Brother International BM-917B Instruction Manual - English - Page 17

8. PREPARATION BEFORE SEWING 8-4. Vertical feed and transverse feed positioning CAUTION Turn off the power switch before carrying out vertical feed and transverse feed positioning. The machine may operate if the pedal is pressed by mistake, which could result in injury. * The motor will keep turning even after the power is switched off as a result of the motor's inertia. Wait until the motor stops fully before starting work. Button thread hole gap Set the vertical feed and transverse feed positions as described below. * The standard feed plate is for button thread hole gaps of 2 to 3.5 mm. For button thread hole gaps of 4 to 6.5 mm, use the accessory feed plate (sold separately). (Refer to P.24.) 1984M While pushing the vertical feed lever (1) down, align the arrow (2) with the mark (for buttons with two thread holes) or the button thread hole spacing (scale indicator) (for buttons with four thread holes). 1985M 1987M At the sewing machine stopping position, loosen the nut (3) and align the index mark of the transverse feed plate (4) with the button hole spacing (scale indicator). 1986M 11 BM-917B, 917C