Adjustment
13 - 2
81
-015
Fig. 13 - 01
●
Turn the balance wheel until the needle bar has approximately reached the required
position.
●
Place the 5 mm blocking pin in the appropriate hole and put pressure on it.
●
Turn the balance wheel forwards and backwards a little until the blocking pin moves
into the slot in the crank behind the bearing plate, thus blocking the machine.
Hole 1
=
2.0 mm after the bottom dead center of the needle bar (2.0 past tdc)
Hole 2
=
Top dead center of the needle bar (tdc)
Hole 3
=
0.25 mm after the top dead center of the needle bar (0.25 past bdc)
Hole 4
=
1.0 mm after the top dead center of the needle bar (1.0 mm past tdc)
Hole 5
=
4 mm after the bottom dead center of the needle bar (4.0 past bdc)
13
.04
Check and adjustment aid
By blocking with holes
1
-
5
the required needle bar positions can be fixed
exactly.
81-016
4
2
5
1
3
Содержание 2438 plusline
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Страница 113: ...15 2 Circuit diagram View Version 23 01 03...
Страница 114: ...15 3 91 191 445 95 Part 1 Version 29 01 02 Circuit diagram...
Страница 115: ...15 4 Circuit diagram Version 29 01 02 91 191 445 95 Part 2...
Страница 116: ...15 5 91 191 445 95 Part 3 Version 29 01 02 Circuit diagram...
Страница 117: ...15 6 Circuit diagram Version 29 01 02 91 191 445 95 Part 4...