Komatsu PC210LCI-11 Shop Manual page 49

00 INDEX AND FOREWORD PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT
REMARK
The oil cleaning equipment can remove the ultra fine (approxi-
mately 3 μm) particles that the filter built in the hydraulic equip-
ment cannot remove. So, it is very effective device.
PC210LCI-11 00-47