Sears 17840 Sewing Machine User Manual


 
_chino skips ititchH
Needle size Is not correct for thread and
fabric,. See page 8,
Fabric is certain knit or synthetic, Use
"0 NEEI)L£",,end "O FOOT",..
Needle labent or blunt. Replace needle,
Needle le not |ll the way up into needle
clamp.- See NOLO,
Top thread tenlion Is too tight. Decrease
top thread tension,
Pellet foot prenure is tOo light, - See
pag117,
4d{e |breed b!lekl
Machine il Itlrtad too flit, Slam to itttch
it i rrldtum Iplad.
Machine la not threaded correctly, See
_ga 12,
Op thread tension Is too tight. - See
page 18,
Needle size is' not correct for thread and
fabric,, See page 8,
Eye Of neadla him iharp id_. - Replace
needle,
There ere nicks or burrs tt needleplete
opening,. Replace needlaplate or amooth
burrswith eMtrafine Emery cloth,
bbin thread trellis
Bobbin _se kl not threaded correctly,- See
page !1.
Lint accumulates In bobbin case or lhuttle,
• See page 61,
hln, does rm! finedfabric
Presser foot preHure la too light, - See
page 17.
Thread Iskn_ltd under fabric,
Feedcover plata Isattached on rleodle plate,
Remove feed cover plate,
chine Jams
Thread Iscaught in !hurtle, Remove bobbin
caseend clean ihUtlla {lee page 51),
Needle Isdamugl!_d.. Replace rvledlo,
Needle plate ti b_flt, Replace needle plate,
_chinewill not operlta
Hand wheel ti t_ot returned to stitching
position,- Pushin clutch,
Power cord la not connected,. Check plug,
Power/light switch II turned off, - Turn on
the awitch,
155