Instruction Manual

9.Installing the bobbin case(Fig.7)

1.Open the hook cover, put the bobbi n and bobbin

Case into the hook;

2.put the bobbin case on t he hook drivi ng shaft,th en

lay down the hook cover.

10.Winding the bobbin thread(Fig.8)

1.T hre ad as fol low ing ord er A,B ,C, the n win d the thr ead

aro und bob bin sev era l cir cle s;

2.P res s dow n the bob bin pre ss pla te ,th e win din g

pul ley wil l be tou che d wit h the V-b elt ;

3.w ind ng amo unt can be adj ust ed by the scr ew ,th e

opt imu m cap aci ty of bob bin thr ead is fil l abo ut 80%

of bob bin out sid e dia met er. Tur n the scr ew clo ckw ise

to inc rea se the win din g amo unt ,co ntr ary ,to dec rea se

the amo unt ;

4.I f the thr ead is not nea t,p lea se mov e the bra cke t

to adj ust is;

5.W hen the win din g is ove r, the bob bin pre ss pla te

wil l be loo se and the bob bin win der wil l sto p aut oma -

tic all y.

①

②

③

①

11.Put the bobbin into bobbin case(fig.9)

1.Draw the tip of bo bbin threa d to the ri g ht ,then p ut the

bobbin into bobbin case;

2.Draw the bobbin t hread thro ugh the sl i t on the

bobbin case,then p ass throug h the thre a d tension

spring,finally,d raw the thr ead out of t he slit .

Reminder:if the bo bbin is pu t correctl y ,then dra w the

bobbin thread as A, the bobbin will rota t es as B.

①

②

①

②

③

①

②