RIGGING / DE-RIGGING
BG 25 / 2011 /
2254_BG25_en_0000498763_V01
7 - 21
Lift Kelly until its square stub is approx. 20 cm above the rotary drive.
CAUTION
Risk of damaging components!
Avoid collision with the rotary drive!
Set mast to upright again.
Allow the Kelly to stop swinging and then insert it into the rotary drive.
NOTE
Slight rotation with the rotary drive can be helpful when inserting the
Kelly.
Insert the Kelly through the rotary drive.
Mount drilling tool to Kelly with two pins.
CAUTION
Risk of damaging components!
At all times, use TWO pins to mount the drilling tool, and do not forget
to secure the pins.