SWDM320HB OPERATOR’S MANUAL
driving gear and speed reducer. The first stage lubrication of the gear box adopts circulation
lubrication and the second stage lubrication adopts oil-bath lubrication. Planetary is imported.
When spinning-off is required, it can exchange rotary head or jerk in high speed. The driving
sleeve has rectangle teeth and rotates with the kelly bar when they are engaged the control
system is a variable pump, variable motor system and it can automatically adjust its speed and
torque (power load sensing) according to different soil condition
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