Final Adjustment Of The Control Cam - Pfaff 1243-712/02 Instruction Manual

Adjustment
11

Final adjustment of the control cam

.05.08
● Bring the take-up lever to just past its TDC by turning the balance wheel and loosen the
● Continue turning the balance wheel in its direction of rotation until the machine is in
● Taking care to ensure that control lever 3 is engaged, loosen the remaining screws on
● Continue turning the balance wheel in its direction of rotation until the point of the needle
● In this position, and taking care to ensure that control cam 1 is touching retaining collar
● In this position, tighten the accessible screws on control cam 1.
● Make the remaining screws on control cam 1 accessible and tighten them.
11 - 21
Requirement
When control lever 3 is engaged and the needle point is 12 mm above the needle plate
coming from its BDC, the motion of the thread catcher 5 must begin.
5
1
Fig. 11 - 19
accessible screws on control cam 1.
needle rise position and then activate engaging lever 2.
control cam 1.
is 12 mm above the needle plate.
4, turn in the direction of rotation until you feel some resistance.
1
2
3
1
4