2.8.2 Exchanging knife and thread catcher
Caution: Danger of injury !
Switchthemainswitchoff.
Exchange knife and thread catcher only with the sewing unit switched
off.
Standard
After a certain service life the knife 5 loses its sharpness. The blunt
knife has to be removed for resharpening.
In case of a change to another needle distance the thread catcher 3
has to be exchanged, too.
Exchanging knife and thread catcher
–
Screw off the complete thread catcher from the machine head.
–
Unscrew screws 6.
–
Remove knife 5.
–
Unscrew screw 7 and remove the k nife protection 8.
–
Unscrew screw 4 (on the rear).
–
Take off the needle thread catcher 3.
–
Insert new thread catcher and tighten with screw 4.
–
Put on new knife 5 and tighten with screws 6. Set the dimensions 5
mm and 1.5 mm.
–
Make a cutting and clamping test. If required, adjust the clamping
pressure with screw 10.
41
76 5 4 3 8
1mm
0,5 mm
2
7
m
m
+
/
-
1
5
3109
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