Singer 66-18 - Troubleshooting Common Issues

,i
HINTS
Belt.
See that
the belt has
the
correct
tension.
'l'his
tension should
be onll.
enough
to keep
the
belt
from slipping.
If the
helt tcnsion
is incor.rect,
looscn
the scrov
(A2,
Fig. 19)
about
one tuln and
aliou'the
motor
to drop dorvn*-arcl
until thc belt
has
the
colrr:ct tcnsiorr,
tircn tightcn
thc
screrv.
Machine Working
Heavily.
If
thc machine
runs
hard
aftel standing
idle
for sorne
time,
use a little
kerosene
in
the oiling
places,
run
the machine
rapidly,
then ri'ipe
clean
and oii.
To Avoid
Breaking
Needles.
See that
the
pre-ssel
foot or attachments
are
seculell. fastcned
by
the thun'rb screu'. I)o
not
ses- heavl-
ieams
ol' vel'y
thick_good--* ri'ith
too finr.
a
re*tllo.
A
krgc rrelclle
and threail to
colre,spond
should
be used irn
ireavv
\York
(see
page
60).
See that the needlc is lot
beut,
and avoid puiling
tlrl matlrill
\\hln siitclr.lrg
Breaking
of
Needle
Thread.
If
the needle
thread
break-s, it rnav be
causcd by:
fmproper
thrcading.
Tonsion
boing too tight.
Tho thread being
too coarse for
size of needle.
Thc
needle
being bent, having
a blunt point,
or neecile
sct incolrc'ctlv.
Tlrlead
lake-up
spring bcnt.
Breaking
of Bobbin
Thread. If
ihe bobbin
thread
hreaks,
it ma1,
bc caused by:
Impropel
thrcading
of
bobbin case.
Tension
bcing
too tight.
Skipping of
Stitches.
The
nccdle nar.
not
be
accuratel5,-
iet
into
the
needlo
ber ol the n""dl" ,',ay
be blunt
or bent.
Thc needle mav bc too srnall fo'
the thread in
use. Thread
take-up spring
rn:r1'be
hcnt
or incorrectly
adjusted.
Free
Instruction
for
using the
machine
is
gladly
g;ven
rt
any
Singer Shop.