XE210C Hydraulic Excavator
Operating and Maintenance Manual
150
Hammer-type Knapper (Optional)
The operator must choose proper hammer-style knapper for the equipment.
Before installing the knapper onto scoop lever, please read carefully this book and operational manual of
hammer-style knapper and verify or check it according to the requirement. The installment of knapper tubing
should refer to the above picture.
Important: when connecting tubes of hammer-style knapper, pay more attention to: 1)
while changing the bucket or scoop into knapper, don’t let the dirt enter hydraulic
system.2) when the knapper is not in use, lid should be placed on the tube inlet on the top
of scoop lever and the plug should be put on the hose end of the knapper to prevent the
dirts into the system. While standby lid and plug must be contained in toolkit for the
convenience of usage.3) after the connection, check the sealing of connection to see if there
is any oil leakage or flexibility of pipe connectors.
Weight of hammer-style knapper
a)
When the components other than the standard bucket is installed on the machine, the stability of
machine may change, for the heavy parts will not only affect the controlling ability, but also reduce
the stability of the machine, leading to the problem of safety possibly.
Fig. 1-2 Drawing of hammer-style knapper
Front
Bucket
lever
Knapper
Moving
arm
Excavator
Body frame
Operational
pedal
Hydraulic
oil tank
M
u
it
i-
v
ay
v
al
v
e
Pump
Right front
Control valve
Off: not used
On: used
Left front
Relief valve
Relief valve
