hammer breaker
Excavator with
normal bucket
Hydraulic oil
600★
1000
Filter core
100★
250
Wrong
1) Operate machine slowly, the stability of machine
will be decreased because the hydraulic breaker is
heavier than the bucket. Therefore, use dozer
blade to support and work in front of dozer blade.
2) Avoid hammering work with hydraulic breaker.
Never use boom or arm to break objects,
otherwise it will damage machine.
3) Don’t move objects with hydraulic breaker,
otherwise it will damage machine.
4) Don’t operate hydraulic breaker when hydraulic
cylinder piston retracts or extends fully, avoid
damaging hydraulic cylinder or machine.
5) If hydraulic breaker hose jumps abnormally, stop
operation immediately. The pressure change of
breaker accumulator or damaged accumulator
will 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)
FIG.3-3
Wrong
FIG.3-41
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