Instruction manual

-10-
22. MOTOR PULLEYS AND BELTS
1) A clutch motor with 400W output (1/2 HP) is used as the standard motor
2) An M-type V belt should be used.
3) The relationship between the motor pulleys, belt lengths and sewing speeds is shown in the
following table:
* The effective diameter of a motor pulley is equivalent to the outside diameter minus 5 mm.
* The motor should rotate counterclockwise as observed from the handwheel side.
Be careful not to allow the motor to rotate in reverse direction.
Motor pulley O.D.
(mm)
125
120
115
110
105
100
95
90
85
80
75
70
Motor pulley part No.
GE1007
GE1008
GE1009
GE10010
GE10011
GE10012
GE10013
GE10014
GE10015
GE10016
GE10017
GE10018
Sewing speed ( rpm )
50 Hz 60 Hz
5,060
4,850
4,630
4,440
4,250
4,000
3,820
3,610
3,390
3,160
2,950
2,740
5,040
4,780
4,540
4,320
4,000
3,790
3,520
3,260
Belt length Belt part No.
1118 mm (44 )
1092 mm (43 )
1067 mm (42 )
1041 mm (41
)
GE1003
GE1004
GE1005
GE1006