5-10 BA 348-01 * 2.0 * 34801b510.fm
5 Maintenance
5.5 Air filter
The filter cartridge will be damaged if it is washed or brushed out!
Bear in mind the following to avoid premature engine wear!
☞Replace dirty filter cartridges
☞Never reuse a damaged filter cartridge
☞Ensure cleanliness when replacing the filter cartridge!
Checking the air filter for dirt
Maintenance display B on the filter housing monitors the filter cartridge.
The dust is removed by squeezing discharge slot E of the dust valve.
☞Proceed as follows:
• Stop the engine and remove the ignition key
• Apply the parking brake with the switch on the instrument panel
• Squeeze the discharge slot of dust valve E
• Remove hardened dust by compressing the upper area of the valve
• Clean the discharge slot if necessary
• The filter cartridge D must be replaced if the red mark C in maintenance display B is
visible
• At the latest after 1500 operating hours (however once every year)
• –seeReplacing the air filter cartridge on page 5-11
Filter cartridges degrade prematurely when in service in acidic air for longer
periods of time. This risk is present for example in acid production facilities,
steel and aluminium mills, chemical plants and other nonferrous-metal plants
☞Replace filter cartridge D and safety cartridge F at the latest after 500 operating
hours!
☞–seeReplacing the air filter cartridge on page 5-11
For applications in dusty environment, the air filter is fitted with an extra
safety cartridge F. Do not clean the safety cartridge – replace it every third time
maintenance is performed on the filter!
Fig. 169 : Air filter with safety cartridge
B
A
C
B
E
D
F
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