50
Replacement of hydraulic oil and filter core
Hydraulic breaker operation will pollute hydraulic system and accelerate aging. You should replace hydraulic
oil filter core and hydraulic oil more frequently to avoid damaging hydraulic pump and other hydraulic parts.
The recommended replacement interval is as follows.
Replacement (hours)
Note: (1)Number with ★ mark means the interval that all the machine operation time is for hydraulic
breaker. For the hydraulic breaker operation time ratio is less than 100%, the replacement interval
should be as hereinafter diagram shows.
(2)When the machine operates hydraulic breaker continuously more than 100 hours, replace hydraulic
oil filter core.
Hydraulic crusher operation tips…if equipped
Choose correct dimension and weight hydraulic crusher. Consult
with your dealer.
Operate excavator slowly to avoid overturning, and pay attention to
following items.
(1) In order to prevent damaging excavator, don’t operate
hydraulic crusher when bucket cylinder fully extend or
retract (As figure 3.9.7).
(2) Don’t swing upper structure to the side of machine to operate hydraulic crusher. In order to prevent
Excavator with hydraulic hammer
crusher
Filter
core
replace
ment
interval
1500hrs
lifetime
hydrauli
c oil
2500hrs
lifetime
hydraulic
oil
Hydraulic breaker operation time percentage (%)
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