5) correct thread tensions for 3-thread flatlock – SINGER 14U52 User Manual

Page 19

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(5) Correct thread tensions for 3-thread flatlock.

Be sure the threads are correctly threaded otherwise

proper tension cannot be obtained.

Set each tension dial to settings shown below and test sew on a sample of your fabric.

• When using right needle for sewing normal width overedge seams, be sure to remove left needle.

Fabric

Tension Dial

Blue

Green Orange Yellow

Light weight

0.5

5.0

8.0

Medium weight

0.5

5.0

8.5

Heavy weight

1.0

6.0

9.0

When using left needle for sewing wide

overedge seams, bu sure to remove right

needle.

Fabric

Tension Dial

Blue

Green Orange Y ellow

Light weight

0.5

3.0

8.0

Medium weight

0.5

3.5

8.0

Heavy weight

0.5

3.0

8.0

Adjust thread tensions to suit your fabric making reference to table below. Make adjustments in

increments of no greater than half a number at a time.

When left looper thread is too
loose.

Right looper

thread

Topside

Needle

thread

\

Left looper

thread

Turn left looper thread ten­
sion dial (yellow) toward the

(+) mark.
Or, needle thread tension dial

(blue or green) toward the (—)

mark.

When right looper thread is
too loose.

Right looper

thread

Topside

Needle

thread

Left looper

thread

Underside

Turn right looper thread ten­
sion dial (orange) toward the

(+) mark.

Or, turn needle thread tension

dial (blue or green) toward the

(—) mark.

When needle thread is too ^
loose.

Topside

Right looper

thread

Needle

thread

\

Left looper

thread

. Underside

Turn needle thread tension
dial (blue or green) toward the

(-f-) mark.

Or, turn right looper thread

tension dial (orange) toward
the (—) mark.

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