Let the machine run with the same speed as under (1), the
material should not move backward with the same very slow,
almost imperceptible motion as under test 1.
If the conditions put forward under the first and second part of
the above test, are not met, correct them in the following way:
Loosen the nut "A" (see Fig. 86), using wrench No. 20-6.
Turn the counter-nut " B ", either clockwise or counter-clockwise,
until the desired adjustment is obtained. Usually, very little move
ment of the nut is required.
Fig. 88
The two adjustments of nut " A " and counter-nut " B " are made
at the same time, using two wrenches No. 20-6 (Fig.
102
Copyright -2004
Summary of Contents for Supernova
Page 1: ...Instructions For Servicing The Necchi Supernova Sewing Machine 1 Copyright 2004...
Page 15: ...15 Copyright 2004...
Page 17: ...Fig 11 Fig 12 Fig 13 17 Copyright 2004...
Page 23: ...False needle Fig 18 False needle Fig 19 23 Copyright 2004...
Page 43: ...Fig 38 43 Copyright 2004...
Page 49: ...49 Copyright 2004...
