Setting The Needle Guard For The Cover Stitch Needles - Pfaff Coverlock 4772 Service Manual

25. Setting the needle guard for the cover stitch needles

Requirement:
When the needle bar is in its lowest position, there should be a clearance of 0 - 0.05 mm between the
needles "C" for "D" and the front needle guard (fig. 45).
Check:
G Turn the handwheel in the normal direction, until the needle bar is in its lowest position.
G Carry out a visual check.
Setting the front needle guard:
G Slightly loosen the fastening screw 27.
G Push the front needle guard until there is an even spacing of 0.5 - 0.05 mm between the needles "C"
or "D" and the front needle guide 28 (fig. 45).
G Tighten the fastening screw 27 (fig. 46).
Check:
G As described under "Requirement".
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