Pfaff 1246 - Manual (Page 71)

Adjustment
11 - 31
11. 05.12 Knife
(On Model 1246 make these adjustments on both knives.)
Requirement
1. The elongated hole of knife
3 must be parallel to knife carrier 5 and the knife must not
be touching the casting (see arrow).
2. When the point of needle catcher 4 protrudes approx. 3 mm over the cutting edge of
the knife, knife
3 must just touch thread catcher 4.
Fig. 11 - 27
● Loosen screws 2.
● Move knife 3 in such a way that it cannot collide with thread catcher 4.
● Taking care to ensure that screw 1 is loosened, manually turn thread catcher 4 in
accordance with
requirement 2.
● Bring knife 3 to rest against thread catcher 4 and align it in accordance with
requirement 1.
● In this position tighten screws 2.
● Screw 1 remains loosened for the following adjustment.
2 3
3 mm
1
5
4