MAINTENANCE
7-48
10. Take care never to allow water and/or dust to enter the
filter case.
11. Install case (2) into head cover (3) while rotating case (2)
clockwise.
Tightening torque: 20 to 30 N·m (2 to 3 kgf·m, 14 to 22
lbf·ft)
12. After replacing 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
2
.] If the machine is operated
without bleeding the air mixed in the hydraulic circuit,
damage to the hydraulic pump may result.
NOTE: Replace the element at the regular intervals to
maintain clean hydraulic oil and extend the service life of the
hydraulic components.
2
3
M4GB-07-050
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