Problems And Remedies - White 404 Instruction Booklet

U
PROBLEM AND REMEDIES
If Machine
Thread or lint in race
Clean
and oil machine
the shuttle
Binds
way
area (See page 39)
Skipping
;
Benlneedlq
1k
Stitches
?A
/
4 Needieplacerjincor
/
tectly in clamp
,
Toofineaneedlefar
t
/
thread bcrng used
j4
Too stretchy fabric
/
Irregu Jar
Upper thread tension
Stitches
too loose
S
A
J
.'-
Improper threading
%,
0'
A
Bobbinnotwound
A
'
'L evepi4t
:
U-nevn
E 9
Pullwg orliolding
A
Stitches
A
matenat
L.
A
_
j A
<
/
/ 14
A >
A
Notenough tension
A
/ 7>
I
orwpper thread
A
1
fl
$
Poor quality threadd
I
4
Needlóoo fine tptrø
thread being Us4
4 A
Upper Thread
'
Refer to tbreadrng instructions see
-
mproperly threaded
pagel3 and rethread machine
Too much tension
Loosen upper thread tension 4
(Seepagel8
)
Starting with take up
Always start sewing with take-up lever
in incorrect posttiofl.
in highest position.;
Improper setting of
Refer to needle setting
iflSttUCtiOflr
see
neec$le
page1O
&/
A
Bentoreyeofnee
tryanewneec1l
A
too sharp
Discard all blunt or bent needles and
Bent or blunt needle
replace with new.
Material
Tensions too tight
See tension adjustment pageig
Puckering
Dull needle
Chanae needle
A
Stitch length too long
Reduce stitch length
Machine noisy
s h
£
is set at other than
Set stitch length control at NumberS
notieeuip
Numberb
7 /4
stretch stitching
7
4.
.4'•../7:4A/4
.
Improper"
/
tint in fDed dog..
Rwn9ve needle plate and cleaz Irn
corn
feeding
4eedclog
7
41