Spectra Precision Focus 30 Service Manual

Chapter 5
Maintenance and Repair
P/N 79000035_SM, Version 1.5 5 - 99 Focus 30/35 Service Manual
Assembly Vertical servo drive unit - adjustable version
Performance
Fig. 5-76 Remove Tension gear V
Item Performance Action Result Notes
1 Mount Tension gear
V.
Mount Tension gear in
reverse order, see Fig.
5-76 on page 5-99 and
tight very strong the
Retainer ring.
500Ncm/44,42Lbfin
estimated value.
Note: The touching areas of the two cogwheels are greased with HF 500. The grease is very
ductile. The sparepart Tension gear Hz/V (79226035) is greased with HF 500. In this case follow
item 2 with distortion of one tooth.
Only some old instruments can have weake grease between the two cogwheels and the distortion
of the cogwheels is 3 teeth. In this case follow item 2 but with distortion of three teeth. Otherwise
you can exchange the Tension gear Hz/V (79226035).
Item Performance Action Result Notes
A
B
C
D

Spectra Precision Focus 30 Specifications

General

Brand	Spectra Precision
Model	Focus 30
Category	Measuring Instruments
Language	English