VERITAS Elastica Instruction Manual Download Page 23 | Manualshive

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19

DIFFERENTIAL FEED

The differential feed has two independent
feed dogs, one front (A) and one rear (B).
Each feed dog has an individual feed
mechanism which enables the feeding of
material at a different ratio.

POSITIVE DIFFERENTIAL FEED

When set for postitve differential
Feed, the front feed dog (A) makes a longer
stroke than the rear feed dog (B).
This has the effect of accumulating
material under the presser foot to offset the
wavering on the fabric.

NEGATITVE DIFFERENTIAL FEED

When set for negative differential
Feed, the front feed dog (A) makes a
shorter stroke than the rear feed dog (B).
This has the effect of stretching material
under the presser foot to offset the
puckering on the fabric.

Differential feed dogs

Positive differential feed

Negative differential feed

A

B

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Summary of Contents for Elastica

Page 1: ...Instruction Manual EN overlock machine ...

Page 2: ...t familiar with this manual must not use the appliance In this manual you will find everything there is to know about possible applications of your sewing machine Should any questions remain unanswered we kindly ask you to turn to your dealer We wish you much pleasure and great sewing successes Questions concerning machine service and customer care DEAR CUSTOMER Service address Veritas Service Cen...

Page 3: ...on or configuration tasks Danger Risk of injury due to defects or modifications The machine must not be modified Repairs must be carried out by the technical service Damage modifications or the use of non original accessories can lead to injuries Defective machines must no longer be used Danger Unsuitable installation sites workplaces can result in accidents The machine must only be operated when ...

Page 4: ...h 6 Never drop or insert any object into any opening 7 Do not use outdoors 8 Do not operate where aerosol spray products are being used or where oxygen is being administered 9 To disconnect turn switch to the off O position then remove plug from outlet 10 Do not unplug by pulling on cord To unplug grasp the plug not the cord 11 Keep fingers away from all moving parts Special care is required aroun...

Page 5: ...ock stitches 13 Setting chart 14 Three thread overlock with one needle 15 Converting to two thread use 15 Narrow and rolled hem picot stitch 16 Adjusting thread tensions 17 Adjusting stitch length Adjusting overedge cutting width Stitch finger B 18 Differential feed 19 20 Foot pressure regulator 20 Sewing with extra heavyweight fabric or multiple layers of fabric 20 Turning outside corners without...

Page 6: ...er thread tension control 13 Lower looper thread tension control 14 Needle thread guides 15 Two thread convertor instruction 16 Threading chart 17 Lint tray 18 Foot control 19 Release lever 20 Foot release lever 21 Spool disc 22 Differential feed control dial 23 Stitch length dial 24 Hand wheel 25 Plug connector socket 26 Light and power switch 27 Front cover 28 Moving cutter 29 Lower looper 30 Up...

Page 7: ... Stitch finger B 3 Needle set option 4 Brush option 5 Screwdriver small 6 Machine cover 7 Screwdriver large 8 Moving cutter 9 Spanner 10 Thread net 11 Tweezers 12 Spool disc 13 Spool holder 14 Accessory bag 6 7 8 11 9 13 12 10 14 1 2 3 4 5 ...

Page 8: ...on This same switch controls both machine power and sewing light When leaving the machine unattended or servicing the machine remove the power line plug from supply outlet 4 OPENING FRONT COVER To open front cover pull it to the right and down towards you 5 OPENING WORKING TABLE To open working table pull the release lever towards you with your right hand and lift the front of presser foot up with...

Page 9: ...to the highest point until you hear it click Place thread spools on pins and draw thread through thread guides on the pole from rear to front Thread guide of pole can hold hread spools on the spool stand by pulling down the pole as illustrated Thread guide Thread guide pole ...

Page 10: ... for small ones use the same rubber spool holders but with the narrow end at the top SPOOL NETS Polyester or bulky nylon threads become loose while unwinding To keep consistent feeding of such threads utilize spool net sleeving over the spool Spool cap Domestic cotton reel Cone type thread Spool holder Spool disc Thread comes off the top Net Net Turn up Spool Spool ...

