Komatsu GD555-5 Operation & Maintenance Manual page 270

MAINTENANCE
CLEANING OR REPLACING OUTER ELEMENT
1. Open the engine side cover on the right side of the machine.
2. Remove clips (3), then remove dust cup (4).
NOTICE
Never remove inner element (6). If it is removed, dust will enter and cause
engine trouble.
3. Remove outer element (5).
NOTICE
When cleaning the dust cup, do not remove evacuator valve (7).
4. Clean the inside of the air cleaner body and dust cup.
SERVICE PROCEDURE
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