Komatsu HB215LC-3, Руководство по эксплуатации и техническому обслуживанию

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3.
After checking that the hydraulic oil temperature has drop-
ped, turn the filter case (1) counterclockwise, remove it,
then remove the element (2).
4.
Clean the removed parts, then install the new element (2).
REMARK
Element (2) must be installed facing in the correct direc-
tion. Set holed Y-side up, and fit the hole in element (2) to
the protruding portion inside the 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 x 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)
The safety valve relief set pressure: 20.6 MPa {210 kg/cm
2
} and the safety valve cracking pressure: 15.2 MPa
{155 kg/cm
2
} are provided. Consult your Komatsu distributor.
When the attachment control is installed
• Safety valve relief set pressure of service valve
Port A: 44.3 MPa {452 kg/cm
2
}
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT ATTACHMENTS AND OPTIONS
6-30