2.2 Looper and spreader eccentric
Caution: Danger of injury!
Switchthemainswitchoff.
Adjust the eccentrics only with the sewing machine switched 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 w ith arresting pin 1.
Important !
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 whether the looper eccentric 5 and
the spreader eccentric 6 can be staked out.
Correction
–
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
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