Du Pont SORVALL RC-5 Service Manual page 144

Maintenance
&
Repair
Sorvall®
Centrifuges6.
Replace
the front cabinet
panel.7.
Calibrate
in
accordance
with Table
7-1.6-5.
Torque
Trimmer Potentiometer
R204
Replacementa.
Removal1.
Set
main circuit breaker to
OFF.2.
Unplug
the
power cord
from
socket.3.
Remove
the
rear cabinet
panel.4.
Tag.
then
unsolder,
the
wires
to
torque trimmer
potentiometer
R204.5.
Remove
the
hex mounting nuts and the
torque
trimmer
potentiometer.Figure
6-8.
Torque Trimmer Potentiometer
Removalb.
Installation1.
Secure potentiometer
R204 with the hex
nuts.2.
Solder the
tagged
wires to the correct
terminals.3.
Adjust
potentiometer
R204
for
maximum current
draw.4.
Reinstall
the
rear
cabinet
panel.5.
Calibrate
in accordance
with Table
7-1.6-6