Needle Bar Height - Pfaff 3339 Instruction Manual

Adjustment
11.

Needle bar height

12
Requirement
With the hook point exactly in the middle of the needle, there must be a clearance of
1.5 mm between the top edge of the eye of the needle and the hook point.
Fig. 11 - 15
11 - 16
Rotate the V-belt wheel in its direction of rotation until the hook point is directly in the
middle of the needle.
Move the needle bar (screw 1) in accordance with the requirement.
The screw of the thread guide eyelet on the needle bar must be facing towards
the back.
Screw the hook race locking ring so that it still bounces.
1
1.5 mm