Air Cleaner; Clean Air Cleaner Outer Element; Replace Air Cleaner Outer And Inner Elements; Replace Air Cleaner Inner Element (Optional) - Hitachi Zaxis 33U-5A Operator's Manual

F. Air Cleaner

Clean Air Cleaner Outer Element

--- every 250 hours or when the air filter restriction
alarm (5) comes ON

Replace Air Cleaner Outer and Inner Elements

--- after cleaning six times or after one year

Replace Air Cleaner Inner Element (Optional)

--- when outer element is replaced
1. Park the machine following the same procedures as
described on page 7-7 for preparation for inspection and
maintenance.
2. Loosen clamps (2) (2 used) (ZX65USB-5A : 3 used) to
remove the cover (3).
3. Remove outer element (1).
4. Tap outer element (1) with the palm of your hand, NOT
ON A HARD SURFACE.
d
CAUTION: Use reduced compressed air pressure.
(Less than 0.2 MPa, 2 kgf/cm
bystanders, guard against flying chips, and wear
personal protection equipment including goggles or
safety glasses.
IMPORTANT: To clean element (1), avoid giving shocks or
striking element (1) with other objects.
5. Clean outer element (1) by blowing compressed air [less
than 0.2 MPa (2 kgf/cm
filter element. After cleaning, be sure to check element
(1) for any damage. If any damage is found, replace the
element with a new one.
6. In case the air filter restriction alarm (5) lights soon after
cleaning outer element (1) even if the cleaning times are
less than 6 times, replace both outer and inner elements
with new ones.
MAINTENANCE
). Clear area of
2
)] outward from the inside of the
2
4
2
ZX48U-5A, 55U-5A, 65USB-5A
7-60
1
2
ZX33U-5A, 38U-5A
M555-07-023
3
4
MADB-07-003
2
3
4
MADB-07-026
5
MADB-07-027