Adjusting The Looper - JUKI MF-7524 Instruction Manual

7. Adjusting the looper

WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
3.5 mm
❻
❼
❹
❺
[Lateral position]
Clearance between looper ❶ and the center of right
❶
needle (looper return amount) is 3.5 mm.
Loosen clamp screw ❷ and adjust looper supporting arm
❸ to the right and left.
❶
❸
❷
[Longitudinal position]
Adjust so that the clearance between blade point ❺ of
❽
the looper and left medium needle ❹ is 0 to 0.05 mm
when the top end of looper passes 4 needles from the
right extreme point.
Turn adjusting screw ❼ to adjust the longitudinal position.
Turn clockwiseto move the looper supporting arm to the
rear side and counterclockwise to move it to the front side.
❺
After the adjustment, tighten clamp screw ❷ to fix the
looper.
* The blade point ❺ of the looper comes in contact with
the right-hand needle ❽ when rear needle guard ❻
does not work. So, be careful.
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