2.5.4 Timing the bobbin case lifting
Caution: Danger of bodily injuries !
The machine must be in the position "Safe motor stop ".
Rule and control
The bobbin case must be in its lifted position when the thread passes
between the bobbin case 3 and its support 4.
–
Lower the sewing head by the function "
Lifting/lowering the
sewing head
".
–
Press the key "
O
".
"Safe motor stop " will be switched on.
–
Turn the handwheel.
–
Watch the thread passage.
Correction
–
Loosen the two screws 1.
–
Turn the handwheel until the hook tip, after picking up the loop, is
in its ”3 o’clock ” position.
–
Turn the shaft 2 by a hexagon screw spanner (spanner opening 2,5
mm) until the finger stands at the front inversion point, where the
case is completely lifted.
–
2 Tighten the screw 1.
1
2
3
4
22
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