Hitachi ZAXIS 135US-5B Operator's Manual page 377

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WARNING: When using compressed air pressure, wear
safety glasses or goggles.
Cleaning
Clean the circulating and fresh air filters.
Clean both the external and internal filters by blowing
compressed air or washing with water.
Washing procedure with water is as follows:
1. Use tap water.
2. Submerge the filter in water containing a neutral
detergent for about 5 minutes.
3. Clean the filter with water again.
4. Dry the filters.
Installation
 Fresh air filter (2) ZX135US-5B
Install fresh air filter (2) so that the direction of the arrow
points inside the cab.
After installing fresh air filter (2), install the filter cover by
fitting it with the duct. Install the inner element of the air
cleaner. Secure it with three stoppers.
 Fresh air filter (2) ZX225US-5B, 225USLC-5B
Install fresh air filter (2) so that the direction of the arrow
points inside the cab.
After installing fresh air filter (2), install the filter cover by
fitting it with the duct.
 Circulating Air Filter (Inside) (7)
Install filter (rear section in two pieces) (7) into the groove
and slide it toward the cab rear side. Then, install filter
(front section in two pieces) (7) into the groove.
 Latch circulating air filter (outside) (5) into the seat stand.
Slide it toward the cab rear side and secure it with screw
(6).
MAINTENANCE
7-103
ZX135US-5B
ZX225US-5B, 225USLC-5B
6
Arrow-mark
2
MDCN-07-057
Arrow-mark
2
MDCN-07-059
7
MDCN-07-062
MDCN-07-060
5