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3. Rotating roller shaft
1) Raise the presser bar lifter.
2) Hold the roller presser foot bracket guide ① as in Figure
45 and move it down and left. Then, there will be some
space to exchange the guage.
3) To restart, hold the roller presser foot bracket guide ①
and turn it to the right direction.
4. Adjusting automatic knee lifter (optional)
First, loosen the solenoid cover fixing screw ①. If the joint
connecting rod ② is moved clockwise, the ascending
amount of the presser foot grows. It falls when turned
counterclockwise. After the adjustment, tighten the fixing
screw ① tightly.
①
② ①
[ Figure 45 ]
[ Figure 46 ]
31
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