Position Of The Intermediate Thread Tension Releasing Lever And Thread Guide Of The Needle Thread Tension Controller; Motor Pulley And Sewing Speed - JUKI MS-1261 Manual De Instrucciones

16. POSITION OF THE INTERMEDIATE THREAD TENSION RELEASING LEVER
AND THREAD GUIDE OF THE NEEDLE THREAD TENSION CONTROLLER
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.

17. MOTOR PULLEY AND SEWING SPEED

The relation among the motor pulley, the sewing speed of sewing machine is as shown in the table below:
Number of revolution of
Model
MS-1261
MS-1261M
Effective diameter
sewing machine of handwheel
3,600 sti/min
67.4mm
3,000 sti/min
Number of poles
Frequency.
of motor
50Hz
60Hz
2
50Hz
60Hz
– 8 –
Number of Effective diameter
revolution of motor of motor pulley
2,860 rpm 85mm
3,430 rpm 70mm
2,860 rpm 70mm
3,430 rpm 60mm