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3.5
D irectsew ing drive
3.5.1
Setting the reference
C aution:R isk ofinjury!
S w itch the m ain sw itch off.
C heck and adjustthe hook only w ith the sew ing unitsw itched off.
S tandard
W hen the needle is in the position “7 m m after the bottom dead
centre”,the drive belthas to be puton in such a w ay thatthe feather
key 2 in the m otorshaftpoints to the m arking 1 in the m otorcasing.
C orrection
–
R em ove the toothed belt.
–
M ove the needle barin the position “7 m m after the bottom dead
centre”by handw heel.
–
Turn the m otorshaftin such a w ay thatthe featherkey 2 in the
m otorshaftpoints to the m arking 1 in the m otorcasing.
–
P utthe toothed belton again.
36
1
Содержание 1265-5
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