TM 5-6675-307-14
e.
Inspection and Repair.
the mount for the theodolite alidade. The tribrach in turn
mounts on the tripod base plate. The tribrach is
(1) Inspect vial for cracks, scratches,
equipped with leveling screws and a circular level to
etching and defective bubble.
provide a level support for the theodolite. The tribrach
(2) Check all metal parts for cracks,
is secured to the theodolite by a clamp screw.
distortion and burrs.
b. Removal. Refer to figure 4-3 and remove
(3) Remove any burrs.
Replace any
tribrach assembly.
defective part.
c. Disassembly.
f.
Reassembly. Reassemble level in reverse
Disassemble tribrach
assembly in the order of the index numbers in figure 6-
order of disassembly.
g. Installation. Install plate level in reverse
2.
order of removal.
6-3.
Tribrach Assembly
a. General. The tribrach assembly serves as
6-2
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