页面 6 – Reliable MSK-1341B User Manual

Page 7

15.T h r e a d t ake-up s p r i n g (fig. 1 3 )

1. Ad ju st in g th e th re ad ta ke -u p sp ri ng st ro ke
a. Lo os en th e sc re w

,a nd mo ve th e di sc le ft wa rd

or ri gh tw ar d;
b. Mo ve th e di sc ri gh tw ar d to in cr ea se th e sp ri ng
st ro ke ,c on tr ar y, to de cr ea se th e sp ri ng st ro ke .
2. Ad ju st in g th e te ns io n of th re ad ta ke -u p sp ri ng
Ti gh te n th e nu t ,t ur n th e sp ri ng sh af t co un te r-
co lc kw is e to in cr ea se th e te ns io n, co tr ar y, to de cr ea se
th e te ns io n. Pl ea se us e a sc re wd ri ve r to ro ta te th e sp ro ng
sh af t to ge t th e re qu ir ed te ns io n.

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16.A d j u s ting t he p re s s u r e o f p resser f o o t ( F ig.14 )

Adj ust the pre sse r foo t pre ssu re acc ord ing to the mat er-
ial s.( the sta nda rd hei ght of pre ssu re adj ust men t scr ew

is 25m m).

1.T urn the scr ew

clo ckw ise (A dir ect ion )to inc rea se

the pre ssu re, con tra ry, tur n the scr ew

cou nte r-

clo ckw ise (B dir ect ion )to dec rea se the pre ssu re,
2.A fte r the pro per pre ssu re is got ,ti ght en the nut

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17.A d j u s ting t he h ei g h t o f p r e sser f oot ( f i g .15)

1.Th e optimum fixed position of presser foot is to adjust

Th e presser foot to the “1/8”indication line on

Th e feed crank.

Loosen the nut

and adjust the cam link assembl ing

position.

a.At he highest position A, the max .Pr esser foot

Vertical stroke is got;

b.At the lowe st position B, the mi n. Pr esser foot

vertical stroke is got.

2.Us ually, the srtoke of outer presser foot is same as that of

the inner presser foot.

A. Loosen the screw

;

b.When the thread take-up lever is at its highest

position,lay down the presser bar lever;

c.Ad just the feed crank

to leftwa rd(A directon)

to increase the presser foot stroke.contrary,adjust

the feed crank

to rightwa rd (b direction) to

decrease the presser foot stroke.

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Standard

25mm

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