50
Excavator with hydraulic
hammer breaker
Excavator with
normal bucket
Hydraulic oil
600
★
1500 or 2500
Filter core
100
★
500
z
The figures with mark ★ apply for excavators whose
hydraulic breaker operation time is more than 100%. For the
hydraulic breaker operation time ratio is less than 100%,
the replacement interval should be as the diagram shows.
z
When the machine operates hydraulic breaker continuously
more than 100 hours, replace hydraulic oil filter core.
cause unusual hose jump, and damage hydraulic breaker or machine.
6)
When retract foreside attachment, don’t allow the chisel of breaker to touch boom.
7)
Don’t operate hydraulic breaker in water.
8)
Don’t lift objects with hydraulic breaker, otherwise it will cause machine upset and (or)
breaker damage.
9)
Don’t swing superstructure to the side of machine to operate hydraulic breaker, or the
machine will be instable and thus shorten the
lifetime of undercarriage.
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 shown as follows.
Replacement interval (hours)
Wrong
FIG.3-41
