Komatsu PC45MR-30403, Operation And Maintenance Manual

Page: 388 / 475

METHOD FOR CLEANING AIR CONDITIONER FRESH AIR FILTER
(Machine with cab specification)
k k
WARNING
When using the compressed air, there is a danger that dirt may scatter and cause personal injury.
Wear the protective equipment such as the protective eyeglasses and dust mask.
NOTICE
• As a guideline, the filters should be cleaned every 500 hours, but on dusty jobsites, clean the filters
more frequently.
• Before cleaning the fresh air filter, stop the air conditioner.
1.
Loosen the knob (1) and remove the filter inspection cover
(2).
2.
Remove the fresh air filter (3).
3.
Clean the fresh air filter (3) with compressed air.
• If there is oil on the fresh air filter, or if the filter is ex-
tremely dirty, wash it in a neutral detergent.
After rinsing it in water, dry it thoroughly before using it
again.
• Replace the fresh air filter with a new one every year.
If the clogging of the fresh air filter (3) cannot be re-
moved by blowing with compressed air or washing in
water, replace the filter immediately.
4.
Restore the fresh air filter (3).
5.
Install the filter inspection cover (2) and tighten the knob (1).
MAINTENANCE MAINTENANCE PROCEDURE
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