Adjusting The Position Of The Looper Thread Guide Plate And The Inclination Of The Counter Knife (S/R Types) - JUKI MEB-3200 Engineer's Manual

(17) Adjusting the position of the looper thread guide plate and the inclination of the
counter knife (S/R types)
(Position of the looper thread guide plate)
When turning moving knife 3 in the direction of the arrow mark A, the slot end corner on the lower
side of moving knife 3 is aligned with the corner section on the lower side of looper thread guide plate
1. In addition, the top end section of looper thread guide plate 1 smoothly slides the periphery of
moving knife 3.
(Inclination of the counter knife)
Turn moving knife 3 in the direction of the arrow mark A, and adjust the counter knife so that there is
no clearance in the engagement section and they come in uniform contact with each other before or
after the corner of the blade of moving knife 3 is aligned with the top end of counter knife 4 (thread
trimming).
(Moving knife pin)
Make moving knife pin 5 protrude 1.8 to 2 mm in the direction of the rear face of moving knife 3.
Remove from looper thread clamp 7 the looper thread of sewing start which has flied to the lower
side of moving knife 3 and make the thread free from being cut by moving knife 3.
(Caution) Be careful not to touch your hands or the like to the protruding moving knife pin 5
during operation.
Engagement
section
Standard Adjustment
7
6
凸
2
4
5
3
4
3
Blade
1
section
A
7
8
1
To align
corners
8
36
− −
B
3
5
B