XCMG XDN450 Operation Manual page 35

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5）Feed mud pump
Sludge pump is mainly used for water supply and sludge
discharge. During the pipe jacking process, sludge is delivered to
the head of the machine.And the muck under the cutting is
pumped to the ground along with the mud.
The maximum power of the mud pump motor can't exceed 11 kW, and the maximum
power of the mud pump motor can't exceed 15 kW.
6）Support tube
It is connected to the tail of the machine head and placed into the cement pipe in order to
Due to the lack of self-weight of the XDN450 head, it is necessary to add support tube
prevent rotation of the machine head. It can also be used as a laser
channel and mud conveying channel.
devices.
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