Operation Manual

Index Page:

Part 3: Service instructions class 1281/5

1. General notes ................................................ 3

2. Brief instructions for the sewing head

2.1 Adjusting the height of the needle bar .................................. 4

2.2 Adjusting the hook .............................................. 5

2.2.1 Distance between left hook and needle.................................. 5

2.2.2 Distance between right hook and needlel ................................ 7

2.3 Adjusting the needle protection ...................................... 9

2.3.1 Hind needle protection............................................ 9

2.3.2 Front needle protection ........................................... 10

2.4 Adjusting the feed-dog............................................ 11

2.4.1 Feed-dog position .............................................. 11

2.4.2 Feed-dog height ............................................... 12

2.5 Presser foot .................................................. 13

2.5.1 Presser foot lift Head EXT 3216 ...................................... 13

2.5.2 Presser foot .................................................. 14

2.6 Upper and lower knife ............................................ 15

2.6.1 Changing and adjusting the upper knife ................................. 15

2.6.2 Changing and adjusting the lower knife ................................. 16

2.7 Thread regulation overlock hook...................................... 17

3. Adjusting the sewing unit

3.1 Adjusting the light barrier .......................................... 18

3.2 Adjusting the material stop ......................................... 19

3.3 Adjusting the contour guide......................................... 20

3.4 Direct sewing drive ............................................. 21

3.4.1 Setting the reference............................................. 21

4. Oil lubrication

4.1 Oil change and oil filter change ...................................... 22

5. Maintenance ................................................. 23