XE210C Hydraulic Excavator
Operating and Maintenance Manual
102
equipment and machine’s upper structure may be shattered. Before operating the knapper, always
move (lower down) the knapper slowly and put it on broken
object.
b)
Don’t use the knapper to rotate and move something, or the
moving arm, bucket lever and knapper will be damaged.
c)
Prevent the damage on hydraulic cylinder or machine. When
operating the knapper, don’t retract or stretch the hydraulic
cylinder lever fully.
d)
If there is abnormal jumpiness in hydraulic hose of knapper,
please stop the operation at once. the pressure change inside
the battery of knapper or damaged battery will lead to
abnormal hose jumpiness and even cause the damage on
knapper and (or) machine.
e)
Don’t operate the knapper in water, which may make it rusted
even damage the seal and components in hydraulic system.
f)
Don’t use knapper to lift heavy things, which may make the
machine rave about and (or) lead to the damage of knapper.
1
Fig.-106
Fig.1-10
7
Fig.1-108
Fig.1-109
Fig.1-105
Wrong
Wrong
Abnormal jumpiness
of hose
Energy
accumulator
Abnormal
jumpiness
of hose
Wrong
Hammer
lever
Wrong
