Singer 7464 - Clearance Between Needle and Shuttle; Needle-Shuttle Clearance Checking; Needle-Shuttle Clearance Adjustment

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Sec. 6 Clearance between needle and shuttle
Note: Make this checking before checking “Needle timing to shuttle”
Checking:
1.
Remove needle plate, bobbin case and face cover.
2. Set test mode at 1.
3. 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 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