FULL
DEPTH
OF
REAR
TEETH
FEED
DOG
\ FEED
DOG
SCREW
STRAIGHT
EDGE
THROAT
PLATE
Fig*
42.
Feed
Dog At
Correct
Height
LOCK
NUT
STOP
SCREW
ROCK
SHAFT
CRANK
CLAMP
SCREW
Fig. 43. Setting the Feed Dog
ROCK
SHAFT
LOOPER
HOLDER
CRANK
'l
'
-y
- -•
Nr
COLLAR
SET
SCREWS
/ •
CRANK
CLAMP
/
FEED
BAR
SCREW
E
FEED
DOG
CLAMP
SCREWS
CARRIER
SCR
CRANK
CLAMP
SCREW
D
Fig. 44. Centralizing the Feed
Dog
SETTING
FEED
DOG
AT
CORRECT
HEIGHT
Feed dog height adjustment should be made with
machine
set
for longest
stitch
{See
Page
8). At
this
setting,
the
full depth of rear
teeth
of feed dog should
project
above top surface of throat
plate,
os shown in
Fig.
42.
Height
of feed dog is determined by
height
of
stop
screw
shown in
Fig.
43.
To adjust feed dog height, loosen feed dog screw
shown in Fig. 42 and loosen lock nut on stop screw.
Fig. 43.
Raise
or lower stop screw as required to
obtain correct
height.
Then
securely
tighten lock nut
and feed dog
screw.
SETTING
THE
TILT
OF
FEED
DOG
Front of feed dog may be
tilted
up or down to obtain
an even flow of both plies of material under the press-
er
foot.
Loosen clamp screw shown in Fig. 43 and I'aise
or
lower
rock shaft crank to tilt feed
dog
up or down.
Then tighten clamp screw securely.
CENTRALIZING
FEED
DOG
Feed
dog should never
contact
edges
of throat
plate
slots.
Sidewlse
Setting
To move feed dog toward left or right, loosen two
feed bar
clamp
screws, crank
clamp
screw D and
four
collar set screws shown in Fig. 44.
Adjust feed dog carrier so that feed dog
moves
in a
line
midway
between sides of throat plate slots. Then
align
rock
shaft
crank
with
feed
dog
carrier. Securely
tighten all
screws.
Lengthwise
Setting
To
move
feed
toward
front
or
rear
ends
of
throat
plate
slots,
set
machine for longest stitch, as instruct
ed on Rage 8. Loosen crank clamp screw E, Fig. 44
and move feed dog
carrier
as
required to
centralize
feed dog midway
between
front and rear
ends
of
throat
plate
slots.
Securely tighten crank clamp screw E.
TIMING
THE
FEED
DOG
Feed eccentric
shown
in Fig. 45 should be
set
so that feed dog
starts
its feeding movement
immedi
ately ofter needle leaves material and stops before
needle
re-enters
material
on
downward
stroke.
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