FULL
DEPTH
OF
REAR
TEETH
FEED
DOG
FEED
DOG
SCREW
STRAIGHT
EDGE
THROAT
PLATE
Fig. 42.
Feed
Dog At Correct Height
'Tjf—x—-
©f/V/
LOCK
NUT
STOP
SCREW
ROCK
SHAFT
^
CRANK
CLAMP
SCREW
Fig. 43. Setting the Feed Dog
ROCK
SHAFT
LOOPER
-
HOLDER
CRANK
COLLAR
SET
SCREWS
il
I ff;
/ V'
/
CRANK
CLAMP
\
/
FEED
BAR
SCREW
E \
FEED
DOG
CLAMP
SCREWS
CRANK
CLAMP
CARRIER
SCREW D
Fig. 44. Centralizing the Feed Dog
SETTING
FEED
DOG
AT
CORRECT
HEIGHT
Feed
dog
height
adjustment should be mode 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,
as
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 r'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.
Sidewise
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 Page 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 after needle leaves material and stops before
needle
re-enters
material
on downward
stroke.