48
(7) When retract foreside attachment, don‘t let the
chisel of breaker to touch boom (As figure 3.8.5).
(8) Don‘t operate hydraulic breaker in water.
(9) Don‘t lift objects with hydraulic breaker, otherwise it
will cause machine upset and (or) breaker damage
(As figure 3.8.6).
(10) Don‘t swing superstructure to the side of machine to operate hydraulic breaker, or the machine will
be very 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 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.
Excavator with hydraulic hammer
crusher
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