Feed Stroke - Pfaff 3339 Instruction Manual

11.

Feed stroke

15
Requirement
The feed stroke of the functioning control lever must occur 50% before the t.d.c. of the
needle bar and 50% after it.
Fig. 11 - 18
Activate the engaging lever.
Rotate the V-belt wheel to check the stroke of the needle and the control lever.
Turn the control cam disk to carry out the correction (screws 1).
1
1
Adjustment
11 - 19