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> THEODOLITE WILL NOT STAY ON LINE-CONT.
Figure 3-4. Horizontal collimation error, adjustment.
Figure 3-5. Lamps and battery, removal and installation.
TM-5-6675-296-14 Theodolite Directional; 0.002 Mil Graduation 5.9-In. Long Telescope; Detachable Tribrach; W/Accessories and Tripod Manual
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TM5-6675-296-14
MALFUNCTION
TEST
OR
INSPECTION
CORRECTIVE ACTION
3.
PLATE
LEVEL
BUBBLE NOT CENTERED
Check
if
plate
level
is
out
of
adjustment
Adjust
plate
level
(fig.
3-3).
4.
COLLIMATION
LEVEL BUBBLE NOT CENTERED
Check
if
collimation
level
is
out
of
adjustment.
Adjust
collimation
level
(fig.
3-4).
5.
LIGHTS
ON
VERT.
AND
HORIZ.
CIRCLES
UNEQUAL OR ABSENT
Step
1.
Check
if
illumination
lamp
is
defective.
Replace
lamp
(fig.
3-5).
3-9