Du Pont SORVALL RC-5 Service Manual page 152

Maintenance
&
Repair
Sorvall®
Centrifugesb.
Installation1.
Install
the
component.2.
Reconnect
the
wires.3.
Install the capacitor box
cover.6-10.
Condenser Fan
Replacementa.
Removal1.
Set main circuit breaker to
OFF.2.
Unplug
the
power
cord from
socket.3.
Remove the rear cabinet
panel.4.
Remove
the
four
bolts
securing
the fan motor and bracket to the
condensing
assem¬bly
deck.5.
Move the motor and bracket
away
from
the evaporator
fins.6.
Mark orientation
of
fan on
the
motor shaft. Loosen
the
setscrew on
the fan and
re¬move
the fan from the motor
shaft.b.
Installation1.
Vacuum all dust accumulation
from the
evaporator
fins.2.
If
a used fan is to
be installed, check the blades and
adjust
them in accordance
withFigure
6-17.3.
Orient the fan
on
the motor
shaft
(see removal
step
6) and secure
the
fan
by
tighten¬ing
the
setscrew on
the flat surface of the
motor shaft, making sure
that the
sur¬faces
of the
motor
shaft and fan
hub
are
flush.4.
Secure the motor bracket to
the
condenser assembly deck
with the
four
bolts.5.
Reinstall the
rear
cabinet
panel.6-14