Bernina 740 Manual - Page 74

should be placed in a room with normal temperature for some time. after which it should be carefully oiled: c) It oil of doubtful quality has been employed, the sewing machine became gummed. If lubrication at the oiling points with petrol does not improve Its condition. the machine must be demounted and cleaned. Thus the mewing machine should be examined by a competent mechanic. General notice To prevent any damage to the presser feet. place n piece of material under same. as far as possible. If the sewing machine will be idle for come time. you should do su alike. In order to avoid thread jamming. make sure that after every sewing operation the thread take-up lever Is raised to its uppermost position. The precaution will greatly help to avoid any trouble. Modification of cosstriottin ea against text end clichés err rent-ca. 73