Table of Contents
Advertisement
ADJUSTMENTS
The sequence
of
ad justments
outl
in
ed on th
i
s
poge
should
be checked and
made
in
th
e
ord
er
given
to ovoi
d
confusi
on
ond unnecessary
repetition.
I STOP MOTION ADJUSTMENTS
A. Arm Shaft
I.
Adjust for
end
play
B. Storhng Lever
1.
Set
clearance
between inlerlocking
arm
and
machine
pul ley
2.
Adjust
arm
stop
C.
Engaging a rm
1.
Adjust to
obtain
correct
"V" belt
tension
D.
Tripping Linkage
1.
Adjust
ro<:k shaft
support
for binding
2.
Set clearance between bell
crank ard pawl
II
KNIFE ACTUATING AND CL
AMP LIFTING
ADJUSTMENTS
A. Safety
Devices
1.
Set
Lilting
Arm
Lug
2.
Adjust lifting lever pawl to
cloor
engaging
surface
on
lift ing lever
3.
Set Clamp lifter
stop
B.
Tension
Releo$er
1. Posttion tension regulator
2.
Set lifting li,k connecloon
3.
Set
lihing
arm to
release tension
C.
Work
Camp Foot Lifter
1.
Position
lifter
beneath
arm
hook
D.
Thread
Wiper
1. Set
wiper
support
2.
Pos
ition
wiper
wire
E.
Thread
Pu
11-off
Loop
1.
Adjust
tension
on spring
Ill FEED MECHANISM ADJUSTMENTS
A. Feed O.iving Gears
1.
Check alignment of
t1ming
marks
2. El iminate play in gears
B.
Feed Linkage Adtustment
1.
Ce
nter a
nd position
lateral
feed
linkage
2.
lnercose
or decrease
lotorol
movement
of
feed bar
3.
Center
and
posuion
long•tudinol
feed
link-
age
4.
Increase
or decrease longitudinal
move·
ment of
feed
bar
C. Feed
Timing
Adjusrment
1.
Time
longitudina
l
feed movement
2.
Ti me
lateral
feed
movement
8
IV
TRIP
PING POINT$
ADJUSTMENT
A
.
Set timing
to actuo1e
•ntcrlodcing
arm
V STOP MOTION BRAKE ADJUSTMEHn
A.
Obtain brako
clearance
B.
Adjust broke prtssuro
VI
SEWING
MECHANISM
ADJUSTMEI-ITS
A. Sewing
Hook
1.
Set longitudinal
pasitton
2.
Timehook
B.
Nee<lle
Bar
I.
Set Needle Bar Height
VII
REEL
WINDING
ADJUSTMENTS
A.
Winding Linkage
I.
Adjust
thread clomptng
action
B.
Reel Driver Tr pping Points
1.
Set tripping
point
for
"full
pinch"
2.
Adjust
Extension
for
durolton of pinch
C.
Pre·
T
e"'
sian
I.
Adj•st
to atd in
reel winding
VIII
THREAD
STRIPPING AND
RETRACTING
ADJUSTMENTS
A. Finger Plate Fo
ll
ower
1.
Set
to actuate
stripper
finger
B.
Sttipper finger
1.
Adjust to remove
unused
reel
thread
C. Retracting Finger
1.
Adjust to pick up
reel
thread
D.
Tension
Releaser
1.
Re-check
I
X
ADJUSTMENTS UNDER THROAT PLATE
A.
Reel
Holder
Position
Stop
B. Trimming
Knives
I.
Set
movable and odtustablo knives
2.
Time knives
3.
Adjust knife pressure
C.
loop Pick-up
Finger
1.
Posi
tion operating lover
2
.
Set loop
pick-up
fingor
Advertisement
Table of Contents
