Spectra Precision FOCUS 35 - Page 219

Chapter 5
Maintenance and Repair
P/N 79000035_SM, Version 1.5 5 - 89 Focus 30/35 Service Manual
Fig. 5-68 Correct position of Slider contacts
5 Assembly Coarse
drive V and Fine drive
V.
A. Mount the Coarse
drive V, Fine
drive V and
tension spring in
reverse order see
Fig. 5-64 on page
5-85 .
B. Be careful
plugging in the
axis of Coarse
drive in the ball
bearing.
C. Push the holder
down and left
against the stops
and tighten the
two screws.
D. Check the
position of Fine
drive to Coarse
drive arm and
tighten the two
screws.
E. Plug out the
Clamping tool see
Fig. 5-69 on page
5-90 .
Be careful with the
signal index and the
light barriers.
The Tension gear
has to fit to the teeth
of the pinion
without any power
or tension.
Turn the telescope
carefully to check a
smooth run of the
gears.
Please check the
Fine drive pin
position parallel to
trunnion axis.
100Ncm/8,85 lbfin
100Ncm/8,85 lbfin
Item Performance Action Result Notes