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2.6.7
Top feed-dog -H eight
C aution:R isk ofinjury!
S w itch the m ain sw itch off.
C heck and adjustthe top feed only w ith the sew ing unitsw itched off.
S tandard and checking
B asic position
The feed-dog 1 should be fastened in the upperthird ofthe slotted hole
atthe feed-dog support4.
In this position the feed-dog bends dow n in sew ing direction.
H eight
W hen the needle is m oved dow nw ard untilittakes overthe hook
thread,a 0.025 m m thick brass foil2 placed underthe top feed-dog 1
should notbe clam ped by the top feed-dog.
2-thread
C orrection ofbasic position
–
Loosen screw 3.
–
P ullthe feed-dog dow nw ards.
–
Tighten screw 3.
C orrection ofheight
–
C lam p the brass foil2 (0.025 m m )underthe top feed-dog.
–
Turn the handw heeluntilthe needle is behind the back ofthe hook
(see ill.on the leftfor2-and 3-thread m achine heads).
–
Loosen screw 3.
–
A djustthe feed-dog in such a w ay thatthe brass foilis no longer
clam ped.
–
Tighten screw 3.
3-thread
22
1
4
3
2
1
4
Содержание 1265-5
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