Parallelity Of Needle Bar Swing - Singer Futura XL-550 Service Manual

18.Parallelity of needle bar swing

Check
1. Set machine at test mode and select mode 2 - needle at L/C/R positions.
2. Remove needle plate and bobbin case.
3. Turn the hand wheel and check that the needle clearance to hook at both left and right sides of needle
positions is even. See Illustration.
NOTE! If distance left and right sides of needle positions are evan, but the distance between needle and hook
is to close or to wide, re-set "16. Needle clearance to hook".
Needle
Adjustment
1. Remove needle plate, bobbin case and face cover.
2. Set machine at test mode and select mode 2 for needle at L/C/R positions.
3. Loosen the set screw (A) on the needle bar unit, see illustrated below.
4. Adjust by moving shifting bracket (B).
- If needle touches the hook at left side, move the shifting bracket (B) to the right.
- If needle touches the hooks at right side, move the shifting bracket (B) to the left.
5. Tighten the set screw (A) fi rmly
6. Turn the hand wheel and check needle clearance to hook at both left and right sides of needle positions is
even.
NOTE! This setting infl uences"16. Needle clearance to hook"
B
A
Singer Furura XL-550 23