Du Pont SORVALL RC-5 Service Manual page 126

P/N: 50589-3
INSTRUCTIONS
RC-5B / RC-5C Preventative Maintenance Kit
(Kit Catalog No. 12010)
Defrosting the rotor chamber:
Defrost the rotor chamber whenever ice build up in the chamber is evident.
1. Connect the power cord to a power supply.
2. Set the main circuit breaker, POWER switch, to ON.
3. Install a rotor in the rotor chamber and close rotor chamber door.
4. Set up centrifuge as follows:
a. Set the run temperature for 25°C and overtemperature for 30°C.
b. Set the run speed for 3000 RPM.
c. Set the centrifuge timer for 5 minutes.
d. Press START switch.
5. When rotor stops, open chamber door and inspect for ice. If chamber
is defrosted, remove rotor and wipe dry. Remove moisture from cham-
ber with a cloth or sponge. If the chamber is not defrosted, repeat step
5.
6. Set main circuit breaker, POWER switch, to OFF.
Rotor Inspection:
1. Inspect all rotors (including swinging bucket rotors) for corrosion and
wear.
2. Inspect bucket bearing surface and rotor trunnion pins for wear. Clean
and lubricate the pins and the underside surfaces of the bucket area that
ride on the pins.
for the
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