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REMARK
When a breaker is installed, depress only the front side of pedal.
METHOD FOR SWITCHING HYDRAULIC CIRCUIT
Depending on the type of attachment, set the working mode on the monitor.
The hydraulic circuit and the set pressure of the safety valve in the service valve switch according to the working
mode selected.
Depending on the attachment, it is necessary to change the oil flow in the service circuit.
For setting of the flow, see OPERATION, “MACHINE SETTINGS”.
Switching method of breaker and general attachment
Install an optional attachment and set the working mode to B mode.
Hydraulic oil flowing through breaker circuit passes through the additional filter for breaker. Pressure of relief
valve is set to low. Maximum oil flow can be adjusted in the user mode.
Set pressure of safety valve of service valve (when shipped from plant): 20.1 MPa {205 kg/cm
2
}
Breaker circuit (one-way circuit) is formed.
Switching method of crusher or other attachment with 2-way circuit
Install an optional attachment and set the working mode to ATT/P or ATT/E mode.
Hydraulic oil flowing through crusher circuit does not pass through the additional filter for breaker. Pressure of
relief valve is set to high. Maximum oil flow can be adjusted in the user mode.
Set pressure of safety valve of service valve (when shipped from plant): 24.5 MPa {250 kg/cm
2
}
Crusher circuit (2-way circuit) is formed.
METHOD FOR REMOVING AND INSTALLING ATTACHMENT
k
k
WARNING
• Lower the attachment to the ground and stop the engine.
• Oil pressure may be remained on the attachment side even though the stop valve is in LOCK posi-
tion.
Before removing and installing attachment, release the internal pressure in the hydraulic circuit by
referring to METHOD FOR REMOVING AND INSTALLING ATTACHMENT.
• The pressure in the hydraulic circuit cannot be completely released. When removing the hydraulic
equipment, do not perform any work in the direction of the oil spurting out. When loosening the
screw, do it slowly.
• Immediately after the engine is stopped, its parts and oil are still very hot, and may cause burn in-
jury. Wait for the temperature to go down, and then start the work.
METHOD FOR REMOVING ATTACHMENT
1.
Turn the starting switch to ON (B) position.
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
ATTACHMENTS AND OPTIONS
6-16
Содержание HB215LC-3
Страница 2: ......
Страница 11: ...Do not jump down from the cab or machine Do not repeatedly handle and lift loads FOREWORD VIBRATION LEVEL 1 9...
Страница 24: ......
Страница 27: ...LOCATION OF SAFETY LABELS SAFETY SAFETY LABELS 2 3...
Страница 72: ......
Страница 73: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1...
Страница 344: ......
Страница 345: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...
Страница 359: ...Fuel main fil ter cartridge Replace Replace Replace Replace MAINTENANCE MAINTENANCE SCHEDULE 4 15...
Страница 431: ...SPECIFICATIONS 5 1...
Страница 474: ......
Страница 475: ...REPLACEMENT PARTS 7 1...
Страница 482: ......
Страница 491: ......
Страница 492: ...HB215LC 3 HYDRAULIC EXCAVATOR Form No UENAM01522 2019 KOMATSU All Rights Reserved Printed in Belgium 02 2019...