Pfaff coverlock 4872 Service Manual

36
Setting the upper overedge looper
14. Setting the lateral clearance to the left needle
Requirement:
When the upper overedge looper is at its left point of reversal, the clearance of looper point to the left
needle must be 5.5 - 6.0 mm (fig. 25).
Note:
The rock shaft and its guide bushes must not have any axial play.
Check:
● Turn the handwheel in the normal direction until the upper looper is at its left point of reversal.
● Check the clearance using the adjustment gauge (measurement C).
Setting:
● Turn the handwheel in the normal direction until the upper looper is at its left point of reversal.
● Slightly loosen fastening screw 8.
● Move the looper drive arm 9 until the clearance between the looper point and the left needle is 5.5 -
6.0 mm.
● Tighten fastening screw 8.
Test:
● As described under “Requirement”.
● Check that the machine runs freely.

Pfaff coverlock 4872 Specifications

General

Brand	Pfaff
Model	coverlock 4872
Category	Sewing Machine
Language	English