OPERATION & MAINTENANCE MANUAL SWE18UF
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e) Do not continue to hit over 1 minute
When the hammer breaker continues to hit over 1 minute at
the same place, if the rock still not be crushed, replace hit
point to hit again. The drill rod will be abraded fast if the
striking is kept at one point continuously.
f) Crush a big hard rock starting from the edge
Hitting from the crack or the edge, it’s a relatively easy job,
even if to crush a big hard rock.
g) Operate hammer breaker with proper engine speed
Operate the hammer breaker with a proper engine speed,
high engine speed not only cannot improve hitting power of
the hammer breaker, but also make oil temperature high, so
as to damage piston and valves.
h）Do not operate the hammer breaker in water or mud
When parts except drill rod sinking in water or mud, please
stop operating the hammer breaker, because mud may be
gathered on the piston or the similar parts, resulting in the
premature damage of the hammer breaker.
i）Do not hit the rock with the falling part of hammer breaker
Hit the rock with falling part of hammer breaker that will
cause counter-acting force to hammer breaker and the load
bearing mechanism, thus, damage the hammer parts and the
machine.
j) Do not hit the limit position of load -bearing cylinder
When hitting on the limit position of load-bearing cylinder
(machine boom completely stretched or retracted), arm and
every part of loaded machine will be damaged.
k） Do not use hammer breaker to lift objects
Lifting objects on the hammer breaker or drill rod, it will
damage the hammer breaker and it’s very dangerous.
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