8 Maintenance
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ID: 1138310 Issue date January 01, 2010
115
Checks – air filter cartridges
Dirt outlet
Press the dirt outlet (1) of the air filter
at least once a week to clean it of dirt.
Soiling indicator
If a red ring appears on the soiling
display (1) during operation of the
roller, you must clean or replace the
air filter cartridge.
Air filter cartridge
Check the air filter cartridge (1) for
damage or soiling.
Clean the cartridge if necessary.
1
1
1
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