TM 5-6675-307-14
CAUTION
completed, perform all tests in order given to ensure
Be on the lookout for "creep",
that other adjustments have not been disturbed.
b. Plate Level.
especially when adjusting the levels.
After setting a bubble or the line of
(1) Testing. Level theodolite as given in
sight, let it stand for a few seconds
figure 2-14. If plate level bubble fails to center, proceed
as given in step (2) below.
to see that no movement occurs.
(2) Adjustment. If bubble failed to center
(5) After each adjustment has been
during the test in step (1) above, proceed as given in
accomplished, perform its applicable test at once.
figure 2-15.
(6) After required adjustments have been
Figure 2-15. Plate level, adjustment.
c. Circular Level.
(2) Adjustment. If circular level bubble fails
(1) Testing. Level theodolite with plate level
to center after test in step (1) above, proceed as given
as given in figure 2-14. If circular bubble fails to center,
in figure 2-16.
proceed as given in step (2) below.
2-16