Pfaff 1540 - Manual (Page 38)

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16. Basic position of setting eccentric for the sideways needle position
Requirement:
In its basic position the setting eccentric must point downwards (fig. 28).
Adjustment:
z Set stitch width adjustment dial 70 to "0" (fig. 27).
z Set needle position adjustment dial 79 to "center".
z Switch the automatic unit to position "E".
z Loosen screw 73 (fig. 28).
z Rotate setting eccentric 74 downwards.
z Tighten screw 73.
Note:
When setting eccentric 74 is in its basic position, connecting lever 50 must be parallel to the automatic
unit adjustment dial.