D20x22 Series II Navigator HDD
Machine Controls 20-19
R
OTATION
C
ONTROL
(1)
Drill Rotation Handle (Left Handle)
Pull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . rotate clockwise
Use for drilling forward or backreaming.
Push . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .rotate counterclockwise
Use for uncoupling threaded drill rods.
The
Drill Rotation Handle
automatically returns to the NEUTRAL
position when released.
NOTICE:
Never rotate drill string counterclockwise while drilling,
pulling back, or backreaming.
(2)
2-Speed Rotation Button
Press top. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . high
Press bottom. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .low
Speed is automatically switched to LOW when front vise is
clamped.
(3)
Drill Rotation Pressure/Torque Gauge
2
3
1