Inserting the bobbin case, Removing the bobbin case, Threading the bobbin case – SINGER W217 User Manual

Page 6: Adjusting the bobbin tension

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THREADING THE BOBBIN

CASE

Hold the bobbin cose between the thumb

Old forefinger of the left hcnd with the

slot focing upword. With 3 or 4 inches

of thread trolling in the pdm, hold the

bobbin between the thumb end first two

fingers of the right hend. (Fig. 6)

Insert the bobbin into the bobbin cose ond

pull the (roiling threod into the slot,

down ond to the left until it enters the

long opening under the tension spring.

(Fig. 7)

There should be

a slight tension on the

threod -s It IS pulled through the spring

ond the bobbin should unwind freely,

(Fig, 8) Bobbin rotates counter-clock­

wise if, inserted correctly,

ADJUSTING THE BOBBIN

TENSION

All mochines ore correctly odjusted before

leaving the factory, therefore it is seldom

necessory to alter the BOBBIN tension.

Should

it

become

necessary,

however,

to do so. tighten the tension spring screw

slightly

to

increose

the

tension

ond

loosen the screw slightly to lessjn the

tension,

using

the

smoll

screw

driver

provided for the purpose. (See Fig. 9)
Make sure to turn the screw o quarter
turn or less in one adjustment ond test

•he tension.

-

6

-

INSERTING THE BOBBIN CASE

After winding о bobbin ond plocing it in the bobbin case (see родеs 5 ond

6) hold %e bobbin cose lotch with left thumb and forefinger (os expióme

bove) to prevent the bobbtn from falltng out. Keeping the protruding

finoer (ВТ stroight up toword the notch

(C) of the roce ring, press the

ьГып cose into the holder post (D) until the protruding finger enters he

notch When in correct position, the mechonism of bobbin cose
the holder post of shuttle hook holding the bobbin cose firmly m ploce^

This operotion is eosy-.. NEVER FORCE IT. Leove three

thread hanging free. This will be brought up through the needle plote hole

os shown on роде 8.

REMOVING THE BOBBIN CASE

Turn the bolonce wheel (20) toword

you until the needle is at its high­

est position.

Slide the Slide Plate (14) to the left.
With left thumb ond forefinger, grasp

the

hinged

latch

(Fig.

10-A)

at

the front of the bobbin case, hold­

ing it securely as you withdrew
the bobbin cose from the holder

post (D) toward you and out of
the machine, (As long os you hold

the hinged lotch (A) as exploined

above, -the bobbin will no. foil out of the bobbin cose.) To

bobbin from the bobbin cose, hold the bobbin cose downword ond permit

the lotch to snap bock .into ploce.

7

Fig. 11

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