Contents
Preface and General Safety Instructions
Part 1: Operating Instructions Class 667 - Original Operating Instructions
(Edition 12/2011)
1
General safety .............................................................................................................................................
2
Product description....................................................................................................................................
2.1
Product description .....................................................................................................................................
2.2
Proper Use, Designated use ........................................................................................................................
2.3
Specifications ..............................................................................................................................................
2.4
Optional equipment .....................................................................................................................................
3
Operation.....................................................................................................................................................
3.1
Threading the needle thread .......................................................................................................................
3.2
3.3
Opening the thread tension ......................................................................................................................... 11
3.4
3.5
Adjusting the thread regulator ..................................................................................................................... 12
3.6
Winding on the hook thread ........................................................................................................................ 13
3.7
3.8
3.9
Changing the needle ................................................................................................................................... 16
3.10 Lifting the sewing foot ................................................................................................................................. 17
3.12 Sewing foot pressure ................................................................................................................................... 18
3.13 Sewing-foot stroke ...................................................................................................................................... 19
4
Maintenance................................................................................................................................................ 27
4.1
Cleaning and inspection .............................................................................................................................. 27
4.2
Oil lubrication ............................................................................................................................................... 29
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