1Sl. How To Sew - Singer 812U Instruction Manual

5. Presser foot pressure adjustment
(1) Adjust the presser foot pressure with presser foot adjusting serew
fi) .
6. Thread tension
Measure the thread tension as shown at below.
(Needle thread tension)
(Double-chain stitch looper thread tension)
(Looper thread tension)
L
Tension disc
~Tension gauge
J
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Adjust the tension of each thread by referring to the table below. (In grams)
Thread
Double-chain Double-chain Overedge Right hand
Left hand
Fabrics
stitch needle stitch looper needle looper looper
Kind Size thread tension thread tension thread tension thread tension thread tension
Cotton
#80 20 - 50 5- 15
40 -
90
10 -
25 8- 20
Broadcloth
Dacron
#80 15 - 45
5- 10 30 - 80 8- 20
5- 15
Needle=Dacron
#50 <,
Jersey
Looper=Textured nylon yarn 110/2 denier
25 - 60 8- 20 25 - 50 5- 15 8- 20
Gabardine
Cotton
#50
35 - 60
6- 15
50 - 100
7- 20 10 - 30
Denim
Cotton
#30
80 - 110 10 -
20
70 - 150 10 -
25
15 - 30
[Sl. How to sew
(1) Press the push power switch ON.
(2) Depress presser bar lifter pedal
«1>,
plaee a small part of the work under the presser foot, and release the presser bar
lifter pedal.
(3) When treadle fIj)is depressed, the work will be fed and sewn.
(4) After sewing,run the machíne without the work until about 5 or 6 em of thread is out, and eut the trimming knife
fi
by pulling the thread toward yourself.
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