1 o replacing the cutting knives, Replacing the cutting knives – SINGER 10UJ13 User Manual
Page 18
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
1 O REPLACING THE CUTTING KNIVES
The knife should be changed only after removing
the plug from the electric power source.
(1) The upper knife may be changed after
loosening the upper knife set screw and the
lower knife may be changed after loosening
the lower knife holder set screw and the
lower knife set screw as shown in Figure 47.
(
2
)
(3)
The position of the lower knife must be
arranged in such a way that it can be set in
the indentation for the knife in the throat
plate as shown in Figure 48.
The normal position for setting the upper
knife can be determined when the upper
knife reaches its lowest point during opera
tion. The front tip of the cutting edge of the
upper knife should be about 0.5—1.0 mm
below the surface of the tip of the cutting
1 5