Engine, air cleaner
111
Engine, air cleaner Air cleaner, cleaning and replacing Air filter change interval every 1000 operating hours, but at least once every year. The filter must be cleaned or even replaced only if the control light in the dash board lights up. – The air filter service intervals depend on the amount of dust in the air and can therefore not be determined precisely.
A
– Under extremely dusty conditions daily clean may be required. Check the air lines (filter-engine) for leaks during every maintenance. Replace defective parts, tighten loose hose clamps. Dust discharge valve M300058A
– Empty the dust discharge valve (A) by squeezing the discharge slot together. – Remove possible dust deposits by squeezing the upper part of the valve.
C
Dry cleaning: Main cartridge (B)
B
– Bang the filter cartridge several times with the front face vertically against the palm of your hand or against a flat and soft surface. Avoid damaging or denting of the front face of the cartridge. Intensive cleaning: – Blow the cartridge out with dry compressed air (pressure not higher than 5 bar (203 psi) from inside under an oblique angle until no dust can be seen anymore. – Then inspect the filter with a lamp from inside to outside for possible cracks.
A M300059A
Use only genuine filter cartridges. Non-genuine filters do not fit and cause danger to the engine! Safety cartridge (C) While servicing the main cartridge (paper cartridge) the safety cartridge remains inside the air filter. Safety cartridges must be renewed: – After three times servicing of the main cartridge. – The number of services (exchange or cleaning of the main cartridge) must be marked in the respective fields on the safety cartridge. – At the latest after two years of use. – If the service indicator comes on again immediately after the service. – After using a damaged main cartridge by mistake. NOTE! Safety cartridges must not be cleaned. The engine must not be operated with just the safety cartridge on its own (without main cartridge). Take care of filters/oils/liquids in an environmentally safe way, see page 97.
