Manual of XZ320 Horizontal Directional Drill
31
avoid bending and distortion of auger stem.
Figure 9 Beginning pit
2.7.2 Bore path record
Record actual bore path after construction. List skewness, depth of every
auger stem and describe the construction process integrally. In addition,
construction sketch shall be mapped to record back tow depth and
approximate position.
2.8 Machine startup
2.8.1 Various manipulation rods and switches shall be placed in the middle
position before engine startup.
2.8.2 Switch on power switch and rotate key switch or press startup button
then start up the engine.
Please refer to engine manual for startup and usage of engine.
2.8.3 Low-speed no-load operation for 5 minutes is required after engine
startup for pre-heating.
2.9 Drill positioning
2.9.1 Drill shall be positioned according to soil insertion pint.
2.9.2 Rack shall be inclined to reach required soil insertion angle according
to demand.
2.9.3 Post leg shall be lowered to the ground.
2.10 Assembly of drilling rig
2.10.1 Selection of nozzle and drill bit.
2.10.1.1 Selection of nozzle and drill bit: There are many kinds of nozzles
and drill bits and they shall be selected according to detailed construction
conditions and required mud flow.
2.10.1.2 The nozzle shall be installed on the probe container tube.
top-stm.ru
Summary of Contents for XZ320
Page 1: ...t o p s t m r u ...
