Pfaff 1525 Instruction Manual page 12

Specifications
Maximum sewing speed
The maximum sewing speed depends on the material to be sewn, and thus on the top feed
stroke.
3 Available versions and workaids
.02
Version C N8: ............................................................... for sewing medium-heavy materials
Version C/D N8: ............................................ for sewing medium-heavy to heavy materials
Work aids:
-731/02 ...........................................................................................................Edge trimmer
-900/81 ........................................................................................................ Thread trimmer
-900/82 ........................................................................................................ Thread trimmer
-910/04 ....................................................................................... Automatic presser foot lift
-911/35 .......................................................................................... Backtacking mechanism
-918/29 .................................. Quick-change stepping control and stitch-length adjustment
-926/06 ..................................................................................Bobbin thread supply monitor
-926/07 ................................................................. Bobbin thread control by stitch counting
3 - 2
Top PFAFF 1526
feed Max. sewing speed in s.p.m. at needle gauges:
stroke
6 mm
1 mm 3800
2 mm 3400
3 mm 3000
4 mm 3000
5 mm 2200
6 mm 1800
7 mm 1800
12 mm 20 mm 28 mm
3600 3400 3200
3200 3000 2850
2850 2700 2500
2500 2300 2150
2100 2000 1900
1900 1800 1700
1700 1600 1500
PFAFF 1525
Max. speed
in s.p.m.
40 mm
3000 4000
2700 3600
2300 3000
2000 3000
1800 2200
1600 1800
1400 1800