Operation Manual

Index Page:

Preface and general safety hints

Part 1: Operating Instructions cl. 175  176  179 – Original Instructions

(Edition 10/2010)

1 Product description ............................................ 5

2 Designated use ............................................... 5

3 Subclasses .................................................. 7

4 Optional equipment ............................................. 9

5 Technical data

5.1 Technicaldataofthesubclasses..................................... 15

6 Operating

6.1 Threadingtheneedlethread........................................ 12

6.2 Threadingthelooperthread........................................ 13

6.3 Adjustingtheneedlethreadtension ................................... 14

6.4 Needlethreadquantityforsafestitchformation............................ 14

6.5 Adjustingthelooperthreadfeeder.................................... 15

6.6 Adjustingthefeedlength.......................................... 16

6.7 Changingtheneedles............................................ 18

6.8 Adjustingthesewingfootpressure.................................... 19

6.9 Adjustingthetopfeedfootpressure................................... 20

6.10 Sewingfootlift................................................ 21

6.11 Keypadonthemachinearm........................................ 21

7Sewing..................................................... 22

8 Maintenance

8.1 Cleaningandtesting............................................. 23

8.2 Lubrication................................................... 25