BA 35203_04 * 3.0 * 35203_04_07_Wartung.fm 7-41
Maintenance 7
Replacing the air-filter cartridge
The control lamp 69 on the indicating instrument monitors the air-filter
cartridge. Replace filter cartridge C if this indicator light illuminates at the
latest.
Safety cartridge D must be replaced in addition every third air-filter
replacement.
In order to avoid damage to the engine due to dirty intake air, bear in mind
the following:
► Do not clean the filter cartridges with compressed air or a brush.
► Replace the filter cartridges when the indicator light illuminates.
► Never reuse a damaged filter cartridge.
► Ensure cleanliness inside the air-filter housing during filter cartridge
replacement!
► Do not operate the engine without the filter cartridges.
Observe the maintenance intervals – see “Maintenance plan” on page 7-3.
Replacing the filter element and safety cartridge
1. Apply the parking brake.
2. Stop the engine and remove the starting key.
3. Open the engine cover.
4. Fold the bow hooks to the outside, off the seam of the filter housing.
5. Remove housing cover B.
6. Carefully remove filter cartridge C with slightly turning movements.
7. In addition, every 3rd time the filter is replaced, carefully remove the
safety cartridge D with slight turning movements.
8. Remove all dirt (dust) inside the filter housing and the cover before
installing the new filter.
9. Insert a new safety cartridge D into the filter housing.
10.Insert a new filter cartridge C into the filter housing.
11.Safely hitch and close the bow hooks into the notch of the filter
housing.
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