IBM 4247 Maintenance Information page 254

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Note: Allow the ribbon lift motor to cool before taking resistance measurements.
Table 38. Ribbon Lift Motor Resistance
Pins
Resistance
1 and 2
150 Ohm ±10%
3 and 4
150 Ohm ±10%
Temperature
25°C (77°F)
25°C (77°F)
Chapter 3. Circuit Diagrams
254

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