Inserting The Control Cam - Pfaff 3339 Instruction Manual

Adjustment
11.

Inserting the control cam

14
11 - 18
Requirement
The control cam must be inserted in such a way that the play between the two spur gears
is as minimal as possible without hindering the smooth running of the machine.
The machine must be in program end position.
1 0
Fig. 11 - 17
Loosen screws 1, 2, 3 and 4 and position them in the middle of their elongated holes.
Tighten screws 1, 2, 3 and 4.
Insert the eccentric bearing bush 6 into the control cam and rotate it so that the largest
eccentricity is pointing upwards, i.e. is pointing to the radial cam 7 of the catcher.
Mount the control cam, taking care that the notch on the edge of the control cam is
pointing to the left and the roller of the right hand control segment 8 is in the curve path.
Insert the locking disk into the bearing bush 6 (ensuring that the pin is in the hole).
Tighten screw 9 as far as possible by hand.
Rotate bearing bush 6 clockwise in accordance with the requirement.
Tighten screw 9.
Set the roller lever on the left control segment 10 and move the segment so that the
roller is in the curve path.
Screw on the roller lever.
1
5
6
9
2
5
7
8
4
2
3