Adjusting the Left-Right Positioning of the Shuttle Gib Hook
Make a mark (A) on the shuttle race guide shaft where the halves of the compressible clamp meet (B)� If the shaft should
accidentally rotate, realign the mark with the clamp gap�
To move the hook closer to
the needle:
1� Incrementally loosen the screw (C) until light taps will
move the shuttle assembly� Carefully move the shuttle
assembly (D) to the left�
2� Move the assembly (D) to position the hook as close to
the needle (E) as possible without deecting the needle.
3� With the clamp gap (B) and reference mark (A) on the
shuttle race guide shaft aligned, hold the clamp (F) to
the far left rmly against the cast iron foot and tighten its
screw (C)�
4� Holding the shuttle assembly (D) in place, loosen the
right collar (G) and move it as far right as possible, just
resting on the frame� Tighten the two collar screws�
There should be practically no side-to-side play in the
center shaft (H)�
To move the hook away from
the needle:
1� Loosen the two screws in the right collar (G) and move it
to the left on its shaft and move the shuttle assembly (D)
to the right�
2� Move the assembly (D) to position the hook as close to
the needle (E) as possible without deecting the needle.
3� Holding the correct position of the shaft, move the right
collar (G) as far right as possible, just resting on the
frame, and tighten its screws�
4� Holding the shuttle assembly (D) in place, loosen screw
(C) and move the clamp (F) all the way to the left against
the cast iron foot�
5� With the clamp gap (B) and reference mark (A) aligned,
tighten the clamp screw (C)� There should be practically
no side-to-side play in the shaft (H)�
After adjusting/verifying the correct left-right position of the shuttle gib hook, proceed to check the rotational
positioning of the shuttle race guide shaft (p� 53)�
70
71
72
B
A
D
H
C
G
F
E
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LS Guidebook | 52
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