JUKI LZ-2290 Series - Initial Position of the Moving Knife

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(25) Initial position of the moving knife
Standard Adjustment
(26) Timing of the thread trimming cam
Standard Adjustment
™ Moving knife pin 1 should be aligned with marker dot 2.
™ Acceptable range of the position of moving knife is as wide as the marker dot.
(See the figure shown above.)
™ Press roller arm 6 until roller 4 fits in the groove in thread trimming cam 8. Now, lightly turn the
main shaft handwheel carefully in the reverse direction until it stops. At this time, the marker dot
engraved on the machine arm should be aligned with the red marker dot engraved on the handwheel.
Adjust the thread trimming cam longitudinally within the width of a dot.
(Rearmose)
Latch
(Frontmost)
Moving knife
pin 1
Marker dot 2
Marker dot
Nut 3
Roller arm 6
Knife driving arm 7
Cam 8
Roller 4
Screw 5
Machine arm Width
of adjustment