XCMG XDN450 Operation Manual page 34

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cylinder must be stopped; Correct operations frequently when the jacking pressure is
large.
4）Repeat steps 2 to 3, and the jacking pipe work is completed when the head reach to the
receiving well.
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2.10 Other auxiliary tools
1）Mud mixing device
The mud mixing device is a device for manufacturing a pipe jacking mud,
which can fully stir the additives such as bentonite and water to prepare mud for
the pipe jacking.
2）Mud processing equipment
The mud processing equipment which facilitates the recycling
of the mud can filter out the particulate matter discharged from the
mud, and has the function of purifying the mud and filtering the
sand.
3）Laser emitter
The laser emitter is an important tool for the direction of
construction of the jacking pipe. It provides an accurate
reference for the jacking direction through the laser position
displayed on the laser target.
4）Grouting pump
The grouting pump is used for the lubrication of the outer
wall of the top pipe, effectively reducing the jacking resistance
and preventing the ground from collapsing.
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