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Leatherwork
®
Guidebook
| 46
Adjusting the Left-Right Positioning of the Shuttle Gib Hook
Make a mark on the Shuttle Race Guide Shaft (
A
) 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 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 deflecting the needle (
52
)�
3� With the clamp gap (
B
) and reference
mark on the Shuttle Race Guide Shaft (
A
)
aligned, hold the clamp (
F
) to the far left
firmly 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:
2� 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�
3� Move the assembly (
D
) to position the
hook as close to the needle (
E
) as possible
without deflecting the needle (
52
)�
4� 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�
5� 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�
6� 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
)�
50
51
52
B
A
D
H
C
G
F
E
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� 47)�
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