TM 9-2320-269-10
GLOSSARY - CONTINUED
PULL-OUT
The manual controlled telescopic third section fiber-glass tube
EXTENSION
which isolates the steel section to which the man-basket is
attached. Isolation is necessary for safety and prevents electric
wires from making contact with the steel leg extension.
PUMP
A device which converts mechanical force and motion into
hydraulic fluid power.
RAM
A single-acting cylinder with a single diameter plunger rather than
a piston and rod. The plunger in a ram-type cylinder.
RESERVOIR
A container for storage of liquid in a fluid power system.
STRAINER
A coarse filter, or screen.
SUB-FRAME
An added structural unit attached to the top side of the truck
chassis frame to provide a load distribution path between the
derrick mast and the derrick outriggers.
TOOL OUTLETS
Quick disconnect fittings for supply of hydraulic power to
accessory tools.
TROMBONE
A device used to stow and allow extension of the extra lengths of
hydraulic lines when the hydraulic extension of the derrick leg Is
extended or retracted.
TURRET
The rotating section of the base which supports the derrick leg
section.
TURRET WINCH
The hydraulic powered winch mounted on top of the turret.
1-6