Komatsu PC210-11, Operation & Maintenance Manual

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3.
After checking that the hydraulic oil temperature has drop-
ped, turn filter case (1) counterclockwise, remove it, then
remove element (2).
4.
Clean the removed parts, then install new element (2).
REMARK
Element (2) must be installed facing in the correct direc-
tion. Set direction (Y) with the holes in it up, and fit the hole
in element (2) on the protruding part inside filter head (4).
5.
Install a new O-ring (3) to filter case (1), then tighten filter
case (1).
Tightening torque: 25 to 35 Nm {2.6 to 3.6 kgm}
SPECIFICATIONS
Hydraulic specifications
• Max. flow at merge: 214×2 ℓ/min
• Safety valve relief set pressure of service valve
Port A: 29.9 MPa{305 kg/cm
2
} (other than B mode)
Port B: 29.9 MPa{305 kg/cm
2
} (other than B mode)
• Safety valve cracking pressure of service valve
Port A: 24.5 MPa{250 kg/cm
2
} (other than B mode)
Port B: 24.5 MPa{250 kg/cm
2
} (other than B mode)
• Safety valve relief set pressure of service valve
Port A: 29.9 MPa{305 kg/cm
2
} (B mode)
Port B: 24.5 MPa{250 kg/cm
2
} (B mode)
• Safety valve cracking pressure of service valve
Port A: 24.5 MPa{250 kg/cm
2
} (B mode)
Port B: 20.1 MPa{205 kg/cm
2
} (B mode)
When the attachment control is installed
• Safety valve relief set pressure of service valve
Port A: 38.9 MPa{397 kg/cm
2
}
Port B: 38.9 MPa{397 kg/cm
2
}
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT ATTACHMENTS AND OPTIONS
6-56