Page 11: ...h adjusted THREAD CUTTER Thread cutter is built in face cover Draw materials to the rear and cut off excess thread with the thread cutter located on the bottom of face cover as shown CHANGING PRESSER FEET Be sure needle is in the up position Raise presser foot lever 1 Push foot release lever to remove the foot 2 Place the desired foot on the needle plate aligning needle holes 3 Lower the presser f...

Page 12: ...fore especially if it is an unusual colour you should buy sufficient for your requirements FABRIC THREAD NEEDLE Cotton No 100 Polyester No 60 50 Cotton No 60 Polyester No 80 Cotton No 60 Polyester No 80 60 Cotton No 60 Polyester No 60 50 Cotton No 60 Polyester No 100 80 Cotton No 120 80 Polyester No 60 Cotton No 60 Polyester No 80 60 CottonNo 80 60 Polyester No 60 50 Cotton No 60 Polyester No 60 5...

Page 13: ...heel towards you and raise the presser foot Before re threading lower looper remove thread from needle eye first then re thread the lower looper This will prevent tangling STEP 1 THREADING LOWER LOOPER 1 Feed the thread through the thread guide as illustrated 2 Pull the lower thread through tension slot Holding the thread with your left hand pull down with right hand firmly 3 Draw the thread throu...

Page 14: ...d guide as illustrated 2 Pull the upper thread through the slot holding the thread with your left hand 3 Draw the thread through the thread guide as illustrated 4 Pass the thread through wire thread guide and looper eye leaving an excess length of about 4 10 cm 3 1 2 4 ...

Page 15: ...d tension slot Holding the thread with your left hand pull down with right hand firmly 3 Draw the thread through the thread guide as illustrated 4 Thread the needles from front to back throug needle eye and pull the threads towards the back passing along the right side of presser foot leaving an extra length of about 4 10cm 4 3 1 2 ...

Page 16: ...trated seamen s knot 2 Raise presser foot 3 Lower needle bar to its lowest position by turning hand wheel away from you Carefully pull the existing threads until the connecting knots pass through needle eye and looper eyes CUTTING NEEDLE THREAD Frayed thread may make needle threading difficult Draw the thread passing under the thread cutter and turn hand wheel towards you to obtain clear cut end a...

Page 17: ...and feed in test fabric under the presser foot by slightly pushing it forward This can be done with the presser foot down on most fabrics except bulky materials Guide the fabric gently as machine automatically feeds the material 3 Check thread tensions by test sewing on spare fabric See page 17 4 At fabric end carry on running machine at low speed gently pulling the fabric towards the back until a...

Page 18: ...14 1 2 3 4 6 7 8 9 10 11 12 5 ...

Page 19: ...t cover and working table and raise needle to its highest point by turning hand wheel towards you Remove the right needle and use the left needle Please keep the unused needle on the needle pad Pull out the convertor as shown in Fig 1 Attach the two thread convertor onto the upper looper as shown in Fig 2 Fig 3 When not using convertor insert it deep and keep as illustrated in Fig 4 Fig 1 1 2 Fig ...

Page 20: ...itch can be produced particularly when sewing on fine scarflike materials In view of the nature of these hems they are unsuitable for use on hard or heavy materials 1 Raise the presser foot 2 Open the front cover and working table 3 Remove the stitch finger from the needle plate by screw driver and keep it in the front cover as illustrated Model 320 only or in the accessory bag 4 Set the machine a...

Page 21: ...sion and or decrease upper looper tension Fig 3 Needle thread pulled to top side Lower looper thread Needle thread Top side Under side Increase needle thread tension Fig 3 Left needle thread Right needle thread Upper looper thread Lower looper thread Top side Under side Left needle thread loose and visible on under side of fabric Increase left needle thread tension and or decrease either or both l...

