TM 5-6675-306-14
CHAPTER 6
REPAIR OF TRIBRACH ASSEMBLY
Section I. GENERAL
6-1.
Description
for securing the theodolite to the tripod, with the
utilization of the tripod central fixing screw. Leveling is
The tribrach assembly consists of the base plate, locking
accomplished by means of the foot- screws. Precise
plate, footscrews, circular level, optical plummet, and
location of the theodolite over the station point is
lock knob. The tribrach assembly forms a leveling base
verified by sighting through the optical plummet.
between the theodolite and the tripod head. The base
plate provides a means
Section II. TRIBACH ASSEMBLY COMPONENTS
6-2.
Base Plate
(2) Refer to figure 5-2 and remove the base plate.
c. Disassembly.
a. General. The base plate is used to secure the
Refer
to
and
disassemble the base plate.
theodolite to the tripod by means of the tripod central
fixing screw.
b. Removal.
(1) Refer to figure 4-3 and remove the tribrach
assembly.
6-1
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