Singer Futura XL-550 Service Manual page 42

1. Remove screw (K) and outer pipe (J).
K
2. Pull down the threading lever to its lowest position.
Check and see if hook protrudes approx. 1.5mm from needle.
~1.5 mm
3. Loosen nut (F) under threader support shaft and turn hook portion (G)
in either way for adjustment. Tighten the nut (F) securely after adjustment.
G
F
4 Reassemble outer pipe (J) to correct position.
K
5. After checking hook position, adjust position of
outer pipe (J) so that there may be a clearance 0.4 to
~0.4-0.6
0.6 mm between screw (K) and bottom of long hole.
L
6. Position of twin thread guide and hook is shown below with threading lever
lowered.
42 Singer Furura XL-550