TM 9-2320-269-10
OPERATING DERRICK CONTROLS FROM THE BASKET
WARNING
One or both baskets must be installed before operating under these conditions. Crew
personnel working In the baskets must wear safety belts.
NOTE
Hydraulic power is transmitted from the operator's console to the trombone hydraulic lines
on the side of the derrick leg. To activate the basket controls, follow the procedures
below.
1.
Move valve control (1) on operator's console (2) to UP or raised position. Basket controls are now powered.
2.
Fasten your safety belt onto the loop on the basket after you get in.
3.
Make sure there are no obstructions In the path the basket will travel before you move the basket.
4.
Move elevation control handle (3) toward the derrick leg to elevate the derrick leg. When you release the
control handle the derrick leg will stop.
5.
To lower the derrick leg, pull control (3) toward the basket.
TA 222615
2-127