Pfaff 1525 Instruction Manual page 43

X11 Bobbin thread monitor (optional)
X12 Plug key row
X13 Output-input plug 1
X14 Output-input plug 2
XH8 -926/07 reverse stitch counting
XY2 -900/.. thread trimmer
XY2.1 -900/82 short thread trimmer
XY3 -909/.. thread wiper
XY4 -910/.. automatic foot lift
XY5 -911/.. backtacking device
XY6 -918/.. lift adjustment or -720/.. right needle
XY9 -918/.. second top stitch length or -720/.. left needle
XY10 Thread tension release
XY12 -918/.. second bottom stitch length
XY13 -748/.. lift puller
XY14 Thread tension switchover (optional)
XY15 -748/.. lift puller on automatic foot lift and backtacking device
XY37 Oil valve open while machine running
XY38 Clean hook X11 bobbin thread monitor (optional)
Y2 -900/.. thread trimmer
Y2.1 -900/82 thread trimmer
Y3 -909/.. thread wiper
Y4 -910/.. automatic foot lift
Y5 -911/.. backtacking device
Y6 -918/.. lift adjustment or -720/.. right needle
Y9 -918/.. second top stitch length or -720/.. left needle
Y10 Thread tension release
Y12 -918/.. second bottom stitch length
Y13 -748/.. lift puller
Y14 Thread tension switchover (optional)
Y15 -748/.. lift puller on automatic foot lift and backtacking device
Y37 Oil valve open while machine running
Y38 Clean hook X11 bobbin thread monitor (optional)
Circuit diagrams
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