Fitting The Cutter - Pfaff 471 Instruction Manual

Adjustment
11.

Fitting the cutter

07.12
11 - 58
Requirement
1. The pin of bolt 4 must protrude into the cam tracks of the cutter halves.
2. The cutter must work with as little lateral play as possible.
5
1
Fig. 11 - 54
Swing out driving rod 1.
Swing out bobbin opener 2 by hand and hold it.
Insert the cutter with its bearing pin 3 into the bearing bushing of the feed wheel post.
Swing in driving rod 1 and insert pin 4 in accordance with requirement 1.
Position the eccentricity of pin 4 so that it faces upwards.
Tighten screw 5 and screw on the post cover plate.
Check driving rod 1 for play and friction-free running. If necessary, adjust with screw 6
(nut 7).
For model 474 repeat adjustment on the right post.
4
2
4
3
7
6