OVERVIEW10Your machine is pre-set to sew an overlock with a chain stitch. The upper blade is engaged to cut the fabricwhile sewing. Of course, you may select to engage or disengage the cutting blade. You can change the bladecover to the sewing table and lock the upper looper down when sewing only the chain stitch.down upABCEDCutting Blade Lock SwitchCutting blade cover and sewing tableUpper looper positioning leverTo lock cutting blade down:Turn the dial clockwise 180 degrees to see "LOCK" on the top.The cutting blade will stay below the needle plate for non-cuttingtechniques.(Fig. A)To re-engage cutting blade:Turn the cutting blade lock switch half of a turn counter-clockwise. The bladewill start moving automatically when you start sewing.Cutting blade cover can be changed to sewing table for chain/cover stitching.a) Open front cover and cutting blade cover.(See page 9, F & G)b) Gently pull toward you to unsnap cover (Fig. B) and snap sewing table intoplace (Fig. C).c) Lower the upper looper positioning lever down (Fig.D).d) Close the sewing table door and then the front cover. (Fig. E)When you change from overlocking to chain/cover stitching, you should alsochange the upper looper positioning lever to the "DOWN" position before youclose the sewing table door.a) Turn the handwheel until upper looper is at its lowest position.b) Change the upper looper positioning lever to the "DOWN" position. (Fig. D)c) Close the sewing table door and then the front cover. (Fig. E)Note: Make sure the upper looper positioning lever is in the "UP" position priorto locking the machine to thread the upper looper.