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Fitting:
e
Insert the new bevel gear complete with
e
Insert feed driving shaft
•
Insert the two cylindrical pins 4 and 6 with the plastic washers
Fit bobbin case position finger 53 and the leaf spring.
•
•
Fit "the needle plate.
•
Adjust the feed driving shaft according to section 2.
e Turn in screw 61 and fasten the hook bearing.
Insert the connecting bar In the feed driving shaft.
•
•
Fit pin Se with the washer situated t o the left of pull rod Sb without any play.
Tighten screw Sa.
•
Pull the feed dog to the front.
•
Important:
The complete feed driving shaft wi th top feed must slide slowly to the
e
Push li f ting eccentric 62 with its hole t o the right onto the hook driving shaft.
Push the hook driving shaft to the left.
•
•
Tighten screw 45 in the bevel gear on the flat of the hook driving sli1aft.
•
Attach the circlip making sure that the plastic washer Is located between bearing and
•
Pull the hook driving shaft fully to the r ight and set the shaft without any play, using one of
screws 35 of the toothed-bell sprocket
e Screw dog-point screw 19a in feed eccentric 20 and In the hook driving shaft.
Note:
Dog-point screw 19a must always protrude from feed eccentr ic 20 on the opposite side of screw 45
In lifting eccentric 62.
e Fit the
feed
dog lowering
e Fit slide block 12 with the spring on the pin and insert into the slide way in the correct curve radius
Check that the slide block can be moved easily without play or binding in the slide way.
Push link 10 complete with cam lever 9 to the right onto the connecting bar pin.
•
Turn cam lever 9 to the rear and then over feed eccentric 20 from the top.
•
Insert screw 18 Into stud 1 9 and tighten a little.
•
Shift stud 19 laterally until link
•
freely movable.
e Ti ghten screw 18.
Frt the two springs 14 and 63 (fig. 27c and 27d).
•
Install transverse-drive stepping motor according to section 38.
•
Push synchronlzer 34 onto the shaft.
•
When doing
so,
mak� sure that the housing rib Is between both guide clamps.
•
Place five-wire flat cable 127 in cable guide 119 (fig. 27 d).
•
Place seven-wire fl a t cable 200 In the cable guide.
•
Insert complete buttonhole sensor.
Fasten the free-arm cover wi t h two screws.
•
Place the five-wire and the four-wire flat cables in the cable guides.
•
•
Set the baseplate complete against the machine.
56
sewing
hook
5.
(fig.
27 d).
mechanism.
1
0 and the connecting bar have only a slight play and are
bearing 60
in the machine
.
1rear.
(fig. 27c)
circlip.
.
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