Thermo Scientific 4625, Руководство по эксплуатации

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Motor Brushes:
Motor brushes should be checked every three months for
wear. Turn the unit upside down and remove bottom
casting to expose the motor. 2 brushes are located under
plastic caps on opposite sides of the lower part of the
motor. Unscrew the plastic caps and slide the brushes
out. Replace brushes when they are worn down to 3/16"
in length. Always replace both brushes even if only one
brush is worn down.
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AINTENANCE