Baby Lock A-LINE Lauren BL450A Spécifications

8threading the lower looperSwing the extension table, with free arm attached, out to the left. Thread lower looper thread as illustrated belowin steps

9easy thread changing -Tying On method1. Cut the thread near the spools.2. Exchange the spool with a new one and tieend to remaining thread making kno

10BEFORE STARTING TO SEWWhen the machine is plugged in properly and threaded correctly it is ready for sewing. To insure good stitches,make several se

11Increase Left Needle ThreadTension and/or DecreaseUpper and Lower LooperThread Tensions evenly.OVERLOCK SEWING (2-needle, 4-thread)Your machine will

124 5SETTING STITCH LENGTHThe stitch length can be adjusted between 1 and 4 mm.• For shortest stitch, turn dial to 1. (fig.12-A)• For longest stitch

13ADJUSTING THE PRESSURE ON FABRICOVERLOCK SEWING(1-needle, 3-thread )This machine can also sew 1-needle, 3-thread overlockstitching by removing eithe

14NARROW AND ROLLED HEMMINGBy changing the needle plate to “Rolled Hem Needle Plate” and using right needle only, the machine trims fabric,folds back

15thread tension -Method AUse the chart below as a guide in setting tension.The tension adjustments for Method A are the same as 1-needle, 3-threadove

161. Open the front cover androtate the handwheel to bringthe upper looper to its lowestposition.2. Cut the upper looper threadjust behind the eye of

17thread tensionWhen you are doing two threadserging for the first time use amedium weight fabric to sew a testsample for determining the correcttensi

INSTRUCTION AND REFERENCE GUIDEThis sewing machine is intended for household use.IMPORTANT SAFETY INSTRUCTIONSWhen using a sewing machine, basic safet

18changing the presser footREMOVING THE PRESSER FOOT1. Turn the handwheel toward you until the needle is at its highest point.2. Lift up the presser f

196. Lower the presser foot and sewhem, guiding fabric evenly alongthe plastic guide.7. When hem is completed, openthe fabric and press hem.CORRECT TH

20FLATLOCK SEAMUsing the blind hem presser foot and disengaging the upper blade, you can sew decorative top stitching “FlatlockSeam” as shown on the s

21PIN TUCKINGPin tucking is a useful decorative stitchfor blouses and children’s wear.Set the machine controls as shown onthe right.sewing1. Fold fabr

22TURNING CORNERSoutside curvesThe machine can continue sewing when rounding acurve. There is no need to stop the machine and pivot.Push excess fabric

23cleaningFabric, thread scraps and dustmay accumulate around movingparts and effect the functioning ofmachine.Unplug cord and clean machinewith the b

24BEFORE YOU CALL FOR SERVICEYour new serger was carefully inspected and tested at the factory and was in perfect working order whenshipped.Under norm

4 54 - 54 5STITCH(Correct thread tension)NEEDLE NEEDLE PLATE SEAM WIDTH STITCH LENGTH6.2-7.2 mm(align 4-5 mm line)Both Standard6.2-7.2 mm(align 4-5

62180 BL450A B8

1Stitch length 1-4 mmDifferential feed ratio 0.7-2.0Seam width Left needle: 6.2-7.2 mm, Right needle: 4.0-5.0 mmNeedle bar stroke 27 mmPresser foot Hi

2GETTING TO KNOW YOUR SERGER18. Differential Feed Indicator19. Stitch Length Regulator Dial(outside dial)20. Differential Feed Regulator Dial(inside d

31. Place thumb in hollow of front cover and slide it tothe right as far as possible; pull cover down towardyou.2. To close, lift cover up and it will

4Oiler BrushScrewDriverRolled HemNeedle PlateThread NetsAccessory CasePower LinePlugFootControlELECTRICAL CONNECTIONConnect the electrical cord to the

5INSERTING THE NEEDLESelect the proper type and size needle for fabric used. (See below “NEEDLE, THREAD AND FABRIC CHART”.)1. Turn electrical power of

6THREADING THE MACHINEWhen threading, be sure to follow the directions given below. The machine must be threaded in the propersequence in order to sew

7threading the upper looperOpen the front cover and thread upper looper thread as illustrated below in steps 1 to 9.Follow thread guides with green co