Komatsu PW160-7K Series, Operation And Maintenance Manual

Page: 249 / 358

MAINTENANCE SERVICE PROCEDURE
249
WHEN REQUIRED
CHECK, CLEAN AND REPLACE AIR CLEANER
ELEMENT
WARNING
●
If inspection, cleaning, or maintenance is carried out with
the engine running, dirt will enter the engine and cause
damage to the engine. Stop the engine before carrying
out these operations.
●
When using compressed air, there is danger of dirt flying
and causing personal injury.
Wear protective glasses, dust mask, or other protective
equipment.
●
When removing the outer element from the air cleaner
body, it is dangerous to pull it out by force. When work-
ing at high places or where the foothold is poor, be care-
ful not to fall because of the reaction when pulling out
the outer element.
Checking
If air cleaner clogging monitor (H) on the monitor panel lights up,
clean the air cleaner element.
Replacing
●
Replacing element, O-ring
If one year has passed since installing the element or if air
cleaner clogging monitor (H) on the monitor panel flashes
immediately after the element is cleaned, replace the outer
element, inner element, and O-ring.
●
Replacing evacuator valve
Replace it if it is damaged or the rubber is markedly
deformed.
NOTICE
Do not clean the air cleaner element until the air cleaner
clogging symbol on the monitor panel flashes. If the element
is cleaned frequently before the clogging monitor flashes,
the air cleaner will not be able to display its performance
fully, and the cleaning efficiency will also go down.
In addition, during the cleaning operation, more dirt stuck to
the element will fall inside the inner element.
H