Spectra Precision Focus 30 - Page 382

Chapter 6
Adjustment and Verification
Focus 30/35 Service Manual 6 - 128 P/N 79000035_SM, Version 1.5
5 Determine the
Reference point
A. Select Adjust
horizontal gearbox.
B. Push the
Reference
point button to start
the test.
The horizontal
drive turns one
rotation to find
the closest
position
between Coarse
Drive and
cogwheel as
reference point
for the
adjustment.
The reference
point is shown
on results.
It takes app. 12
minutes.
The instrument turns
to the Hz reference
position.
Fig. 6-103 Start Adjust horizontal gearbox
Item Performance Action Result Notes