6 Singer Quantum Stylist
TM
9960
2. Needle bar height
Check
Note: ALWAYS check ”the Timing of the upper and lower shaft” before checking Needle bar height
Check
1. Remove needle plate and bobbin case.
2. Select straight stitch (center needle position).
3. Replace needle with the special needle gauge.
4. Bring the needle bar into its lower turning position.
6. The distance between the upper end of the needle and the surface
(B) of the hook ring should be 28.50 (+/- 0.05 mm).
5. Check this by push on the tip (B) of the Special needle gauge, and it
should just touch the upper part of hook ring(C).
The check is executed with a gauge which is 28.50 mm
long.
Adjustment
The setting is executed with a gauge which is 28.50
mm long.
1. Remove face cover
2. Bring the needle bar to its highest position, from the
front , loosen set screw (A) and retighten it lightly.
2. Bring the needle bar to its lower turning position.
3. Move the needle bar until the correct distance is obtained, the tip of
needle must be fl ush with hook ring.
4. Tighten set screw (A).
5. Check by means of a twin needle that the needle bar is not twisted, it may cause jump stitches when
sewing with a twin needle.
6. Check to see if needle threader operates correctly
NOTE! This setting affects:
2. Needle threader height
12. Needle timing to shuttle
28.50 mm
A
B
A
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