Chapter 6
Adjustment and Verification
P/N 79000035_SM, Version 1.5 6 - 127 Focus 30/35 Service Manual
adjust an optimized axle distance between the pinion and the Tension gear. First, to determine the
reference position the excentricity of Tension gear must be measured. From this position the pinion
is moved stepwise. The corresponding angles are measured and the step angle errors are recognized
and with the adjustment procedure minimized.
Performance
Item Performance Action Result Notes
1 Precondition. Unscrew the Servo side
cover and mount it with
the support bar on the
alhidade.see page 5-27
The vertical and
horizontal
adjusting screw
is visible.
Holder side cover
79298035
Fig. 6-102 Servo side cover with support bar
2 Start up instrument /
PASS.
See page 7-3 how to set-
up the instrument.
3 Precondition. After Coarse drive
replacement see
“Disassembly / assembly
Horizontal servo drive
unit - adjustable version”
on page 5-107. check that
the pinion and tension
gear are in contact.
The instrument
should run
smoothly. If not,
turn the
adjustment
screw 1/2 turn
counter
clockwise.
4 Start the software. Select
Gearbox adjustment
from
Servo & angle unit in
Maintenance & Service and
press
Run operation.
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