Advertisement
GEAX
s.r.l.
• loosen the cable further so that the kelly bar reaches a safely stable
position inside the hole;
•
release the cable by pulling out the pin 2
• remove the kelly bar from the hole and put it in a horizontal
position on the ground using the auxiliary winch; hook it in the
same point as the main winch cable;
•
handle the kelly bar with suitable means, using the connection loop
of the main winch cable and making sure that the kelly bar is not
released
;
• close the hole with the cover again.
MAINTENANCE ON URGENT FAULTS OF THE DRILLING M.
Chapter 4
fig.4.2.1.1
fig.4.2.1.1
and
fig.3.2.3.1
4-2
Advertisement
