Karcher HD 7-250 De Tr1 - Manual (Page 76)

Wartung.pm6.5 - GB
Page 4.6
Maintenance
BOGE Operating instructions for CM 9 series screw compressor module
Clean or change
suction filter Cleaning: – 1x monthly,
however, at least every 500 operating hours.
– Correspondingly earlier if the air taken in is heavily soiled.
Change: – In the event of damage.
– After the second cleaning.
– Switch off the compressor using the OFF button.
CAUTION: Risk of injury!
Switch off the main switch and secure against unintentional switching-on.
Removing the filter cartridge
– Remove lid of the filter housing (see fig. 4.2).
– Remove filter cartridge (see fig. 4.2).
ATTENTION! Do not clean filter cartridges in liquids.
Do not use any hard objects when cleaning to avoid damaging the filter paper.
Refit a new filter cartridge in the event of damage or once it has been
cleaned twice.
– Hit on the filter cartridge using the palm of your hand to knock out coarse
dust.
– Blow out fine dust from the inside to the outside using dry compressed
air (maximum pressure 5 bar).
– Clean the sealing surface of the filter cartridge.
Fitting a filter cartridge
– Insert filter cartridge into the filter housing.
– Attach lid of the filter housing.
4.3 Regular maintenance work
Cleaning the filter
cartridge
Fig. 4.2: Changing the suction filter
1
2