TM 5-6675-306-14
STEP 1.
BRING PLATE LEVEL BUBBLE TO AS NEAR
CENTER AS POSSIBLE.
STEP 2.
WITH THE THEODOLITE IN THIS POSITION,
CORRECT ONE-HALF OF THE BUBBLE ERROR BY
TURNING THE FOOTSCREW.
STEP 3.
USING THE ADJUSTING PIN (FIG. 2-5), TURN THE
PLATE LEVEL ADJUSTING SCREW TO CORRECT
THE OTHER HALF OF THE ERROR.
STEP 4.
REPEAT THE ABOVE STEPS UNTIL THE BUBBLE
REMAINS CENTERED REGARDLESS OF THE
POSITION TO WHICH THE THEODOLITE IS
TRAVERSED.
Figure 2-15. Plate level adjustment.
2-26
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