15
16
5.
Slide the Pendulum Switch
2
to the LOCK position.
6.
Without turning the instrument, place it close to
wall B.
7.
Slide the Pendulum Switch
2
to the UNLOCK position and allow the visible line to
stabilize.
8.
Align the height of the horizontal laser line (using the tripod or by placing objects
underneath the instrument as required) with the previously marked
point b
on
wall B
.
B
A
b
a1
9.
Without changing the height, rotate the instrument 180° to direct the laser beam
toward
wall A.
10.
Allow the instrument to self-level and mark the center of the horizontal line on
wall A
(point a2).
B
A
a2
b
a1
11.
Measure the vertical distance between
a1
and
a2
that indicates the actual height
deviation of the instrument.
If the actual deviation is greater than the Allowable Deviation for the corresponding
Distance Between Walls in the table below, the instrument must be serviced.
Distance Between Walls
Allowable Deviation
16' (5m)
5/32" (4mm)
30' (9m)
5/16" (8mm)
Summary of Contents for TB-H2-LL-30-L2
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