d
CAUTION: Wear goggles or safety glasses when using
compressed air [less than 0.2 MPa (2 kgf/cm
6. Remove adapter (8) from adapter (9) and clean filter (11)
by blowing compressed air or cleaning solution from the
oil flow outlet side.
7. Install the cleaned filter with washer (10) and adapters (7,
8, 9).
f
NOTE: If washer (10) and filter (11) are removed, carefully
install the washer evenly in adapter (9), otherwise, adapter (8)
cannot be fully tightened, causing leakage.
8. After cleaning the filter, bleed air from the hydraulic
pump and check the oil level in the hydraulic oil tank.
(Refer to the descriptions for "Bleed air from the
hydraulic system" in item
If the machine is operated without bleeding the air
mixed in the hydraulic circuit, damage to the hydraulic
pump may result.
f
NOTE: Clean the element at the regular intervals to maintain
clean hydraulic oil and extend the service life of the hydraulic
components.
MAINTENANCE
)].
2
.)
7-55
7
8
9
7
8
9
Oil Flow
90Z7B-7-50-3
10
11
Air Flow
90Z7B-7-51-1