Knife - Pfaff 3827-2 Instruction Manual

14

Knife

.33
Requirement
There must be a clearance of approx. 4 mm between the needle and the cutting edge of
the knife 3.
6
Fig. 14 - 33
Disconnect the linkage rod 1 and bring the needle bar to its BDC.
Position the catcher 5 directly in front of the needle and move the knife 3 (screw 2) in
accordance with the requirement.
Make sure that the right hand edges of the knife 3 and the catcher 5 are flush (see
arrow).
Bring the needle bar to its TDC and push the catcher 5 fully forward.
Place two threads in the cutout of the catcher 5 and carry out a cutting test.
To correct: position the catcher 5 (screws 4) parallel to the cutting edge while making
sure to observe the requirement described in chapter 14.31 Lateral position of the
thread catcher!
Place the stop 6 on the right hand bottom edge of the thread catcher 5 and tighten
screws 7.
Re-connect the linkage rod 1.
4 7
1
5
3
2
Adjustment
4 mm
3
14 - 35