Adjustment
11
Bevel gear play (on the PFAFF 571 and 574)
.08.04
● Disconnect air supply of the air filter/lubricator.
● Move unit 1 by hand as far as possible to the right.
● Adjust bracket 2 (screws 3) according to requirement 1.
● Move unit 1 by hand as far as possible to the left.
● Adjust screw 4 (nut 5) according to requirement 2.
11 - 60
Requirements
1. When sewing forwards, there must be a slight play between bevel gears 6 and 7.
2. When sewing backwards, there must be a slight play between bevel gears 6 and 8.
2
4
5
Fig. 11 - 56
3
1
7
8
6