Maintenance and care
38
Checking the cartridge
When a cartridge has been cleaned it
must be examined for damage before it is
refitted, e.g. damage to the paper bag and
rubber seals. Check also for compression
of or dents in the metal jacket.
Tears and holes in the paper bag can be
found by shining a torch into the bag.
2216
On no account re-use damaged car-
tridges. If in doubt fit a new cartridge.
Safety cartridge
When the main cartridge is being serviced
the safety cartridge remains in the filter
housing. The engine must not be run with-
out the main cartridge.
Safety cartridges must be neither cleaned
nor re-used.
Safety cartridges must be changed:
D at the latest after being in use for two
years
D if, after the main cartridge has been
serviced (changed), the contamination
gauge responds again immediately
D if the main cartridge is defective
When the main cartridge has been re-
moved the safety cartridge is accessible
and can be removed also.
Remove the hex nut.
Pull out the safety cartridge.
Insert a new safety cartridge. Refit and
tighten the hex nut.
To Next Page
