JUKI MS-1261M - 16. POSITION OF THE INTERMEDIATE THREAD TENSION RELEASING LEVER AND THREAD GUIDE OF THE NEEDLE THREAD TENSION CONTROLLER; Intermediate Tension Lever and Thread Guide Positioning; 17. MOTOR PULLEY AND SEWING SPEED; Motor Pulley and Sewing Speed Specifications

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ENGLISH
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.
16. POSITION OF THE INTERMEDIATE THREAD TENSION RELEASING LEVER
AND THREAD GUIDE OF THE NEEDLE THREAD TENSION CONTROLLER
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-1261
MS-1261M
3,600 sti/min
67.4mm 2
50Hz 2,860 rpm 85mm
60Hz 3,430 rpm 70mm
3,000 sti/min
50Hz 2,860 rpm 70mm
60Hz 3,430 rpm 60mm
The relation among the motor pulley, the sewing speed of sewing machine is as shown in the table below:
17. MOTOR PULLEY AND SEWING SPEED