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Service Manual

104 72 72-26

Made in Sweden
11 Aug 2010

Содержание E10

Страница 1: ...Service Manual 104 72 72 26 Made in Sweden 11 Aug 2010 ...

Страница 2: ...the feeding direction 11 Height of needle bar 12 Turning movement of the needle in zigzag and the play of the worm gear 13 The centre position of the needle in straight stitching 14 Needle position of zigzag 15 Play of arm shaft 16 Clearance between needle and hook 17 Play between shuttle driver shaft gear and lower shaft gear 18 Distance adjustment between shuttle driver shaft gear and lower shaf...

Страница 3: ...ps type Needle threader No Needle plate Screw fixing type Upper thread tension adjust device Top of upper plate inclusive turning knob Bobbin winder Self releasing with automatic stop Reverse Press down type Press bar pressure regulating device Option Kinds of stitches 19 Dials 2 Stitch length adjust device Dial type Max length of stitch mm 4 2 Max width of zigzag mm 4 6 4 8mm Face plate upper pla...

Страница 4: ...8 Bobbin stopper 9 Stitch length dial 10 Stitch display 11 Reverse sewing lever 12 Spool pin 13 Bobbin winder 14 Hole for second spool pin 15 Hand wheel 16 Patten selector dial 17 Power switch 18 Main plug socket 19 Bobbin thread guide 20 Upper thread guide 21 Handle 22 Presser foot lever 23 Foot speed control 24 Power cord 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ...

Страница 5: ...f external parts Face cover Remove the screw a Remove the face cover Free arm cover Remove the screw b and free arm cover Base cover Lay down machine Remove 3 screws c d e Remove free arm base cushion rubber f Remove the base plate a b ...

Страница 6: ...6 104 72 72 26 Back cover Remove the face cover free arm cover and base cover first Lift handle and remove 4 screws g h i j Loosen screw k about 3mm Remove the back cover ...

Страница 7: ...6 7 Front cover Remove the face cover free arm cover base cover and back cover first Remove the screw l Loosen screw m about 3mm Remove the pattern selector dial Remove the front cover following direction of arrow ...

Страница 8: ...ion spring The lower thread tension should be between 25 and 40 grams when pulling the thread in the direction of A Adjustment 1 If the lower thread tension is too tight turn the adjusting screw in the direction of C 2 If the lower thread tension is too loose turn the adjusting screw in the direction of D A D C ...

Страница 9: ... standard upper thread tension should be between 60 70 grams when pulling a cotton thread 50 2 or synthetic fiber thread 100 35 with the tension dial at 4 The presser foot should be lowered when checking the upper thread tension Adjustment 1 Remove the face cover and the front cover 2 Turn the adjusting nut B in the direction of C when the upper thread tension is too tight Turn the adjusting nut B...

Страница 10: ...mp bracket 3 Raise the presser foot lever and loosen the 3mm Allen screw E on the side of the presser bar holder Adjust the distance between the zigzag foot C and the needle plate D to 6 0 6 2 mm 4 Tighten the screw E securely 5 Attach the lamp bracket and face cover NOTE When you tighten the screw E make sure that both sides of the presser foot are parallel to the feed dog slots F on the needle p...

Страница 11: ...over 2 Set the pattern selector dial to straight A 3 Set the needle so the needle eye is just above the needle plate 4 Loosen the 2mm Allen screw A of needle bar supporter E 5 Move needle bar supporter E forward backward to adjust needle Backward C to move needle forward Forward B to move needle backward 6 Set the point of needle so it passes through the centre of the needle hole D in the feeding ...

Страница 12: ...e cover 2 Set pattern selector dial to straight A 3 Remove the shuttle hook holder 4 Set needle at its lowest point 5 Loosen 2mm Allen screw A of needle bar bracket 6 Adjust height of needle by moving the needle bar upward downward 7 Stop at the position when the point of the needle and bottom surface of shuttle hook will align 8 After adjustment tighten screw A of needle bar bracket 9 Re assemble...

Страница 13: ... at Max 3 Turn the hand wheel to set the needle bar at the right needle position 4 Loosen the 2mm Allen screws a b 5 Insert the Allen key into one of the Allen screws a b 6 Turn the hand wheel so that the needle tip comes 5 10 mm above the needle plate G in upward travel as shown If needle flow is less than 5 mm turn arm shaft worm gear D toward back K If needle flow is more than 10 mm turn arm sh...

Страница 14: ...e centre of the needle hole D in the needle plate Adjustment 1 Set pattern selector dial to straight A 2 Remove plate A 3 Loosen screw a than adjust screw nut b Clockwise needle moves right Counter clockwise needle moves left 4 Make sure needle drops on middle of needle hole 5 Tighten screw a and attach plate A NOTE This adjustment affect Buttonhole the columns cutting space adjustment D C ...

Страница 15: ... equal Adjustment 1 Remove the face cover 2 Set the pattern selector dial to zigzag C and maximun width 3 Lossen screw A 4 Adjust needle position by turning screw B of zigzag regulator crank Clockwise needle moves right Counter clockwise needle moves left 4 Re check so the distance between both ends of the needle hole on the needle plate and the needle drop positions is equal 5 Attach the face cov...

Страница 16: ...ws a b of arm shaft collar A 3 Pull hand wheel backward 4 Push arm shaft collar A to left tightly against arm shaft bushing B and then fasten and secure screws a b 5 Re check the distance between arm shaft collar and arm shaft bushing NOTE Be sure arm shaft operates smoothly after adjustment Arm shaft collar and arm shaft bushing being too tightly closed might cause insufficient operation of arm s...

