Check the Left-Right Positioning
of the Shuttle Gib Hook
If the shuttle assembly and lower shaft have slipped left or
right of the factory setting, the shuttle gib hook will not be
in position to catch the thread loop� Fortunately, this is an
adjustment that rarely requires attention.
1� If not already, install the gib hook (p� 36, D)�
2� Make sure you have a #20 needle installed�
3� Remove the needle plate (p� 55, 17) and feed dog
(p� 61, 18)�
4� Looking from the top down into the machine, slowly
rotate the balance wheel� As the gib hook (A)
swings past the needle, the hook should be as close
as possible to the right side of the needle without
deecting it (B)�
If the gap between the needle and the hook is too
large, the hook must be moved to the left to close the
gap� See p� 51 to make adjustment�
If the needle is being deected by the hook, then the
hook must be moved to the right� See p� 51 to make
adjustment�
69
B
A
> For the sake of clarity, (69) shows the machine without the retaining ring installed� While this makes it easier to see
the timing, the hook must be held in place with light nger pressure to keep it from falling out of the shuttle assembly
when rotating the balance wheel�
69
49 | Sailrite�com Ultrafeed
®
LS Guidebook | 50
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