Pfaff 1540 - Manual (Page 36)

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14. Adjustment of the locking disk
Note:
Carry out this adjustment only if compelling reasons exist.
For this adjustment the automatic module has to be removed.
Requirement:
When the automatic module is switched off, lifting pin 66 should be exactly centered in the
groove (fig. 24).
Check:
z Set adjustment dial 67 at the dot mark.
z Move push-lever 68 back and forth.
z Lifting pin 66 should now be exactly centered the groove and should not come into contact with the left
wall of the groove during operation.
Adjustment:
z Loosen screw 69 (Fig. 25).
z Turn adjustment dial 67, until lifting pin 66 is exactly centered in the groove (fig. 24).
z Firmly tighten screw 69 (fig. 25).
Cross-check:
z Move push-lever 68 back and forth and check as described under "Check”