GEAX
s.r.l.
Chapter 2
TRANSPORTING THE DRILLING RIG
1
7
2.5 Replacing extension shaft and relative support rod
2.5.1
Disassembling extension shaft
Do as follows to disassemble the extension shaft:
1.
Place the rotary as low as possible.
2.
Move the hook of the winch 2° near the eyebolt at the top of the
extension shaft (slightly below).
3.
Tilt the mast
(acting alternately on the lever D1 and on the selector D2)
until
reaching the position used to fold it
fig.2.1.2.3
.
4.
Hook the rope of the winch 2° with the eyebolt at the top of the manifold
(connected to the shaft by means of the rotary joint)
.
5.
Bring the mast back to the upright position.
6.
Go to a safe area.
7.
Move the cable of the winch 2° up and pull the shaft off the rotary drag
device.
8.
Move the rope of the secondary winch down and rest the shaft on the
ground.
2.5.2
Disassembling extension shaft guide support
Do as follows to disassemble the guide support from the shaft:
Lower the rotary to the point P
1
indicated in
fig.2.5.2.1.