TM 10-3530-207-14
MALFUNCTION
PAGE
CLOTHING SEWING MACHINE - continued
21.
Motor does not start ........................................................................................................
3-19
22.
Unusual noise in motor ....................................................................................................
3-20
23.
Motor does not pull load...................................................................................................
3-20
DARNING SEWING MACHINE
24.
Needle breaks .................................................................................................................
3-20
25.
Needle thread breaks ......................................................................................................
3-21
26.
Bobbin thread breaks ......................................................................................................
3-22
27.
Stitches skip or fail to lock................................................................................................
3-23
28.
Seams draw ....................................................................................................................
3-24
29.
Thread snarls at beginning of darn ..................................................................................
3-24
30.
Thread snarls during darn ................................................................................................
3-25
31.
Thread snarls at end of darn.............................................................................................
3-25
32.
Bobbin thread cannot be raised through hole in throat plate ............................................
3-25
33.
Presser foot pressure regulator thumbscrew is hard to adjust..........................................
3-26
34.
Machine vibrates..............................................................................................................
3-26
35.
Lamp does not light..........................................................................................................
3-26
36.
Motor does not start .........................................................................................................
3-27
37.
Unusual noise in motor.....................................................................................................
3-28
38.
Motor does not pull load ..................................................................................................
3-28
BUTTON SEWING MACHINE
39.
Needle breaks..................................................................................................................
3-28
40.
Thread breaks .................................................................................................................
3-29
41.
Lamp does not light..........................................................................................................
3-30
42.
Motor does not start ........................................................................................................
3-31
43.
Unusual noise in motor ....................................................................................................
3-31
44.
Motor does not pull load...................................................................................................
3-31
GROMMET PRESS
45.
Handlever sticks on downstroke .......................................................................................
3-32
46.
Fasteners are loose .........................................................................................................
3-32
47.
Machine cuts material .....................................................................................................
3-32
TACK-BUTTON ATTACHING MACHINE
48.
Handlever sticks on downstroke.......................................................................................
3-32
49.
Upper die does not hold button firmly ..............................................................................
3-32
50.
Double pronged tack does not fit properly into holes in button.........................................
3-33
51.
Machine cuts material ......................................................................................................
3-33
52.
Shank of lower die binds..................................................................................................
3-33
HEAT SEALING MACHINE
53.
Machine does not heat ....................................................................................................
3-33
3-8