Singer 321K Sewing Machine User Manual


 
2.3
Motor,
Motor Pulley
and V-Belt
Specifications
½ HP 2-pole clutch motor
Motor pulley diameter
M type v-belt
Direct drive servo motor and control system.
2.3.1 For 321D series
2.3.2 For 321K series
Machine Speed
[spm] 50Hz 60Hz
5,500 110 90
6,000 115 95
6,500 130 105
7,000 140 115
7,500 150 125
Motor Pulley Diameter [mm]
Table 2
5
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