Necchi Supernova Instructions Manual page 30

Insert the gauge No. 10-9 into the race body and attach it by
means of the two knobs " H " and the two locating pins " G ".
Timing procedure.
If, by pushing down the needle bar by hand while the balance
wheel
Is held firmly, the lower end of the bar " E " enters exactly into
the
Rectangular hole in the prong of the gauge No. 10-9 (Fig. 27),
then
the requirements of paragraphs II, III, and IV have been satisfied.
In
Order to comply also with the requirements of paragraph I, push
the
Step "I " of the bar " E " further downward until it stops against
the
Outside of the gauge No. 10-9 (Fig. 27).
Now, tighten screw No. 24 and remove the gauge.
If, by pushing down the needle bar by hand, the lower end of
the
Bar "E " does not enter the rectangular hole in the prong of
the
Gauge No. 10-9, and then adjust as follows:
Loosen the screw " F " below the bed of the machine (Fig. 24) in
order to allow the race body No. D 26330 to be moved freely.
Move the race body No. D 26330 and the needle bar " C "
stimuli
tenuously until the lower end of the bar " E " enters the rectangu-
lar hole in the prong of the gauge.
Push down the step " I " of the bar " E " by hand (Fig. 27) until
it stops against the outside of the gauge.
Firmly tighten the screw No. 24 of the needle bar connecting stud.
No. 26025.
Firmly tighten the screw " F " (Fig. 24) below the bed of the
machine.
/) Remove the gauge.
How to remove the gauge 10-9.
Rotate the balance wheel slightly, just enough to bring the lower
end of the bar " E " out of the hole in the gauge.
Remove the gauge No. 10-9 from the shuttle race.
Remove the bar " E ".
Reassemble the machine.
30
Copyright -2004