Contents

 

Contents ...............................................................................

Chapter - Page

13

Adjustment ..............................................................................................................

13

-

1

13.01

Notes on adjustment ................................................................................................

13

-

1

13.02

Tools, gauges and other equipment ..........................................................................

13

-

1

13.03

Abbreviations............................................................................................................

13

-

1

13.04

Explanation of the symbols ......................................................................................

13

-

1

13.05

Adjusting the basic machine .................................................................................

13

-

2

13.05.01

Position of the bottom feed dog crosswise to sewing direction ................................

13

-

2

13.05.02

Adjusting the bottom feed dog in sewing direction ....................................................

13

-

3

13.05.03

Bottom feed dog height ............................................................................................

13

-

4

13.05.04

Needle height (preliminary adjustment) .....................................................................

13

-

5

13.05.05

Needle in needle-hole centre .....................................................................................

13

-

6

13.05.06

Bottom feed dog lifting motion ..................................................................................

13

-

7

13.05.07

Feeding stroke of bottom and top feeds ....................................................................

13

-

8

13.05.08

Hook clearance, needle rise, needle height and needle guard ...................................

13

-

9

13.05.09

Top feed stroke .........................................................................................................

13

- 11

13.05.10

Top feed lifting motion ..............................................................................................

13

- 12

13.05.11

Bobbin case opener ..................................................................................................

13

- 13

13.05.12

Slip coupling .............................................................................................................

11

-14

13.05.13

Needle-thread tension release ...................................................................................

13

- 15

13.05.14

Thread check spring, without subclass -900/56 ........................................................

13

- 16

13.05.15

Thread check spring on the PFAFF 1296 with subclass -900/56 ...............................

13

- 17

13.05.16

Bobbin winder ..........................................................................................................

13

- 18

13.05.17

Pressure of the lifting presser ...................................................................................

11

- 19

13.06

Adjusting the thread trimmer -900/56 ........................................................................

13

- 20

13.06.01

Engaging solenoid .....................................................................................................

13

- 20

13.06.02

Control cam (preliminary adjustment) .......................................................................

13

- 21

13.06.03

Control lever spring action ........................................................................................

11

- 22

13.06.04

Control lever stroke ..................................................................................................

13

- 23

13.06.05

Thread-trimmer drive linkage ....................................................................................

13

- 24

13.06.06

Linkage bar (only on the PFAFF 1296) .......................................................................

13

- 25

13.06.07

Thread catcher height ...............................................................................................

13

- 26

13.06.08

Thread catcher resting position .................................................................................

13

- 27

13.06.09

Knife pressure ..........................................................................................................

13

- 28

13.06.10

Bobbin thread trapping spring ...................................................................................

13

- 29

13.06.11

Control cam (final adjustment) ..................................................................................

13

- 30

13.06.12

Release lever............................................................................................................

11

- 31

13.06.13

Release rod ..............................................................................................................

13

- 32

13.07

Parameter settings ...................................................................................................

13

- 33

13.07.01

Parameter list ...........................................................................................................

13

- 33

14

Circuit diagrams .......................................................................................................

14

- 01