5
Zigzag Sewing Machine | Instruction Manual and Parts List
2.3
Motor,
Motor Pulley
and V-Belt
Specifications
1/3 HP (250W) 4-pole (low speed) clutch motor
M type v-belt
Table 2 – Machine Speed vs. Motor Pulley Diameter
20U-109 /109C 20U-112 / 112C 20U-309 20E-910 50 Hz 60 Hz
2,500 - 2,500 - 130 105
2,000 2,000 2,000 2,000 105 85
1,800 1,800 1,800 1,800 90 75
1,500 1,500 1,500 1,500 80 65
Motor Pulley Diameter
[mm]
Machine Speed
[spm]
2.4
Relationship
between
Zigzag Bight
and Maximum
Speed
Table 3 - Relationship between Zigzag Bight and Maximum Speed.
Machine Class 20E-910
Zigzag bight 0 ~ 5.0 mm 5.0 ~ 9.0 mm 0 ~ 5.0 mm 5.0 ~ 12.0 mm 0 ~ 9.0 mm
Max. speed 2,500 rpm 2,000 rpm 2,000 rpm 1,800 rpm 2,000 rpm
20U-109 / 109C / 309 20U-112 / 112C
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