Du Pont SORVALL RC-5 Service Manual page 133

P/N: 50589-3
INSTRUCTIONS
RC-5B / RC-5C Preventative Maintenance Kit
(Kit Catalog No. 12010)
4. Check that the centrifuge does not start with the chamber door open as
follows:
a. Set up the centrifuge as follows:
1) Set the temperature to 4°C.
2) Set speed to 3000 RPM.
3) Set the timer to 5 minutes.
b. Press the START switch. Insure that the centrifuge does not start .
5. Close the cenrifuge door and repeat step #4, the centrifuge should start.
6. Set the main circuit breaker, POWER switch, to OFF.
7. Lubricate the door latch by placing a few drops of oil on the locking
bolt.
Electronic Checks:
Display & indicator checks RC-5B:
1. Turn the main circuit breaker, POWER switch, to ON. Watch the front
control panel and make sure the correct lights function:
a. Power light.
b. Door light (zero speed)
c. Speed meter at 0 rpm
d. Temperature meter indicating the centrifuge chamber temperature
(ambient).
Display & indicator checks RC-5C:
The LEDs, advisory messages, and diagnostic indicators on the front con-
trol panel should be tested daily during start up. Each LED digit has seven
segments: if even one segment does not work, an incorrect reading can be
displayed.
for the
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