Sorvall RT/T6000D - Page 278

RT6000D, T6000D, RT6000B,
and
T6000B
SORYALL®
Centrifuges
Centrifuges
Serial
Number
9101800
and Above
19.
Set the
speed
control
knob
to
3200
rpm
setting.
20.
Set the timer control
knob
to
the
"HOLD"
position
to
start
the
centrifuge.
The
rotor
should
begin accelerating
towards
3200
rpm.
NOTE
The
FAULT LED
indicator
on
the
front
console
should illuminate
as
the
rotor accelerates between
500
rpm
and
1000
rpm.
21.
If
the
rotor
speed
exceeds
1500
rpm,
stop
the
run
in
progress by
turning
the
speed
control knob to
off.
22. Readjust
R-146
(revision
1
*
PC
Board)
or
R 120
(revision
2 PC
Board) for
the
lowest
voltage possible between
+0.5
Vdc
and
+4.0
Vdc at test
point
TP-16
(revision
I*
PC
Board)
orTP-14
(revision
2 PC
Board) where the
"fail"
tube and
"reference"
tube
will
continue
to illuminate
the
FAULT
LED.
Note the final threshold
values
on
the
field
service
report.
23. Replace
the
"fail"
tube
with
the
"pass"
tube.
24.
Set the
speed
control
knob to
3200
rpm
setting.
25.
Set the timer
control
knob to the
"HOLD"
position
to
start
the
centrifuge.
The
rotor
should
begin accelerating
towards
3200
rpm.
NOTE
The
FAULT LED
indicator
on
the
front
console
should
not
illuminate
as
the
rotor accelertates between
500
rpm
and
1000
rpm.
26.
If
the
rotor
speed
exceeds
1500
rpm,
stop
the
run
in
progress by
turning
the
speed
control
knob
to
off.
27.
Recheck the
imbalance
and
ensure
that
the
centrifuge
performs correctly
for
both
"pass"
and
'Jail"
conditions.
28. Exchange
both
bucket/carrier/tube
assemblies
with
each other and recheck
again
for
both
"pass"
and
"fail"
conditions.
9-66
Rev-7/^