Komatsu HB215LC-3, Operation & Maintenance Manual

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ADDITIONAL FILTER FOR BREAKER
NOTICE
Always install an additional filter in the return circuit on machines equipped with a hydraulic breaker.
The additional filter for breaker prevents deterioration of the hy-
draulic oil when using a breaker.
REMARK
Oil flows only when B mode is selected on the monitor.
ACCUMULATOR
k k
WARNING
The accumulator is charged with high-pressure nitrogen gas. Observe the following for handling it, oth-
erwise improper operation may cause an explosion which will lead to serious injury or death.
• 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.
• Do not disassemble.
• Do not bring an open flame close to it or do not dispose of it in fire.
• Do not perform drilling, welding or flame-cutting.
• Do not hit or roll it, or subject it to any impact.
• When disposing of it, the gas must be released. Ask your Komatsu distributor to have this work per-
formed.
NOTICE
To the machine equipped with a breaker, you need to install an accumulator whose model number
matches to that of the breaker manufacturer to the breaker piping. If breaker operation is performed
without having an accumulator installed, the service life of the machine will be reduced. Contact your
Komatsu distributor for further information regarding the breaker.
These accumulator (6) is installed to reduce the peak pressure
in the hydraulic circuit when the breaker is being used. Do not
touch it usually.
When inspecting the accumulator, see “METHOD FOR
CHECKING NITROGEN GAS CHARGE PRESSURE IN AC-
CUMULATOR (FOR BREAKER)”.
ATTACHMENT 1 PROPORTIONAL SWITCH
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WARNING
Lock the pedal with the lock pin in order to prevent the attachment from moving incidentally when oper-
ating the attachment by using the rolling switch.
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT ATTACHMENTS AND OPTIONS
6-12