Pfaff 1171 Einstellanleitung Seite 41

4a Adjusting the presser bar height on the PFAFF 1 071
Requirement:
With the presser bar l ifter raised there should be a clearance of 8 mm between the needle plate and the
sewing foot shoe of the zigzag foot.
Check:
e
Raise the presser bar l ifter.
e
I nsert the zigzag sewig foot shoe.
e
D rop the feed dog.
e
Fully raise the presser bar l ifter and hold it there.
e
Insert sewing foot gauge no. 631 14 690-35 from behind under the zigzag foot and i nto the cutouts of the
needle plate simultaneously (Fig. 4 c) .
e
Lower the presser bar lifter again to the no rmal positio n.
The zigzag foot must rest on the sewing foot gauge without play and parallel.
The sewing foot gauge, however, should not lift the zigzag foot, and the needle th read tension release 44
must be without play (Fig. 4d).
Adjustment:
e
Loosen the three screws 46, 47 and 50.
e
Turn the zigzag foot with the presser bar l ifter raised until it is parallel to the bars of the clearance gauge
(Figs. 4c).
e
Press the presser foot guide 48 firmly downward with a screwdriver.
e
Tighten screw 47 firmly at same time.
Re-check:
e
Press the presser bar lifter briefly upwards and release it again.
The zigzag foot must rest on the sewing foot gauge without play and parallel.
The needle th read tensin release 44 must be without play.
The presser bar lifter must be in its raised position.
Note:
The two screws 46 and 50 are fastened later when setting the top feed-foot height.
27c