Chapter 6
Adjustment and Verification
Focus 30/35 Service Manual 6 - 148 P/N 79000035_SM, Version 1.5
Optical plummet
• Adjustment of Optical Plummet
Tools and equipment
Adjustment of Optical Plummet
Performance
Description Part number
Tripod, tribrach and marker Local tools
Torque wrench, 120 Ncm T71600280
Special screw driver T10x80 with clamp spring
(e.g. Wiha 362R T10x80 SoftFinish® TORX®MagicSpring®)
Wiha order number:
27740
Item Performance Action Result Notes
1 Set-up instrument to
1,5m.
A. Set up the instrument
on a tripod, start with
tribrach height 1,5m
and focus to the
ground mark.
B. Align the inner circle
to the ground mark
by the footscrews in
face 1.
C. Turn the instrument
in face 2 and note the
position of the inner
circle.
Tripod height is 1,5m
0,1m
(4,920ft
0,328ft)
and 0,5m
0,1m
(1,64ft0,33ft)
2 Coarse adjustment
optical plummet.
A. Loosen the locking
screw.
B. Correct half the
vertical error by
sliding the plummet
in or out, correct half
the lateral error by
turning the plummet.
The other half by
turning the
footscrews.
C. Tighten the Locking
screw.
Tolerance:
< 0,5mm
60Ncm,/
5,31lbfin
Torx 10