9.7 Maintenance activities - Filter system
9.7.1 Determine the service life of the cartridge
New filter cartridge is available.
The service life card is available; it is included with the filter cartridge.
Scales are available.
1.
Unpack the new filter cartridge.
2.
Weigh the new weight of the unpacked filter cartridge and enter on the service
life card.
3.
Check the weight of the filter cartridge in use again at regular intervals. Use
the same scales as used for the determination of the new weight.
4.
Replace the filter cartridge when the permissible weight gain from the service
life card has been reached.
9 | Maintenance
OPERATING MANUAL
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