Spectra Precision Focus 30 - Horizontal Drive adjustment (for adjustable drive only)

Chapter 6
Adjustment and Verification
Focus 30/35 Service Manual 6 - 126 P/N 79000035_SM, Version 1.5
Horizontal Drive adjustment (for adjustable drive only)
The aim of the adjustment is to minimize the oscillation of the drive system. Therefore, one has to
Fig. 6-100 Adjusting the gap Hz
5 Checking the gap. A. Check the gap again
(go side). It should fit
in the gap slightly.
B. Check the gap with
the other end (no go
side). It should not fit
in the gap, so the gap
is in between a
position of 2,3mm
and 3,2mm.
Tolerance:
gap >2,3mm
Tolerance:
gap <3,2mm
Fig. 6-101 Checking the gap
Item Performance Action Result Notes
drill hole
gap between
2,3mm....3,2mm
3,2mm
2,3mm
lever arm index
Adjustment
screw
Lever arm adjustment
tool Hz
Opening
alhidade
gap
A
Lever arm adjustment
tool Hz
B
B
C
gap between
2,3mm...3,2mm
3,2mm
2,3mm
lever arm index
3,2mm
2,3mm
A
B