Страница 17: ...ings to right stop at the position when point of the needle and shuttle hook align 4 Loosen screws a b of open shuttle race 5 Move shuttle race B forward backward to adjust movement Forward tighten the distance Backward lengthen the distance 6 Make sure space between needle and tip of hook is 0 0 07mm 7 After adjustment re tighten the screws 8 Re assemble shuttle hook holder and covers NOTE This a...

Страница 18: ...t gear 5 Insert shuttle hook and check Timing of Needle and Hook 6 Re assemble free arm cover shuttle shuttle hook holder and bobbin case Adjustment of timing between shuttle driver shaft gear and lower shaft gear 1 Loosen 2mm Allen screws a b of shuttle driver shaft gear 2 Remove shuttle driver shaft gear A 3 Set needle to its lowest point At this position the flat side of rear end of the shuttle...

Страница 19: ... lifting rod cam Push feed lifting rock cam A to right 2 Push lower shaft gear B to left tightly against shuttle driver shaft gear complete C 3 Push feed lifting rock cam A back toward left and secure it tightly 4 Avoid over tightening shuttle driver shaft gear and lower shaft gear If gears are to tight then the torque will be big ger causing noise and shaking NOTE This adjusting affect Play betwe...

Страница 20: ...3 Remove shuttle hook holder 4 Set needle bar at its highest point and loosen the 2 5mm Allen screw a of crank connecting rod crank 5 Set needle bar at its lowest point when it swings to left 6 Loosen the 2 5mm Allen screw b of crank connecting rod crank 7 Turn shuttle driver to adjust timing of needle and hook 8 Tighten the screws of crank connecting rod crank when clearance between point of hook...

Страница 21: ... correctly with marking of arm shaft B Adjustment 1 Remove the face plate free arm cover base plate back cover and front cover 2 Loosen screw a in the feed cam A 2 Turn the feed cam A until the the line in it comes right in front of the line in the arm shaft B 3 Lift needle to its highest position 4 Loosen screw b and make sure hair line marking on feed lifting rock cam C match correctly with mark...

Страница 22: ...stment 1 Turn the hand wheel until the feed dog comes to its highest position 2 Remove the lower free arm cover 3 Turn the adjusting screw a so that the feed dog height is between 0 9 mm to 1 05 mm from the surface of the needle plate A Clockwise the feed dog will be raised Counter clockwise the feed dog will be lowered 4 Attach the lower free arm cover ...

Страница 23: ... Turn hand wheel to move feed dog forward and backward 3 The feed dogs shall not at any point touch the needle plate in the back side or the front side Adjustment 1 Remove the base cover 2 Loosen screw a of feed rock crank 3 Moving feed dog forward backward until it is centered in the needle plate 4 Tighten screw a after adjustment 5 Attach covers ...

Страница 24: ... Turn hand wheel to move feed dog forward and backward 3 The feed dogs shall not at any point touch the needle plate in the left side or the right side Adjustment 1 Remove the face plate free arm cover base plate and back cover 2 Loosen screw a b Move feed dog left right to middle position 3 Tighten screws a b after adjustment 4 Attach covers ...

Страница 25: ...and front cover 2 Set pattern selector dial to D stitch length dial to Sl 3 Put a piece of paper under the presser foot and turn the hand wheel to check the needle drop position in forward and backward feeding 4 Loosen the set screw a and adjust the regulator nut b 5 If the stitch gap is too big J turn the regulator nut b clock wise too tight K turn the regulator nut b counter clock wise 6 Attach ...

Страница 26: ...nt 1 Remove plate A 2 Loosen screw a then adjust screw nut b 3 Make sure cutting space is between 0 3 0 5mm At this moment the hairline of the screw nut is positioned where the arrow pointed 4 Tighten screw a and attach plate A NOTE This adjustment affect The centre position of the needle in straight stitching adjustment ...

Страница 27: ...ength dial to 0 5 to 1 2 Sew the right side by setting the selector dial at and then the left side by setting at 3 Remove circle plate A 4 Loosen the 6mm screw nut a and adjust screw b If the right row is denser A turn the adjusting screw a counter clock wise If the left row is denser B turn the adjusting screw a clock wise 5 After adjustment tighten screw nut a 6 Attach the plate A A B ...

Страница 28: ...pattern selector dial to 2 Set stitch length dial to 0 5 to 1 3 Sew a buttonhole to check if the fabric is feeding while sewing the bar tacks 4 Remove the back cover and the front cover 5 Adjust the screw a If the fabric is fed forward turn the screw a counter clockwise If the fabric is fed backward turn the screw a clockwise 6 Attach the covers ...

Страница 29: ... tension may cause jumping of the belt teeth on the motor pulley Adjustment 1 Remove the back cover front cover and test tension of motor belt using belt tension gauge A Its standard measure ment should be 100g 2 Loosen the screws a and b of adjusting plate B 3 Move the motor upwards the belt will become more loose downwards the belt will become more tight 4 Tighten the set screws a and b 5 Attach...

Страница 30: ... the machine 5 Observe the shape of bobbin winding When the lower part of bobbin winding is thicker adjust the screw a counter clockwise When the upper part of bobbin is thicker adjust the screw a clockwise 6 Observe the intensity If bobbin is less than 80 percent full loosen the screw b adjust bobbin winder bracket shaft B clockwise If bobbin is over 80 percent full loosen the screw b adjust bobb...

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