2.12.3 Height of the thread pulling knife
Rule and control
The thread pulling knife 1 should be as close to the bobbin as possible
when it crosses the bobbin, however without touching the latter.
Caution: Danger of bodily injuries !
The machine must be in the position "Safe motor stop ".
Correction
–
Lower the sewing head by the function "
Lowering/lifting the
sewing head
".
–
Press the key "
O
".
"Safe motor stop " will be switched on.
–
Loosen the screws on the two setting rings 3 and 4.
–
Change the height of the thread pulling knife accordingly.
–
Fix the shaft 5 by the two setting rings so that the thread pulling
knife can be moved easily without any play.
–
Tighten the screws 3 ands 4 on the two setting rings.
ATTENTION !
An incorrect adjustment can have following effects:
–
No safe thread catching.
–
Contact with the fabric rest.
–
Damage to the bobbin.
1
2
3
4
5
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