2.5.2.1 Remove main cartridge
Procedure
1.
Unlock snap-on hooks (arrow) and remove
the cover.
Fig. 24
2.
Pull out main cartridge (A).
3.
Clean the filter housing; ensure sealing faces
are free from defects.
Fig. 25
2.5.2.2 Install the main cartridge
NOTE:
Before fitting the main filter or safety filter, check the surface of the seal rings for contamination, splits, the
formation of cracks or other damage. Do not fit the filter if any damage is visible.
Procedure
1.
Insert main cartridge and refit the cover.
2.
Ensure that the snap-on hooks are correctly positioned.
2.5.3 Change the safety cartridge
Replacement interval
Only replace when the main cartridge has been changed three times or if the main cartridge has been
damaged.
Change the safety cartridge
2. Service and maintenance
34 Maintenance
530.020.020.011 Rev.A