Needle Clearance To Hook - Singer Futura Quartet FQ-4 Service Manual

20. Needle clearance to hook

Check
1. Always check "14. Parallelity of needle bar swing" before any check of "Needle clearnce to hook" is done.
2. Remove needle plate and bobbin case.
3. Turn on machine and Select stitch number 33 to 36. Set Zigzag width to the maximum of 7mm
4. Turn the hand wheel and check so the needle clearance to hook at both left and right side of needle posi-
tions are within 0.05 to 0.15 mm.
Adjustment
1. Always check "14. Parallelity of needle bar swing" before any adjustment is done.
2. Remove needle plate, bobbin case and face cover.
3. Turn on machine and Select stitch number 33 to 36. Set Zigzag width to the maximum of 7mm
4. Turn screw (A) for support shaft and adjust needle position until the correct needle clearance is obtanied.
- To decrease clearance, turn screw (A) to clock wise..
- To increase clearance , turn screw (A) to counter clock wise. .
5. Re-check to see so the needle clearance to hook is within 0.05 to 0.15 mm.
0.05~0.15 mm
0.05~0.15 mm
Right Zigzag position
Left Zigzag position
Hook
Hook
0.05~0.15 mm
A
Singer Futura XL-400 , FQ-4 25