TM 9-2320-269-10
OPERATING DERRICK CONTROLS FROM THE BASKET - CONTINUED
NOTE
Avoid any sudden movement of the controls that causes the equipment to jerk. Operate
the controls smoothly and gradually.
6.
To rotate the derrick leg (1) clockwise, pull the rotate control handle (2) back toward the basket. When you
release the rotate control handle (2), the derrick leg will stop.
7.
To rotate the derrick leg (1) counterclockwise, push the rotate control handle (2) toward the derrick leg.
When you release the rotate control handle (2), the derrick leg will stop.
8.
To extend the derrick leg hydraulic extension section, push the extend control handle (3) toward the derrick
leg. When you release extend control handle (3), the extending movement of the hydraulic section will stop.
9.
To retract the derrick leg hydraulic extension section, pull the control extend handle (3) toward the basket.
When you release extend control handle (3), the hydraulic extension section retracting movement will stop.
OPERATION-TURRET WINCH
NOTE
The turret winch has a maximum capacity of 12,500 pounds (5,670 kg). The degree of
the derrick leg elevation and length it is extended changes the lift capacities. The
capacities and length of extension are shown on a chart on the operator's console and on
pages 1-11 and 1-12.
TA 222616
2-128