Check oil
level / top up with oil
if necessary
Check
the oil level:
– Before using the compressor for the first time:
– After this, once a month.
Top up
with oil:
– If the oil level has sunk below the "min" mark (see diagram in figure below).
Check oil level / top up with oil if necessary
1. Switch off the compressor with the OFF button.
2. Closing the ball valve at the compressed air outlet.
3. Remove the cover on the maintenance side.
4. Vent compressor fully (as described at the start of this section).
5. Wait approx. 3 minutes to permit the oil to settle.
6. Remove plug (2) of oil filling socket (1) (see figure below).
7. Check oil level.
Æ
The oil level must not drop below the "min." mark (see figure below).
8. If necessary, top up with oil to the lower edge of the thread ("max." mark)
on the oil filling socket (see figure below).
9. Screw plug (2) back in (see figure below).
10.Put the cover back on on the maintenance side
11.Open ball valve at the compressed air outlet.
WARNING!
Always use the same oil type when topping up. Never mix different oil types
and brands.
WARNING: Risk of injury!
Press the emergency stop button, use the mains disconnection device to iso-
late the compressor from the power supply and fix a padlock to prevent the
power from being switched on again unintentionally.
WARNING: Risk of injury!
Danger of burning due to hot oil!
Always wear your compulsory personal protective equipment when working
on the compressor!