Method For Replacing Air Conditioner Fresh/Recirc Filters - Komatsu D85EX-18 Operation & Maintenance Manual

MAINTENANCE
2.
Remove mounting bolts (3) (6 pieces) of the filter case,
and remove cover (4).
3.
Remove element (5).
4.
Clean the inside of the case and the removed parts, then
install the new element.
Replace the O-ring at the same time.
5.
Install cover (2).
6.
Tighten bolts (1).

METHOD FOR REPLACING AIR CONDITIONER FRESH/RECIRC FILTERS

REMARK
Since the filtering ability of the filters decreases as they are aged, replace them every 500 operating hours or
every year.
METHOD FOR REPLACING RECIRCULATION AIR FILTER
1.
Remove knob (1) at the rear left in the cab, and remove
bracket (2).
2.
Remove the recirculation air filter from bracket (2).
3.
Replace the recirculation air filter with new one.
4.
Install bracket (2) and install knob (1).
METHOD FOR REPLACING FRESH AIR FILTER
1.
Open battery inspection cover (1) at the rear left of the ma-
chine, and lock it open.
MAINTENANCE PROCEDURE
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