Section X. TRIPOD ASSEMBLY, PLUMB BOB, AND TRIPOD WRENCH
instrument exactly over the station point. The tripod
57. General
wrench is used to tighten or loosen the clamping screws
The tripod assembly is of the rigid-leg type which
under the tripod head to hold the tripod legs in position.
consists of the tripod head, tripod leg assemblies, and
58. Tripod Assembly
the cover plate. When the theodolite is being used for
surveying work and other precision measuring, it is
a. Disassembly.
mounted on the tripod head. The plumb bob and tripod
(1) Remove the tripod tool kit (fig. 15).
wrench are kept in the tripod tool kit mounted on one of
(2) Refer to figure 34 and disassemble the
the tripod legs. When the plumb bob is installed on the
tripod assembly.
tripod, it is possible to center the
1
Leg (6 rqr)
16
Setscrew
2
Strap
17
Screw
3
Washer (2 rqr)
18
Screw
4
Screw (2 rqr)
19
Nut
5
Bracket
20
Screw (6 rqr)
6
Screw (4 rqr)
21
Bushing (3 rqr)
7
Bracket
22
Screw (6 rqr)
8
Screw (6 rqr)
23
Wedge (6 rqr)
9
Housing
24
Screw (3 rqr)
10
Pin (3 rqr)
25
Shoe (3 rqr)
11
Screw (3 rqr)
26
Bushing (3 rqr)
12
Head
27
Spacer (3 rqr)
13
Cover
28
Spacer (3 rqr)
14
Washer
29
Nut (3 rqr)
15
Bridge screw
Figure 34. Tripod assembly, disassembly and reassembly.
AGO 5078A 44