Hitachi Zaxis 850LC-3 Operator's Manual page 276

WARNING: Use reduced compressed air pressure (less
than 0.2 MPa, 2 kgf/cm
the area of bystanders, guard against flying chips,
and wear personal protection equipment including
eye protection.
Cleaning
Clean both the external and internal filters by blowing com-
pressed air or washing with water.
When washing the filters with water, follow the procedures
below:
1. Wash with tap water.
2. Soak the filters in neutral detergent-mixed water for ap-
prox. 5 minutes.
3. Wash the filters with water again.
4. Dry the filters.
Installation
When installing the cleaned recirculation and/or ventilation
filter or new filters, follow the reverse order of the Removing
Filter procedures described on the front page.
• Ventilation Filter
Use attention when installing the filter so that the notch
faces the back of the cab and the stamped arrows face
the air conditioner unit. After installing the filter, install
the upper cover while aligning it with the duct.
• Recirculation Filter
While contacting the attached filter plate onto the duct,
install the filter so that the clips align with the duct
mounting holes.
MAINTENANCE
2
) for cleaning purposes. Clear
Rear Side of Cab
Support
7-64
Air Conditioner Side
M1U1-07-013
M1U1-07-012