TM5-6675-296-14
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. HORIZONTAL CIRCLE HARD TO MOVE
Check if circle drive knob is out of adjustment.
Adjust knob (fig. 3-7).
NOTE: THEODOLITE MODEL T2 - 63MIL
SHOWN, ADJUST ALL MODELS IN
A SIMILAR MANNER.
STEP 1.
OPEN THE KNOB COVER.
STEP 2.
TURN THE DRIVE KNOB UNTIL THE THREE
SCREWS CAN BE SEEN THROUGH THE HOLES
IN THE KNOB.
LOOSEN THE THREE SCREWS JUST ENOUGH
STEP 3.
TO MOVE THE KNOB. MOVE THE KNOB UP
OR DOWN UNTIL IT TURNS SMOOTHLY
WITHOUT WHIPLASH.
TIGHTEN THE THREE SCREWS AND CLOSE
STEP 4.
THE KNOB COVER.
TS 6675-296-14/3-7
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