Brother International LK3-B430 Service Manual - Page 41

wrong.

Page 41 highlights

"." •1.144:k ti Start position is incorrect. Faulty start Feed cam position is wrong. Feed cam position wrong. ! Start stopper position is i Ball presser plate position dClutch cam timing Excessite shock at stop Brake spring pressure Deceleration is not enough at 'low speed. ----I Brake shoe clearance -:,-;-.• t.Nr,a,f; .... •,z*r.p. ... vini. :,:-..."ss. ^..,' •n c:- '''.- Match heed cam mark in with bed mark. 35 Adjust start stopper position. 29 Adjust clutch cam timing. 28 Adjust brake spring 30 pressure. Adjust brake. 29 d Ball presser plate Adjust ball presser plate position. 27 Thread wiper interferes with T sy Thread wiper does not! needle. I operate properly. L Thread wiper position is wrong. Clearance between thread wiper and needle point -i Adjust thread wiper height. 34 Thread wiper position Adjust thread wiper stroke. 34 Lower thread is wound, 1 Lower thread tension unetenls. bracket position is wrong. Lower thread tension bracket position Adjust lower thread tension bracket position. Lower thread is not wound' enough. Bobbin presser position is wrong. Thread volume Adjust bobbin presser position. _I Main tension release timing is wrong. Clutch cam timing Adjust clutch cam timing. 28 thread slips out. Needle thread length is uneven. Roller shaft disengaging timing Adjust start loser position. 28 Thread lake-up lever stroke is incorrect. Thread take-up lever stroke Adjust thread take-up lever stroke. 33 -41 -

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1.1
44
:k
ti
Start
position
is
incorrect.
Faulty
start
Excessite
shock
at
stop
Feed
cam
position
is
wrong.
!
Start
stopper
position
is
i
wrong.
Deceleration
is
not
enough
at
'low
speed.
Thread
wiper
interferes
with
T
needle.
s
Th
y
read
wiper
does
not!
I
operate
properly.
L
Thread
wiper
position
is
wrong.
Lower
thread
is
wound
,
1
Lower
thread
tension
unetenls.
bracket
position
is
wrong.
Lower
thread
is
not
wound'
enough.
th
read
slips
out.
Bobbin
presser
position
is
wrong.
_I
Main
tension
release
timing
is
wrong.
Needle
thread
length
is
uneven.
Thread
lake
-up
lever
stroke
is
incorrect.
"."
-:,-;-.•
t.Nr,a,f;
....
•,z*r
..
p...
vini.
:,:-..."ss.
^..,‘
n
c:-
'''.-
Feed
cam
position
Match
heed
cam
mark
in
with
bed
mark.
35
Ball
presser
plate
position
Adjust
start
stopper
posi-
tion.
29
d
Clutch
cam
timing
Adjust
clutch
cam
timing.
2
8
Brake
spring
pressure
Adjust
brake
spring
pressure.
30
----I
d
Ball
Brake
shoe
clearance
Adjust
brake.
29
presser
plate
Adjust
ball
presser
plate
position.
27
Clearance
between
thread
wiper
and
needle
point
Adjust
thread
wiper
height.
34
—i
Thread
wiper
position
Adjust
thread
wiper
stroke.
34
Lower
thread
tension
bracket
position
Adjust
lower
thread
ten-
sion
bracket
position.
Thread
volume
Adjust
bobbin
presser
position.
Clutch
cam
timing
Adjust
clutch
cam
timing.
28
Roller
shaft
disengaging
timing
Adjust
start
loser
position.
28
Thread
take-up
lever
stroke
Adjust
thread
take-up
lever
stroke.
33
—41