MAINTENANCE EVERY 250 OPERATING HOURS
7-49
AIR FILTER, REMOVING/RE-INSTALLING AND CHECKING/CLEANING THE
FILTER INSERT
STRUCTURE OF THE AIR FILTER
The air filter consists of the air filter housing, the dust exhaust
valve, the filter cartridge and the safety filter.
MAINTENANCE DEMAND
If the air filter warning indicator (1) lights up, the air filter car-
tridge is dirty. You must clean or exchange it immediately.
The filter insert has to be checked for perfect condition and be
cleaned every 250 operating hours, no matter whether the con-
trol light is lit or not. If the filter insert is damaged or deformed, it
must be exchanged.
A dirty safety filter indicates that the filter cartridge is damaged.
In this case, both - filter cartridge and safety filter - must be ex-
changed.
REMOVING THE FILTER CARTRIDGE
• Danger of injury! When the engine is running, you may
hurt yourself on the movable components inside the en-
gine room!
Do not perform any operation in the engine room with the
engine running!
1. For maintenance operations, park and secure machine as
described in chapter "Preparing the Machine for Mainte-
nance".
2. Open the twistlocks on the cover of the air filter housing (2).
3. Remove the cover of air filter housing.
4. Pull out the filter cartridge (3).
Clean thoroughly the interior of the filter housing with a cloth.
1
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2
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3
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