R2W PLUS
69
5.2 Plate Level and Circular Level
5.2.1 Plate Level
1) Check
1. Mount the instrument on a stable device (as tripod,
adjusting device ), and fix it.
2. Level the instrument until the plate level is parallel
to a line linking leveling foot screws A and B, then
adjust the two screws to center the air bubble.
3. Turn the instrument 180°, observe the moving
direction of the bubble, if it is still centered, no
adjustment is necessary, if not, you have to adjust it.
2) Adjustment
1. Mount the instrument on a stable device and fix it.
2. Level it roughly.
3. Turn the instrument and make the plate level be
parallel to a line linking two leveling foot screws, then
adjust the two screws to center the air bubble .
4. Turn the instrument 180°, adjust the Adj-screw with
adjustment pin slightly to correct half of the bubble’s
displacement when it doesn’t move.
5. Repeat the operation (3) and (4) until the air bubble remains centered in any position .
5.2.2 Circular Level
1) Check
1. Mount the instrument on a stable device and fix it.
2. Level it accurately by the plate level.
3. Observe the bubble of the circular level, if it is
centered, no adjustment is necessary, if not, you have
to adjust it.
2) Adjustment
4. Mount the instrument on a stable device and fix it.
5. Level it accurately by the plate level.
6. Adjust the three adjusting screws to center the
bubble by a wrench.
Note: Be careful when adjusting the three screws,
and the tightening tension is identical for them.
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