Singer 14T957DC Service Manual page 3

Contence
1. Presser bar height ....................................................................................................................... 4
2. Needle bar height and parallelism ............................................................................................... 5
3. Needle timing ............................................................................................................................ 6
4. Height of the lower looper ............................................................................................................ 7
5. Clearance between lower looper the "A" needle. ........................................................................... 8
6. Looper to needle clearance .......................................................................................................... 9
7. Timing of the lower looper .......................................................................................................... 10
8 . Clearance between lower looper needle guard and "A", "B" needles ........................................... 11
9. Upper looper position to the left needle ....................................................................................... 12
10. Timing of the upper looper ....................................................................................................... 13
11. Clearance between the upper and lower loopers ........................................................................ 14
12. Height of the chain stitch looper ................................................................................................ 15
13. Clearance between chain stitch looper the Left needle "C" ........................................................... 16
14. Chain stitch looper to needle clearance ..................................................................................... 17
15. Ellipsoidal movement of chain stitch. .......................................................................................... 18
16. Chain stitch needle guard to needle clearance ............................................................................ 19
17. Feed Timing............................................................................................................................ 20
18. Feed dog height...................................................................................................................... 21
19. Lower Knife ........................................................................................................................... 22
20. Upper Knife ............................................................................................................................ 23
21. Set the Lower Looper lower thread guide.................................................................................... 24
22. Set the Upper Looper lower thread guide ................................................................................... 25
23. Set the Upper Looper upper thread guide ................................................................................... 26
24. Set the Chain stitch loopers thread take up. ................................................................................ 27
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