– 9 –
Model
Number of revolution
of sewing machine
Effective
diameter of
handwheel
Number of
poles of motor
Frequency.
Number of
revolution of
motor
Effective diameter
of motor pulley
MS-1190
MS-1190M
4,000 sti/min
67.4mm 2
50Hz 2,865 rpm 95mm
60Hz 3,430 rpm 80mm
3,600 sti/min
50Hz 2,865 rpm 85mm
60Hz 3,430 rpm 70mm
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following
work after turning the power off and ascertaining that the motor is at rest.
15. ADJUSTING THE INTERMEDIATE THREAD GUIDE (MS-1190M)
The relation among the motor pulley, the sewing speed of sewing machine is as shown in the table below:
16. MOTOR PULLEY AND SEWING SPEED
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