10 mm
Motor pulley Diameter (mm) / V belt (in inches)
Sewing speed
(sti/min)
4,500
5,000
5,500
6,000
6,500
7,000
4) The correct direction of rotation of the sewing
❼
❽
5) Then, close belt cover ❾. Tighten screws.
❾
60 Hz
70 / 33
80 / 33
85 / 33
95 / 34
100 / 35
110 / 36
– 5 –
machine is clockwise.
Never allow the machine to rotate in the
reverse direction. If the machine rotates
counterclockwise, the oil pump will fail to
function resulting in seizure.
The best tension of the motor belt ❼ is that the belt
to the table shown below for the size of pulley ❽
and the sewing speed.
(The above applies to both the machine with ta-
one.)
50 Hz
85 / 33
95 / 34
105 / 35
115 / 36
125 / 38
135 / 39