Operating instructions

2.2 Looper and spreader eccentric
Caution: Danger of injury!
Switchthemainswitchoff.
Adjust the eccentrics only with the sewing machine s witched off.
Standard checking
When the arm shaft is staked out with arresting pin 1, it should
be possible to stake out the looper eccentric 3 and the spreader
eccentric 4, too.
–
Stake out the arm shaft with arresting pin 1.
Importa nt !
In this position the needle bar must be in the top dead center in
front of the left entry point.
–
Check with the arresting pin 2 w hether the looper eccentric 5 and
the spreader eccentric 6 can be staked out.
Correction
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Stake out the arm shaft with the arresting pin 1.
–
Loosen the screws at the looper eccentric 3.
–
Turn and stake out the eccentric.
–
Tighten the screws.
–
Loosen the screws at the spreader eccentric 4.
–
Turn and stake out the eccentric.
–
Tighten the screws.
3
5
64 3 25
1