JUKI MO-6804D - Page 55

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4) The correct direction of rotation of the sewing
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
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to the table shown below for the size of pulley ❽
and the sewing speed.
(The above applies to both the machine with ta-
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one.)
5) Then, close belt cover ❾. Tighten screws.
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10ｍｍ
Sewing speed
(sti/min)
Motor pulley Diameter (mm) / V belt (in inches)
60 Hz 50 Hz
4,500 70 / 33 85 / 33
5,000 80 / 33 95 / 34
5,500 85 / 33 105 / 35
6,000 95 / 34 115 / 36
6,500 100 / 35 125 / 38
7,000 110 / 36 135 / 39
❾
❼
❽