Spectra Precision FOCUS 35 - Page 383

Chapter 6
Adjustment and Verification
P/N 79000035_SM, Version 1.5 6 - 129 Focus 30/35 Service Manual
6 Start Horizontal
Gearbox adjustment.
A. Press Adjust button to
start the test.
B. Turn the complete
instrument facing the
MCB by touching the
tribrach only, to
reach the drive
adjustment srews.
The current
adjustment
value and bar
will be shown.
The instrument
is turned to the
adjustment
position without
loosing the Hz
reference
position.
It takes app. 4
minutes.
Important:
Do not turn the
instrument referring
to the tribrach to keep
the Hz angle. The
reference point would
be lost and the test
result will be wrong
!
Fig. 6-104 Start horizontal gearbox adjustment
Item Performance Action Result Notes