Sorvall RT/T6000D - Page 85

Repair
and Replacement
SORVALL®
Centrifuges
Figure
5-19.
Drive
Assembly
6.
Remove
the
three
mounting
screws (5)
with lockwashers
from the
gyro
assembly
(1).
7.
Centrifuges
with
Serial
Number
8601093
and lower
ONLY:
remove
the
nut (7)
securing
the
Imbalance detector to
the imbalance detector bracket
(6).
8.
Remove
the
gyro
and disconnect
the
electrical connections
to
the
motor.
Remove
the
screw
that
holds the
ground
wire
(ground
wire remains
attached
to base).
9.
Remove
the nut
(19).
metal washers
(20),
spring
(21),
and
nylon
washers
(22)
from
the three
motor
mounting
studs
(18).
10.
Remove
the
motor,
with
mounting plate
(11)
attached,
from
the
centrifuge.
11.
Remove
and discard
the drive
belt
(9)
located under
the drive
plate.
c.
Drive
Pulley
and
Belt
Replacement
NOTE
All
numbers
in
parentheses
refer
to
figure
5-19.
1.
Scribe
a
mark
on
the end
bell (13) and the
motor
mounting
plate
(11)
to ensure
proper
orientation
for
reassembly,
then
remove
the
three
screws
and mounting
plate.
2.
Remove
and
replace
the
motor
and
gyro
double
groove
drive
pulleys
as
follows
(see
figure
5-8
for
pulley
Identification):
5-42