Modifying The Needle Bar Stroke - Pfaff 1181 Adjustment Manual

Adjustment
13

Modifying the needle bar stroke

.05.22
● Via the hand wheel, turn crank 1 until the screws 2 can be accessed from the side
● Turn eccentric 3 (screws 2) as far as possible toward "+" (= large needle bar stroke) or
● Adjust needle height (see chapter
13 - 24
The needle bar stroke is preset in the factory according to requirement. The
needle bar stroke can be modified later if specific operating conditions make it
necessary to do so.
2
Fig. 13 - 22
When the needle bar stroke is altered, it is absolutely necessary to readjust the
needle height! With a 36 mm needle bar stroke, the maximum speed must be
limited to 3800 spm.
opening of the housing.
toward "-" (= small needle bar stroke).
13.
chapter 05.14 Needle rise, hook-to-needle clearance, needle height and bobbin
case position finger).
3
+
-
13.
05.02 Preadjusting the needle height and/or
1