SWDM40 OPERATION & MAINTENANCE MANUAL
●Corresponding action schematic
Push the right pilot handle forward
Push the right pilot handle backward
●Pressure limit function：Turn on pressure limit switch in complex soil condition when lower
pressure is needed.★Note: This model doesn’t support this function.
●
Pressure high-speed function
：
This function can be turned on when the drill string needs less
pressure and the pressure action needs to be faster in complicated geological conditions.
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