Disengaging The Upper Knife; Adjusting The Seam Width - Pfaff Hobbylock 784 Instruction Manual

*
cA
—
fl\
Disengaging the upper knife
Remove lint box 8. Open work support 12
and looper cover 10. If necessary,
loosen screw 38 for axial upper knife
blocking.
Push rotary lever 27 of the axial upper
knife guide fully to the right, hold it, and
turn it forwards until pin A engages in
the hole of the knife. Now the upper
knife is disengaged.
Adjusting the seam width
The standard seam width setting is
marked with N (3.5 mm).
Disengage the upper knife according to
the above description.
The desired seam width is set with
adjusting knob 26. The scale on the seam-
width adjustment knob ranges from
2.5 to 5.
Set the upper knife at its basic position
again and close the looper cover.
When processing thick fabrics, securely
tighten screw 38 for blocking the upper
knife, see page 14,
Sew a test seam.
Note:
After adjusting the seam width, it may
be necessary to re-adjust the thread
tension.
c
21