TM 5-6675-307-14
(1) Clean all metal parts with an approved
(3) Inspect the tribrach for damage or
distortion.
cleaning solvent, P-D-680, and dry thoroughly.
(2) Brush all dirt and dust from tribrach
(4) Inspect the leveling screws for stripped
threads or burrs.
components. Wipe all external surfaces clean with a
lint-free cloth.
Section VIII. TRIPOD ASSEMBLY, PLUMB BOB, AND TRIPOD WRENCH
4-15. General
NOTE
The tripod assembly is of the extension leg type and
The instrument contact surfaces of the
consists of the tripod head, tripod leg assemblies and
tripod head and the threaded portion of
the cover plate. When the theodolite is being used for
all screws and fasteners shall not be
surveying work and other precision measuring, it is
painted.
mounted on the tripod head. The plumb bob and tripod
wrench are kept in the tripod accessory case mounted
(6) Replace all defective parts that cannot b( repaired.
on one of the tripod legs. When the plumb bob is
d. Reassembly. Refer to figure 4-3 ant
installed on the tripod head, the plumb bob makes it
possible to center the instrument exactly over the station
reassemble the tripod.
point. The tripod wrench is used to tighten or loosen the
4-16. Plumb Bob and Tripod Wrench
clamping screws, under the tripod head, that hold the
a. General. Refer to figure 4-3 and disassemble
tripod legs in position.
a. Disassembly.
Refer to figure 4-3 and
the plumb bob.
b. Cleaning, Inspection and Repair.
disassemble the tripod.
b. Removal. Refer to figure 4-4 and remove the
WARNING
tripod head cover.
c. Cleaning and Inspection.
Dry cleaning solvent, P-D-680, used
to
clean
parts
is
potentially
WARNING
dangerous
to
personnel
and
Dry cleaning solvent, P-D-680, used
property.
Avoid repeated and
to
clean
parts
is
potentially
prolonged skin contact. Do not use
dangerous
to
personnel
and
near open flame or excessive heat.
property.
Avoid repeated and
Flash point of solvent is 100 F. (38
prolonged skin contact. Do not use
C.) 138 F. (59 C.).
near open flame or excessive heat.
(1) Clean all metal parts with an approved
Flash point of solvent is 100 F. (38
cleaning solvent, P-D-680, and dry thoroughly.
C.) 138 F. (59 C.).
(2) Inspect the bayonet socket, ring, slide, and
plumb bob for signs of wear, cracks or breaks. Inspect
(1) Clean all metal parts with an approved
the lugs on the bayonet socket for burrs.
cleaning solvent, P-D-680, and dry thoroughly. Clean
(3) Remove all burrs and replace damaged or
the wooden parts of the tripod with a soft cloth, soap and
defective parts. Use new cord when reassembling the
water, and dry thoroughly. Clean leather parts with
plumb bob.
c. Reassembly.
saddle soap.
Refer to figure 4-3 and
(2) Inspect the tripod head, and cover, shoes,
reassemble the plumb bob.
d. Tripod Wrench.
bridge, clamps and battery box bracket for cracks,
breaks and wear.
(1) Removal. Remove the tripod wrench from
(3) Inspect the strap for cuts, wear and
the holder (fig. 4-3).
damaged seams.
(2) Cleaning, Inspection and Repair.
(4) Inspect the tripod legs for cracks, splits and
WARNING
warping.
Dry cleaning solvent, P-D-680, used to clean parts is
(5) Remove
all burrs
and
scratches.
Straighten dents and bends. Surfaces that require
potentially dangerous to personnel and property.
painting, shall be painted in accordance with MIL-T-704.
Avoid repeated and prolonged skin contact. Do not
use near open flame or excessive heat. Flash point
of solvent is F. (38 C.) 138 F.(59 C.).
4-5
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