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PFAFF 5
2 Zeroing the feed motion
Requirement
The feed dog must not move when turning the handwheel with the stitch length set at “0”.
2.1 Zeroing procedure with the gearbox closed
● Raise the presser foot and set the stitch length control lever 1 at its lowest position.
● Turn eccentric bushing
2
(screw
3) so that mark
4
is roughly at the bottom and the edge of
the milled surface is at an angle of 45° to the machine front (for final adjustment see
section 23).
● nsert an allen key in one of the holes in collar 5. Use the allen key to hold the shaft in
position.
● Rotate the handwheel and at the same time turn shaft 6 (screw 7) with the allen key
according to the requirement. Remember that in the PFAFF 483 there must be a
clearance of 8 mm between the bearing bush and actuating crank 8.
6
7
8
1
4
2
3
5
8 mm