TM 5-3820-256-1 0
Figure 1-3. Drilling Rig Clearance Angles, Center of Gravity
1-8. Rig Tender Equipment Characteristics, Capabilities, and Features. The rig tender is an air-transportable support
vehicle and is designed to haul water, fuel, and water well drilling support equipment to the drill site. The rig tender is
designed for one-man operation; it is also designed for use in all types of environmental conditions. Figure 1-4 shows the
rig tender's lifting and tie-down points.
a.
Major Components Features and Capabilities.
(1)
Crane.
(a) Manual pullout boom.
(b) Hydraulic extension boom.
(c)
Extension cylinder.
(d) Mainboom.
(e) Boom cylinder.
(f)
Turret assembly.
(g) Base assembly.
(h) Winch.
(i)
Cable.
(j)
Snatch block.
(k)
Remote control unit.
(2)
Welder and generator.
(a) Engine.
(b) Battery.
(c)
Generator
(d) Control panel.
1-16