Typical Old Fashion Long-Hole Two Column Bar Set-Up Return to Column Bar Page Purdie Mine Ratchet Jacks
|Sketch shows a Denver DH123
drill mounted on MA2MSUB48 feed
assembly clamped to a six foot cross arm using a COL60X swing dump clamp.
The six foot cross arm is clamped to two vertical BB9900 manual screw jack standard column bars using two COL508CA column clamps.
Both column bars rest on wooden blocks and are braced at the top against wooden blocks supported by wedges at the back of the drift.
The hoses are displayed in correct configuration for use of flushing water and blowing air.
Typical tools are displayed on the floor including a Chuck Wrench and Rod Wrenches.
The lubricator is a Joy 5048912 with 1 14/" fittings
Drill is in the process of drilling a vertical down hole.
Click on components in drawing for more detail
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Last modified: March 14, 2017