193
OPTIONS
Hydraulic Breaker
¡Do not drop the breaker itself on the object
to be broken in order to break it.
¡Do not move objects to be broken or rocks
with the breaker itself.
¡Slew occasionally to cool the engine.
¡If a hydraulic hose is vibrating abnormally,
nitrogen gas may be leaking from the
accumulator. Have an inspection as soon
as possible.
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.
¡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 after the number of hours
shown on the diagram below.
¡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 600 200
When the breaker operating ratio is 100%
2000
1500
1000
500
0
40
100
80
6020
Breaker operating ratio (%)
Replacement interval (H)
N0G036
Replacement interval
for hydraulic oil
Replacement
interval for filter element
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