Maintenance and service work 3.21 Air filter Checking air filter contamination
A B C
Maintenance display B on the filter housing monitors the filter cartridge. The dust is removed by squeezing discharge slot E of the dust valve. ☞ Check dirt as follows: • Stop the diesel engine and remove the ignition key • Apply the parking brake • Open the engine cover • Squeeze the discharge slot of dust valve E and remove hardened dust
Caution! Replace the filter cartridge if the red mark C in maintenance display B is visible! ☞ Replace the filter cartridge the first time at 500 service hours at the latest, then at least once a year or every 1500 service hours
Notice! E
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!
Caution! D F
Filter cartridges degrade prematurely when in service in acidic air for longer periods of time! ☞ Replace filter cartridge D and safety cartridge F at the latest after 500 service hours
Fig. 55 : Air filter – dust valve
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Serv-HB 40702 – Edition 2.0 * 407-02s0322_Wartung.fm
