TM5-6675-296-14
c. Cleaning and Inspection.
(1) Clean all parts with an ap-
1. BAYONET TUBE
proved cleaning solvent and dry thor-
2. RING
ouqhly.
Clean the wooden parts with a
3. SLIDE
soft cloth moistened with water and dry
4. CORD
5. PLUMB BOB
thoroughly. Clean the strap with saddle
soap.
(2) Inspect the tripod leg housings
and cover for burrs, cracks, and wear.
Inspect the head and cover for burrs,
scratches, cracks, and breaks.
Inspect
the bridge for bends, burrs, wear, and
damage.
Inspect the clamps, shoes, and
battery box bracket for cracks, breaks,
and wear.
(3) Inspect the strap for cuts,
wear, and damaged seams.
Inspect' the
wooden legs for cracks, splits, wear,
and warping.
(4)
Remove all burrs and minor
scratches.
Straighten minor dents and
bends.
Varnish or paint OD the wooden
legs if the protective coating is worn
or damaged. Paint all exposed metal
surfaces.
(5) Replace all defective parts
that cannot be repaired.
d. Assembly.
(1) Assemble rivets (47, fig.
Figure 4-31. Plumb bob, disassembly and assembly.
(44), bridge screw (43) and screws
(42).
Attach leveling screws (41),
(2)
to center the instrument exactly over
nuts (40), bridge (39), screws (38),
the station point.
R.H. legs (37), L.H. legs (36), bracket
b. Disassembly. Remove bayonet tube
(35), washers (34) and accessory case
(1, fig. 4-31), ring (2), slide (3),
(33).
cord (4) and plumb bob (5).
(3) Attach clamps (32) screws (31),
c.
Cleaning, Inspection and Repair.
nuts (30), shoes (29), screws (28),
(1) Clean all metal parts with soap
washers (27) and screws (26).
and water and dry thoroughly.
(4) Assemble legs (25), screws (24),
(2) Inspect the bayonet tube, ring,
plates (23), clamp plate (22), screws
slide, and plumb bob for signs of wear,
(21), thumbscrew (20) and clamp (19).
cracks, or breaks. Inspect the lugs on
(5) Attach buckle (18), lock plate
the bayonet tube for burrs. Inspect the
(17), leg clamps (16), belt loop (15),
cord for wear.
screws (14), hooks (13), sling (12) and
(3)
Remove all burrs and replace
sling (11).
damaged or defective parts. Use new
(6) Attach screws (10), bracket
cord when reassembling the plumb
(9), bolts (8), head screws (7) and
bob.
housing (6).
d. Assembly. Assemble bayonet tube
(7)
Attach clamps (5), head (4),
(1, fig. 4-31), ring (2), slide (3),
screws (3), pins (2) and cover (l).
cord (4) and plumb bob (5).
4-29. Plumb Bob
4-30. Tripod Wrench
a. General. When installed on the
a. General. The tripod wrench is
tripod, the plumb bob makes it possible
used to tighten or loosen the clamping
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