Adjustment
14 - 2
14
.03
Check and adjustment aid
By placing pegs in holes
1
and
3 - 6
the required needle bar positions can be
exactly fixed.
●
Turn the handwheel until the needle bar has approximately reached the required position.
●
Place the 5 mm rig pin in the appropriate hole and put pressure on it.
●
Turn the handwheel forwards and backwards a little until the rig pin moves into the slot
in the crank behind the bearing plate, thus blocking the machine.
Hole
1
=
0.6 mm after the top dead center of the needle bar (0.6 a. TDC)
Hole
3
=
0.6 mm after the bottom dead center of the needle bar (0.6 a. BDC)
Hole
4
=
1.8 mm after the bottom dead center of the needle bar (needle rise)
Hole
5
=
Top dead center of the needle bar (TDC)
Hole
6
=
4 mm after the bottom dead center of the needle bar (4 a. BDC)
Fig. 14 - 01
5
1
4 6
3