Karcher HD 7-250 De Tr1 - Manual (Page 77)

Wartung.pm6.5 - GB
Page 4.7
Maintenance
BOGE Operating instructions for CM 9 series screw compressor module
1
2
Check: – Prior to commissioning/start-up of the compressor.
– Then every 1000 operating hours,
however at least once a year.
Topping up: – When the oil level has dropped below the "min." mark
(see sketch).
ATTENTION!
Always use the same oil type when topping up.
Never mix different oil types and brands.
– Switch off the compressor using the OFF button.
CAUTION: Risk of injury!
Switch off the main switch and secure against unintentional switching-on.
– Close e.g. 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.
CAUTION: Risk of injury!
Danger of burning due to hot oil!
– Remove plug of oil filling socket .
– Check oil level.
The oil level must not drop below the "min." mark (see sketch).
– If necessary, top up with oil to the lower edge of the thread ("max." mark)
on the oil filling socket.
– Screw plug back in.
– Open ball valve at the compressed air outlet.
4.3 Regular maintenance work
Checking the oil level,
topping up oil
Fig. 4.3: Checking the oil level, topping up with oil