From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
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4.
ADJUSTMENT
OF UPPER
FEED
MECHANISM.
{Ref. Fig.12).
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· ··
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·
A.To
Increase
the
llftfng
volume of outer
foot
1.
Loosen
the
adjusting belt A (#752).
2.
Raise the position
of
Rock
Shaft
Crank (Jf(51) as you desire.
3.
Set
the·
bolt lightly, after adjustment.
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··
8.To obtain
more
lifting volume
of
outer
foot.
1. Loosen the adjusting bolt B (#752)
2. Raise
the
position
of
lifting crank connecting line (#748) as
you
desire,
3.
Aesetthe
b~
l\
tightly, after
'.'ldjustment.
C.
To
increase the feeding volume
of
order foot.
· -
1:-
·
Loosen
the
adjusting
bolt C. (#733). ·
•.
: .
..
2. Raisa the position ot feed
corr~c~(ng
link
(#732)
as
you desire.
3. Reset th~
bo.lt,
after adjustment. . ' .:' · : _
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