Spectra Precision Focus 30 Service Manual

Chapter 5
Maintenance and Repair
Focus 30/35 Service Manual 5 - 102 P/N 79000035_SM, Version 1.5
6 Assembly Coarse
drive V and Fine drive
V.
A. Mount the Coarse
drive V, Fine
drive V and
Extension spring
in reverse order
see Fig. 5-74 on
page 5-97 .
B. Check the
position of Fine
drive to Coarse
drive arm and
tighten the three
screws to fix the
Fine drive.
C. Shift the holder in
direction to the
alhidade and
tighten the three
screws of Coarse
drive V until you
find the first
resistant.
D. Remount the
Extension spring.
E. Connect the three
cables to the MCB
board through the
cable holders.
F. Release the
compression
spring by turning
the worm screw
counter
clockwise.
G. Plug out the
Clamping tool.See
Fig. 5-77 on page
1-100
Be careful with the
signal index and the
light barriers.
The Extension gear
has to fit to the teeth
of the pinion drive
without any power
or tension.
Turn the telescope
carefully to check a
smooth run of the
gears.
The spring end
shows to the MCB
board.
The compression
spring expands and
pushes against the
alhidade.
Please check the
Fine drive pin
position parallel to
trunnion axis.
Torx T8
60Ncm/5,31Lbfin
Torx T20, Screw
driver flat
100Ncm/8,85 lbfin
Lock the screw
visible 1mm out of
the holder with
lacquer.
Item Performance Action Result Notes

Spectra Precision Focus 30 Specifications

General

Brand	Spectra Precision
Model	Focus 30
Category	Measuring Instruments
Language	English