Page 22: ... from 4 to 7 mm by simply turning overedge cutting width dial according to the kind of fabric It is set at standard width of 6 mm when delivered from the factory Turn it towards 5 if fabric edge curls while sewing Fig 1 Turn it toward 7 if loops hang off the edge Fig 2 Stitch finger B Loops may hang off the edge when you sew with lightweight fabric using 3 threads right needle only and setting cut...

Page 23: ...feed dog A makes a longer stroke than the rear feed dog B This has the effect of accumulating material under the presser foot to offset the wavering on the fabric NEGATITVE DIFFERENTIAL FEED When set for negative differential Feed the front feed dog A makes a shorter stroke than the rear feed dog B This has the effect of stretching material under the presser foot to offset the puckering on the fab...

Page 24: ...ber to increase or to lower number to decrease pressure SEWING WITH EXTRA HEAVYWEIGHT FABRIC OR MULTIPLE LAYERS OF FABRIC A wide ranger of fabric can be overlocked on this machine but it is recommended to tighten screw as illustrated when sewing with extra heavyweight fabrics or mulitiple layers of fabric Open working table for adjustment Loosen the screw when sewing with light to normal weight fa...

Page 25: ...e turning the fabric Fig 2 TURNING CURVED EDGES For inside curves guide fabric gently with trimming line of the fabric under the right front of the presser foot or a little to the left applying pressure at point A in the direction of the arrow with your left hand and at the same time applying a little opposite pressure at point B with your right hand Fig 3 For outside curves place under the presse...

Page 26: ...nt or rear hole according to the operation see diagrams Figures 2 and 3 in the presser foot and pass it under and to the rear of the foot 3 Place the material to be sewn as normal Start at slow speed observing if cord is feeding correctly and increase speed as needed FOR JOINING SHOULDERS OR SLEEVES pass the cord through the front hole ensuring that it is fixed between the left and right needle th...

Page 27: ...wist or embroidery thread on the lower looper Butted seams using only two threads or using three threads flat seam Place two pieces of fabric wrong sides together and overlock along the edge Unfold and press By using different coloured fabrics and thread a pleasing patchwork effect can be achieved Pin tucking using three threads Fold fabric along a line to be pin tucked and overlock sew along the ...

Page 28: ...t the differential feed control dial at more than 1 3 Gathering Differential feed makes gathering easier on lightweight fabric Use it on waistlines sleeve heads sleeve bottoms and ruffles etc Set the differential feed control dial between 1 5 and 2 to obtain the best gathering effect for your use IMPORTANT The exact adjustment depends on the thickness and elasticity of fabric Even the stitch lengt...

Page 29: ...its lowest position by turning the hand wheel towards you by hand In this position set replacement cutter in position and secure it with screw ENSURING THAT THE EDGE OF THE MOVING CUTTER IS APPROXIMATELY 0 5 MM BELOW THE SURFACE OF THE FIXED CUTTER DISENGAGING MOVING CUTTER If you want to sew without cutting open the working table and disengage the moving cutter by pushing the cutter release knob ...

Page 30: ...IRST DISCONNECT MACHINE FROM POWER SUPPLY BY REMOVING PLUG FROM SOCKET OUTLET 1 Open the front cover and working table Using the brush provided remove dust and lint that have accumulated 2 Apply a few drops of oil to the points indicated by arrows ALWAYS USE A GOOD QUALITY SEWING MACHINE OIL Brushing Oil ...

Page 31: ...esser Foot 1 Incorrect Thread Tension s 2 Bent or blunt Needle 3 Differential feed is set Incorrectly 1 Reset Thread Tension s 2 Insert new Needle 3 Set it at less than 1 Wavering Differential feed is set Incorrectly Set it at 1 or at more than 1 For knitted fabrics Skipping Stitches 1 Improper Threading 2 Incorrect size Needle 3 Bent or blunt Needle 4 Incorrect setting of Needle 1 Reset thread ma...

Page 32: ...l government for information regarding the collection systems available If electrical appliances are disposed of in landfills or dumps hazardous substances can leak into the groundwater and get into the food chain damaging your health and well being ELECTRICAL CHARACTERISTIC DATA 220 240V 50Hz 111W Protection class II EN ...

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