Operation Manual

1.3 Sub-classes
971-805 Rotary sewing unit for sewing small pieces.
Single needle-double chain stitch machine with needle and hook thread
monitors, trimming head, trimming clearance dependent on parts set,
magnetic roller control for sewing and trimming head, 4, 6 or 8
non-
adjustable material holders.
971-825 Rotary sewing unit for runstitching of cuffs.
Single needle-double chain stitch machine with needle and hook
thread monitors, trimming head, trimming clearance dependent on
parts set, magnetic roller control for sewing and trimming head,
adjustable frame for accepting 6 adjustable material holders.
1.4 Technical Data
Noise level Lc = 83 dB (A)
Workstation related emmission according to DIN 45635-48-B-1
Sewing material: G1 DIN 23328 2x
Measuring point to DIN 4895 Part 1
x = 1000 mm y = -320 mm z = 300 mm
Nominal voltage
The final number of the sub-class designation represents the nominal
voltage of the Sewing unit.
971-805/1 for 3 x 380 - 415 V+N 50Hz
971-805/2 for 3 x 220 - 240 V 50 Hz
971-805/3 for 3 x 220 - 240 V 60 Hz
971-825/1 for 3 x 380 - 415 V+N 50Hz
971-825/2 for 3 x 220 - 240 V 50 Hz
971-825/3 for 3 x 220 - 240 V 60 Hz
Sewing / trimming drive
AM 63 FX2
Turntable drive
AM 63 KY 4Q4
Motor protection switch
Setting by 3 x 220V = 4,8 A
3 x 230V = 4,8 A
3 x 240V = 5,0 A
3 x 380V = 2,5 A
3 x 400V = 2,5 A
3 x 415V = 2,7 A
Sewing head
Needle system: 971-B/1cf
Maximum number of stitches: 2800 rpm
Maximum stitch length: 2 mm
Maximum thread thickness:
Synthetic: 80/2 Nm
Covering twist: 140/3 Nm
Trimming head
Trim clearance: 3.5 mm, 4.5 mm, 5.5 mm dependent on parts set
Compressed air
Operating pressure: 5 +/- 0,5 bar
Line pressure: 7-10 bar
Air comsumption per
work cycle: 90-100 l/min
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