Page 20/41
Original issue
Oct.2012
Service Manual
One Plus
Model
8. Clearance between needle and shuttle
Note: Set machine at test mode and select mode 1 for needle at L/C/R
positions. Make this checking before checking “Needle timing to shuttle”.
Checking:
1.
Remove needle plate, bobbin case and face cover.
2. Shift shuttle hook at the rear of needle by turning hand wheel.
Check to see if needle clearance to shuttle is within 0.05 to 0.15 mm.
Adjustment:
1. Turn screw (A) to either direction as illustrated and adjust needle position by moving
support shaft back and forth.
To decrease clearance, turn screw to counter-clockwise.
Shuttle
0.05～0.15ｍｍ 0.05～0.15ｍｍ
At left position
At right position
0.05～0.15ｍｍ
At left position At right position
A
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