Singer CG-500 Commercial Grade Instruction Manual 2 - Page 32

Adjusting thread tension Whenanevenamountoftensionisexertedon boththreads,asmoothevenstitch,knownasa balancedstitch,isproduced. Correcttensionisimportantbecausetoomuch ortoolitlewillweakenyourseamsorcauseyour fabric to pucker. Makeatestsamplewiththe fabricandthreadyouplantouseandexamine it. Aperfect,wellbalancedstitch(1)willhavethe needleandbobbinthreadslockedbetweenthe two layers of fabric with no loops o n t o p o r bottomandnopuckering. Too muchtensionwillproduceatightstitch(2) whichwillcausethefabrictopucker. • To decreasetension,turnthedialtoalowe r number. Too little tensionwillproducealoosestitch(3) whichwillcauseloopsinyourseam. • To increasetension,turnthedialtoahigher number. 30 Surjet (Machineavec10points) Vouspouvezenuneseuleopérationcoudreet surjeter les coutures des tissus extensibles, jerseysettricots. • Batissez l'ouvragesur la lignedecoutureen laissantunevaleurcouturede1,5cm. Réglagesrecommandés Sélecteurdepoint:Surjet(C) Positiond'aiguille: Largeurdepoint: 12 3 4 5 Longueurdepoint: Symbole( ) Piedpresseur: Universel(B) Plaqueàaiguille: Universelle(A) • Recoupez la couture à 6mm de la ligne de piqûre. • Placezlacouturesouslepiedpresseurpour que lespointsdroitstombentsurlebâtidela coutureetlespointszig-zagsurleborddela couture. 63