Drill Operator Control Panel - WWDR - Continued.
Used to extend or retract work table.
Used to override the safety switch and allow the tophead to slide over the rod
loader at any elevation.
TOP SLIDE Switch
Used to move the tophead from the drilling position to the rod load or unload
Controls the opening/closing of the valve in the mud line between the mud
pump discharge and the derrick air/mud line.
Controls the opening/closing of the valve in the air line that regulates the air
from the receiver tank to the tophead.
Operates the cylinder-powered pipe wrench that is mounted at the back of
Used to release trapped air between the standpipe valve and drill bit.
Allows operator to select operating speed for drilling conditions. Operator can
set switch to LOW, MEDIUM, or HIGH.
Enables the control system that allows oil to flow out of feed cylinder to
control the head force when drilling with a hammer.
Allows operator to regulate amount of pressure maintained in the feed
cylinder for hammer drilling.
Used to activate the control valve and mud pump flow regulator.
WATER INJ FLOW
Regulates the amount of water used during water injection.