11
4) Adjustment of belt tension
The machine rotates to the left when seen from the pulley.
To get a proper level of belt tension, turn the nut ② to an
extent at which the belt ① can be bent by 15~20mm when
pressed by hand.
[ Figure 5 ]
①
②
15~20mm
[ Caution ]
Be sure to lift the presser foot when racing the machine.
5) Installation of the knee-lifting device
Fix the knee-lifting device (ass’y) ① under the table ② with
four screws ③.
[ Figure 6 ]
①
②
③
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