INITIAL ADJUSTMENTS AND DAILY CHECKS

TM 5-6675-312-14

2-7. INITIAL ADJUSTMENTS AND DAILY CHECKS

a. General. Perform the daily preventive maintenance services (para. 2-4).

b. Metal Carrying Case.

(1) Inspect the metal carrying case hood and base (fig. 2-7) for dents, cracks, and rust. Inspect clamps and

carrying strap for defects.

(2) Inspect the gasket in the metal carrying base (fig. 2-8).

(3) Inspect the metal carrying case desiccant for discoloration.

NOTE

Desiccant should be blue in color. Pink desiccant indicates moisture saturation and must be

dehydrated or replaced.

c. Theodolite and Tribrach assembly.

(1) Visually inspect the theodolite for broken or missing parts, cracked or scratched lenses and mirror, loose

or missing hardware, and other indications of damage.

(2) Rotate the tribrach assembly three footscrew assemblies (fig.

2-1) and inspect for rough travel and

instability.

(3) Inspect the theodolite horizontal drive screw and horizontal clamp (fig. 2-1) for proper operation.

(4) Inspect the theodolite vertical drive screw and vertical clamp (fig. 2-1) fo r proper operation.

(5) Inspect the theodolite telescope eyepiece, reading microscope eyepiece, and focusing sleeve (fig. 2-1) for

proper operation and smooth operation throughout their full travel.

d. Tripod.

(1) Refer to figure 2-11 and inspect the tripod for damaged or missing parts and loose or missing hardware.

(2) Refer to figure 2-12 and inspect the tripod accessory case for damage. See that the plumbbob assembly

and allen wrench are contained in the case and are in serviceable condition.

2-21

Index