Hydraulic Breaker
Replace the hydraulic oil regularly!
When using a hydraulic breaker, the oil
deteriorates quicker than during normal
digging. Be sure to replace the hydraulic oil
and return filter element.
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Failure to replace these in time can lead
to damage to the machine and breaker’s
hydraulic systems. In order to improve
the service life of the hydraulic systems,
be sure to replace the hydraulic oil
and return filter element according to
the following chart of the replacement
interval.
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Clean the suction strainer when changing
the return filter element.
Replacement Interval (Hours)
Item
Hydraulic Oil
Filter Element
1st time 25
2nd time 100
Periodically 1200 (600) 200
When the breaker operating ratio is 100%
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Do not drop the breaker itself on the
object to be broken in order to break it.
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Do not move objects to be broken or
rocks with the breaker itself.
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Slew occasionally to cool the engine.
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If a hydraulic hose is vibrating abnormally,
nitrogen gas may be leaking from the
accumulator. Have an inspection as soon
as possible.
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