SOUTH
ET
‐
02/05
ELECTRONIC
THEODOLITE
SERVICE
MANUAL
8
SOUTH
SURVEY
&
MAPPING
INSTRUMENT
CO.,
LTD.
8
Step 7: Left horizontal axis sheath (vertical CCD unit
bracket
)
refer to step 1, 2, 5 and 6, remove left cover, angle main
board, vertical absolute encoder disk and vertical CCD unit,
then invert the disk unit, there is a copper horizontal axis, use
a round clamp to remove the fix cover.
Hold the left horizontal axis sheath in one hand and hold the
absolute vertical encoder disk in the other hand, then take the
disk out of the axis. Keep these two parts properly.
Step 8: Vertical clamp and tangent handwheel
Refer to step 4, remove the right cover and then loosen(not remove) the 2 vertical clamp and tangent fix
screws by hexagon wrench, the right thumb press the bottom of the vertical clamp rod, the left hand drag the
vertical clamp and tangent handwheel gently.
Step 9: Electronic tilt sensor
Refer to step 1,3,4, remove the left cover and unplug the electronic tilt sensor plug, remove the LCD plate
on the left of right cover then cut the string. Drag the connecting wire and open the right cover. Then remove
the two setscrews shown in the picture.
Step 10: Horizontal clamp and tangent screw
Refer to step 3, remove the LCD plate on the left of right cover
then loosen the 2 horizontal clamp and tangent fix screws
by
hexangular spanner. The right hand thumb press the left end of
the horizontal brake rod and drag the horizontal clamp and tangent screw gently by left hand.
