4-4) Adjusting
Presser
Foot
Height
and
Timing with
Needle
Adjust presser
bar
height
so
that
the
clearance between throat
plate (
1740
1
2)
and
pres.c;er
foot
(1
72301) is
4mm,
as shown
in Figure
6,
when
presser
foot
is
in the lowe5t position . To
adjust, loosen screw (a)
on
presser
bar
spring adjust.
Timing
of
presser
foot
and needle
is
as
follow
s. Adjust
the
position of
eccentric
cam
so that presser foot is in the lowest
position when needle
is
in
the lo
west
position.
The
angle of
set
screw
(c)
is
45 degrees ag
ai
nst
upper
shaft as shown
in
F
igure
6.
Sec
ure
the
cam
in
position
with set
scre
w (c) after
the
ad
justment.
4·5)
Ad
j
ust
ing Presser Foot Pressure
Move
pres
ser
har holder
so
that presser
bar
spring
is
45mm
long as shown in Figwe 6.
Do
not tighten
sc
rew
(b)
of
presser
bar holder until
the adjustment is
co
mplete .
....L..-ff.Bl,~-b
3/16S32011
i.l
5
4.
Adjustment/•
ll
~.:r.~
(
172301
)
Q:>~tsii
, Fig6"t'ff-:-tiffitJ~.:r.~-nt8:~
~:6{
-'.)f..:1
.ii:
tl-rit~
( 174012)
O)J:
iffi
J:
tJ~.r.~Q)
Tiii
Q:>?.'f°"°1.l:4mm,::~~J:-j
l:
flll.:x.~Q)itjcltrJH~
:L-
i-t
o
~flJj#,:li,#.:C..A:f
1
J::,,~J1UiJQ)~~
(a)
~~~
-C~
~
L.
-C
""f
~It
'o
*1:f!l!.:r.iic!H::O)? { ~::,,~-c'"t~i,
~t1,1f-4t:1i>
~iJ'-::,t.:f
tz:
11
i:,
ni
.:r.~Mt t
~i.Jr-'.)t..:·
fitt11
:
<,Q
.tJj
~:.:r.-t--t
:;,,:tJ.t..~wll
.L.,+
Q:>i;c-fO)-t-;.,l-
-i-Y
(c)
HIH:ttt-r
T~v'oF
ig6~
JFT
J:
-)
1.:
,..t.
.f,n.:;tt.,
-c45
·
~.:t.i:tJti"
o
4·5)
t'fl
I
'.iit
ff
Q)iJJ.
Fig6~ff-1" ::ffil')ttjl.:r.~;;t.. 7
1
J ::,,~
i){45mm
,.:~;.,.t '?4.:~;r.
w
7":f'Q)
.t,
'Y
(b)
~i,oc
~
I..,
-c'
¥jl..r.
;ff:7'-t-llJ.11,)'
l., -c~ ~
L-C""f~v
'o
4mm
1F1
9
.a
From the Library of Superior Sewing Machine & Supply LLC
To Next Page
Loading...
