TM 5-6675-306-14
KEY to fig. 4-7:
1 Ring
4.
Adjuster slide
2 String
5.
Nut
3. Bayonet socket
6.
Plumb bob
Section XII. ACCESSORIES
4-22. General
(1)
Clean the metal part of the black sunglass using
clean cloth dampened with an approved cleaning
The accessories consist of a plastic cover to protect the
solvent.
theodolite when not in use; a black sunglass which
(2)
Clean the lens with a soft brush, lens tissue or
protects against eye damage when performing
an approved cleaning solvent.
observations against direct sunlight; two lamp fittings
(3)
Inspect the eyepiece for bent or cracked metal
used to install the illumination system; two adjusting pins
parts.
and a screwdriver used to adjust the horizontal axis,
(4)
Replace a defective black sunglass.
vertical reading assembly, and vertical collimation level:
:? brush and chamois used to clean the theodolite; a
4-25. Diagonal
Telescope
and
Diagonal
grease container used to store approved lubricant; and
Microscope Eyepieces
diagonal microscope and telescope eyepieces used for
a Removal.
high angle observations.
When not in use all
Refer to figure 2-13 and remove
accessories are stored in the accessory case.
the diagonal eyepieces.
4-23. Adjusting Pins and Screwdriver
b. Cleaning and Inspection.
a.
Removal.
WARNING
Remove the adjusting pins and
screwdriver from the accessory case (fig. 2-5i.
Dry cleaning solvent, P-D-680, used to
b.
Cleaning, inspection and repair.
clean parts is potentially dangerous to
WARNING
personnel and property. Avoid repeated
Dry cleaning solvent, P-D-680, used to
and prolonged skin contact. Do not use
clean parts is potentially dangerous to
near open flame or excessive heat.
personnel and property. Avoid repeated
Flash point of solvent is 1000 F.-138
and prolonged skin contact. Do not use
F. (380 C.-59 0 C.)
near open flame or excessive heat.
(1) Clean all parts except the lenses with a clean
Flash point of solvent is 100 F.-138 F.
cloth dampened with an approved cleaning solvent.
(380 C.-590 C.)
(2) Clean the lenses with a soft brush, lens tissue,
(1)
Clean adjusting pins and screwdriver with an
or an approved cleaning solvent.
approved solvent and dry thoroughly.
(3) Inspect the lenses for chips, cracks and fungus
(2)
Inspect adjusting pins and screwdriver for
etching. Inspect the metal parts for bends, breaks, and
bends, nicks, scratches, burrs, and damage.
worn or damaged threads.
(3)
Remove all burrs and scratches; straighten
(4) Replace defective diagonal eyepieces.
dents and bends.
c. Installation. Refer to figure 2-13 and install the
(4)
Replace defective adjusting pin or screwdriver.
diagonal eyepieces.
c.
Installation.
Install adjusting pins and
4-26. Dust Brush, Chamois, and Plastic Cover
screwdriver in accessory case (fig. 2-5).
a. General. The dust brush and chamois are used
4-24. Black Sunglass
to clean the theodolite. The plastic cover is used to
a.
General. The black sunglass is push-fit on the
protect the theodolite.
b. Cleaning and Inspection.
telescope eyepiece (fig. 2-5).
WARNING
b.
Cleaning and Inspection.
WARNING
Dry cleaning solvent, P-D680, used to
clean parts is potentially dangerous to
Dry cleaning solvent, P-D-680, used to
personnel and property. Avoid repeated
clean parts is potentially dangerous to
and prolonged skin contact. Do not use
personnel and property. Avoid repeated
near open flame or excessive heat.
and prolonged skin contact. Do not use
Flash point of solvent is 1000 F.-138'
near open flame or excessive heat.
F. (380C.-590C.)
Flash point of solvent is 100 F.-138
(1) Clean the dust brush with an approved solvent.
F. (380 C.- 59 C.)
Change 2 4-16
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