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Leatherwork Timing
Check the Needle Bar Height
1� Check that the needle is installed properly
(p� 8)�
2� Remove the left end cover of the sewing
machine as shown (
46
) and on p� 49 (
13
)�
3� Manually lower the needle bar to its lowest
position by turning the balance wheel
toward you�
4� We mark the proper height of the needle
bar for your machine by putting a score on
the needle bar� Check to see if the mark
is level with the top surface of the upper
needle bar guide (
A
)�
If aligned properly, the needle bar is
set correctly� Proceed to check the
rotational timing (p� 41)� If not, continue
to adjust the needle bar height�
Adjust the Needle Bar Height
1� Manually operate the machine to move the
needle bar to the bottom of its stroke (all
the way down)�
2� Unlock the needle bar from the drive collar
(
B
) by loosening the set screw that can be
accessed through a hole in the machine
casting (
D
)� Use a 2�5mm hex key to
loosen�
3� With the needle bar at the bottom of its
stroke, reposition the needle bar so the
score on the needle bar lines up with the
top surface of the upper needle bar guide
(
A
)� Gently twist the needle bar up or down
to position the mark, making sure the screw
that secures the needle is facing the inside
of the sewing machine arm (
E
)� Tighten the
drive collar set screw very tightly� Ensure
needle is properly oriented after adjustment
(p� 27)
If your Leatherwork is still not
performing properly after adjusting the
needle bar height, proceed to check the
rotational timing (p� 41)�
≈ 5/8"
D
E
46
B
A
D
B
Leatherwork
®
Guidebook
| 40
Содержание Leatherwork
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