[!]
TENSION RELEASE ADJUSTMENT
Tens
ion
discs are closed
0
Approx. 0.5 mm
Greater than 0.8 mm
1 • When the presser
foot
is raised
with
the presser bar
lifter
lever
1) Check the presser
foot
height. Refer to page
32.
2) Check that the thread tension disc 8 is open
0.8
mm when the presser
foot
is raised 7
mm
with the presser bar lifter
lever
0.
3) Turn the tension release lever 0 to adjust the tension disc gap
8.
2. During thread cutting
1) The tension release crank 0 to presser bar lifter 8 gap should be 1.5 mm when the tension release is not operating.
2) Loosen nut
0.
remove screw
f).
and adjust
with
the link
0.
Ill
Insufficient
tenison
disc
gap
• The thread will
be
held too tightly and will not pass smoothly
through
the disc.
Ill
Excessive
tension
disc
gap
• Improper stitch tightening
• Loose stitches will appear
at
the corners
with
thread cutter sewing machines.
-34-
From the library of: Superior Sewing Machine & Supply LLC
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