Spectra Precision Focus 30 - Vertical servo drive unit; Disassembly Vertical servo drive unit - nonadjustable version

Chapter 5
Maintenance and Repair
Focus 30/35 Service Manual 5 - 80 P/N 79000035_SM, Version 1.5
Vertical servo drive unit
There are two versions of Vertical servo drive unit in the instruments series. A nonadjustable version
(first 50 instruments) and an adjustable version (running series) exists. Three fixing screws on the
Coarse drive is an attribute to identify the adjustable version.
The adjustable Coarse drive version could be equiped with the divided lever arm from Q1-2012.
• Disassembly Vertical servo drive unit - nonadjustable version
• Assembly Vertical servo drive unit - nonadjustable version
• Disassembly Vertical servo drive unit - adjustable version
• Assembly Vertical servo drive unit - adjustable version
• Disassembly / assembly divided Coarse drive lever arm
Tools and equipment
Disassembly Vertical servo drive unit - nonadjustable version
Performance
Description Part number
Torx T8 bit Local tool
Torx T20 bit Local tool
Screw driver flat Local tool
Torque wrench 120 Ncm T71600280
Vertical gear-wheel clamping tool 79293035
Universal slot wrench 7000000117711
Item Performance Action Result Notes
1 Remove Side cover
right.
see page 5-27
2 Clamp the Tension
gear.
A. Turn the vertical axis
to see the hole on
Tension gear V. see
Fig. 5-61 on page 5-
81 .
B. Plug the Clamping
tool V in the hole to
fix the tension of the
Tension gear.
The preload of
the Tension gear
is fixed, in case
the Coarse drive
V has to be
exchanged only.