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Т³гж 14 – Reliable MSK-8900M User Manual

Page 15

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31

31

Standarel

Front decline

Front raise

32

32

30

30

<-3>0.8mm

<-3>0.8mm
<-5>1.2mm

<-5>1.2mm

4. Adjust the height of feed dog (Fig. 30)

The highest height of feed dog

against needle

plate is 0.8mm. ( For MSK-8900M ) or 1.2 mm ( for

MSK-8900H)

(1) Turn the hand wheel to lift the feed dog to its

highest position;

(2) Loosen the screw

;

(3) Turn the crank

and adjust the feed dog

supporter ;

(4) Tighten the screw

.

5. Adjust the angle of feed dog (Fig. 31)

While the feed dog

is at its highest position,

the standard angle is that the mark on the shaft

inosculates the ones on the feed dog supporter

(1) Turn the hand wheel to lift the feed dog to its

highest position;

(2) Loosen the screw

;

(3) Loosen the shaft

and adjust it within the

range of 90

shown in the Fig.31 upon the standard

position

If the materials puckering, adjust the feed dog

as Fig A shown;

If the materials slippery, adjust the feed dog

as Fig B shown;

(4) Tighten the screw

.

After adjustment, the height of feed dog will

change, so please adjust the height of feed dog again.

6. Adjust the height of needle bar (Fig. 32)

When the needle bar

is at its lowest position,

the second mark a on the needle bar

should align

with the bottom of needle bar bushing

(1) Locate the needle bar

at its lowest position

(2) Pull out the rubber plug

(3) Loosen the screw

and adjust the needle bar

upward or down ward

(4) Tighten the screw

(5) Inset the rubber plug