Labnet Spectrafuge 16M, Руководство по обслуживанию, Страница: 9 / 28

Section 4
9) Adjust the low speed pot (front-most) so that the rotor
speed measures 1,000rpm, plus or minus 100rpm on
the tachometer.
10) Replace the metal chute
The unit is now calibrated.
SERVICE PROCEDURES
Take care when performing the following service procedures. Always disconnect the unit from power
source before attempting any service operations.
Removing Upper Casing Shell 1) Remove rotor as outlined in the rotor section.
2) Remove the 4 phillips head screws that secure the
upper casing shell to the baseplate. (See figure #1, pg
12 for exact location of screws.)
3) Lift the upper casing shell upward until it is clear of the
motor. Lay the upper casing on its side to the right of
the baseplate.
5) For reinstallation, reverse the above procedures.
Always disconnect centrifuge from power source before
attempting any service procedures. Failure to do so may
result in electrical shock and serious injury to personnel.
MOTOR
The motor used in the manufacture of this centrifuge is a brushless, DC motor. This motor requires no
routine maintenance and is virtually problem free. Most operational problems will be attributable to the
circuit board rather than the motor.
Replacing motor assembly If it has been determined that the motor should be re-
placed, the following instructions should be followed.
Tools required: Phillips screwdriver
Nut driver (11/32") or small
adjustable wrench
1) Remove the upper casing shell as previously described.
Remove the metal chute as described in the speed
calibration section.
7
CAUTION