Instruction manual

Further available documents concerning the class 669:
0791 669801 Parts List
0791 669641 Service Instructions
5. Technical Data
Noise level: Workplace-related emission value according to DIN 45635-48-A-1-KL-2:
669-180010 LC = —dB (A)
Stitch length: _ mm Sewing foot stroke: ___ mm Number of stitches: ____ min
-1
Sewing material:
669-180112 LC = —dB (A)
Stitch length: _ mm Sewing foot stroke: ___ mm Number of stitches: ____ min
-1
Sewing material:
669-180312 LC = —dB (A)
Stitch length: _ mm Sewing foot stroke: ___ mm Number of stitches: ____ min
-1
Sewing material:
6