ARMY TM 5-5420-212-10-1
MARINE CORPS TM 08676A-10/1-1
The adjustable support is used in the construction of double story and link reinforced bridges, and supports the
roller beam and bridging capsill. It also permits adjustment in the roller beams height and slope.
In the posts of the adjustable support there are six support pin holes the centers of which are 51/2 in (I 40 mm)
apart. These holes are used to support the roller beam/capsill and jack seat during raising and lowering of the beam to
various heights. Leveling screws are adjusted to allow the adjustable support to rock 14 in (6 mm) in either direction.
BALL JOINT. Used as pivoting point for adjustable support. Takes load of roller beam and distributes through the
FIXED SUPPORT ON
SINGLE STORY BASEPLATE