SINGER W173 - Manual (Page 23)

22
TROUBLE CHART
Trouble i Probable Cause
With take-up lever in highest
head back on hinges and remove bobbin
CLAMPS
If Machine
Binds
Thread or lint in
raceway
cover.
3 Remove hook.
4. Clean thread and lint from all parts, in­
cluding race.
5. Run a drop of oil along rim of hooK
6. Replace hook, then race cover. Snap
clamps into place.
7. Srasp threaded bobbin case ®n^
replace, fitting tongue into notch of
cover.
c
»
¥
BOBBIN
CASE
^ i
BOBBIN
^RACE
«
\
/
i
s
LATCH
HOOK
T urn
clamps
RACE COVER
outward and remove race