Pfaff coverlock 4772 Service Manual

Setting the needle guards
23. Setting the rear needle guard
Requirement:
When the looper point of the lower overedge looper 4 is precisely in the center line of needle B and A
when moving to the right, the needles should be positioned right next to the rear needle guard 20 (figure
42).
Check:
● Turn the handwheel in the normal direction until the looper point, when moving to the right,
is precisely behind needle B.
● Check the distance.
Setting:
● Turn the handwheel in the normal direction until the looper point, when moving to the right,
is precisely behind needle B.
● Slightly loosen the screw 2.
● Push the rear needle guard against the looper lever and position it in a parallel manner
as shown in figure 42.
● Tighten the screw 2.
● Using the screw 22, position the rear needle guard 20 so that it is located right next to the needle.
Test:
● As described under “Requirement”.
42

Pfaff coverlock 4772 Specifications

General

Brand	Pfaff
Model	coverlock 4772
Category	Sewing Machine
Language	English