Drive Rods Of Bobbin Thread Trimming Device - Pfaff 3119 Instruction Manual

Adjustment
13 Drive rods of the bobbin thread trimming device
.05
● Loosen nut 1.
● Loosen screw 2 until roller 3 can be pushed into the curve bottom of slotted lever 4 by
● Well tighten screw 2.
● To set the distance of roller 3 according to the requirement, turn screw 2 another ½ turn
13 - 3
Requirement
When cylinder 5 is fully extended, roller 3 should be positioned at a small distance
(approx. 0.3 mm) from the curve bottom of slotted lever 4.
Fig. 13 - 02
hand.
and fix it with nut 1.
When the cylinder is extented, there should be a distance of 204.5 mm
between the centre of the yoke head bore hole and the bore hole for the
cylinder suspension.
5
3
4
56-050
2 1