Du Pont SORVALL RC-5 Service Manual page 136

P/N: 50589-3
INSTRUCTIONS
RC-5B / RC-5C Preventative Maintenance Kit
(Kit Catalog No. 12010)
3. Check the NO ROTOR indicator. (Diagnostic 6).
a. Close the chamber door.
b. Press the START switch.
c. Verify that the NO ROTOR indicator. (Diagnostic 6), lights and the
centrifuge shuts off
4. Open the chamber door and install an SS-34 rotor (any other available
rotor could be used).
5. Close the chamber door.
6. Set up the centrifuge as follows:
a. Set the TEMP °C RUN switches to 04 and TEMP °C MAX switch-
es to 20.
b. Set the SPEED RPM switches to 10 000.
c. The TIME HRS and MIN switches have no specific setting.
d. Set the ROTOR CODE to 05 for an SS-34 rotor (other codes may
be used to match the rotor that is used).
e. Set the OFF/ARC and the OFF/∫
f. Set the TIMED/HOLD switch to HOLD and the OFF/BRAKE
switch to BRAKE.
g. Set the key switch to NORMAL.
h. Press the START switch. Record the time the START switch was
pressed.
7. Verify that the HOLD advisory message lights and that at zero speed
the ROTOR CODE advisory message lights and flashes for approxi-
mately 5 seconds.
8. Verify that after 5 minutes the temperature has stabilized at the preset
run temperature +1°C.
9. Check the maximum motor current and the maximum speed as fol-
lows:
a. After the temperature has stabilized at 4°C for 5 minutes, set the
SPEED RPM switches to 20 000 or the maximum allowable speed
for the rotor in use, refer to Rotor Table.
for the
2 dt switches to OFF.
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