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Adjustment
14
Check and adjustment aid
.03
Fig. 14 - 01
Hole 1
Hole 3
Hole 4
Hole 5
Hole 6
14 - 2
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.
=
0.6 mm after the top dead center of the needle bar (0.6 a. TDC)
=
0.6 mm after the bottom dead center of the needle bar (0.6 a. BDC)
=
1.8 mm after the bottom dead center of the needle bar (needle rise)
=
Top dead center of the needle bar (TDC)
=
4 mm after the bottom dead center of the needle bar (4 a. BDC)
3
4 6
1
5
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