Bernina Aurora 430 Manual - Page 9

2 afizsrc) c-Ff5U7.,5 _Mita INSERTING BOBBIN AND CASE INTO MACHINE INSERTING BOBBIN INTO CASE Open hook cover as illustrated. (1) a Insert filled bobbin into cose os decoded. (2) Holding the hinged latch (3) insert bobbin and case into the hook making sure the finger "A" is locoted inside the section "8" ('1) lecneobout glernIrl")of thread from-mix:bobbin coseandalways ensure that the needle is erased to its highest position when removing or inserting the bobbin. BOBBIN THREAD TENSION Measure the bobbin thread leittiOn by suspatchng the wound bobbin in its case by the end of the thread. If the bobbin does nol more when His gently swung, the tension is toolight, if if falls to the ground or moves down foci freely, it is too loose. Correct tension is obtained when it slips down o few inches (oPlutox. 10 ern). ISI Note:IIis not norPolly necessarylaadfuslbobbin thread tension. It is usually only necessary to adjust the top thread tension when some alteration is desired. See pages 9/10.