Janome Magnolia 7325 Service Manual Download Page 2

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SERVICE MANUAL

Service Access (1) Face plate .....................................................................................1

Service Access (2) Base cover ...................................................................................2

Service Access (3) Front cover ...................................................................................3

Service Access (4) Rear cover ....................................................................................4

Adjusting Thread Tension ............................................................................................5

Adjusting Presser Foot Height and Alignment .............................................................6

Adjusting Needle Swing ..............................................................................................7

Adjusting Needle Drop Position ...................................................................................8

Adjusting Hook Timing ................................................................................................9

Adjusting Needle Bar Height ......................................................................................10

Adjusting Clearance between Needle and Hook Point ...............................................11

Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear .......................12

Adjusting Feed Dog Height ........................................................................................13

Adjusting Feed Balance .............................................................................................14

Adjusting Buttonhole Feed Balance ...........................................................................15

Adjusting Buttonhole Zero Feed .................................................................................16

Adjusting Buttonhole Function ...................................................................................17

Replacing Motor and Adjusting Motor Belt Tension ....................................................18

Replacing and Adjusting Threader .............................................................................19

Replacing Printed Circuit Board B and Fuse ..............................................................20

PARTS LIST

PARTS LIST ........................................................................................................... 21~43

TABLE OF CONTENTS

Summary of Contents for Magnolia 7325

Page 1: ...Model SERVICE MANUAL PARTS LIST...

Page 2: ...Adjusting Needle Bar Height 10 Adjusting Clearance between Needle and Hook Point 11 Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear 12 Adjusting Feed Dog Height 13 Adjusting Feed Bala...

Page 3: ...1 Setscrew Face plate Service Access 1 Cap Face plate To remove Remove the cap and setscrew Remove the face plate To attach Attach the face plate with the setscrew Attach the cap...

Page 4: ...e setscrews 6 pcs and remove the base cover To attach Shift the drop feed lever in the direction of the arrow Attach the base cover with setscrews Base cover Setscrew Setscrew Setscrew Base cover Sets...

Page 5: ...1 and 2 Pull out the pattern selector dial and stitch length dial Remove the setscrews A B and C two off Remove the front cover unlocking all the hooks To attach Follow the above procedure in reverse...

Page 6: ...1 3 Remove the setscrews A B C and D Lower the presser foot lifter and pull away the rear cover from the machine clearing the parts 1 2 and 3 in this order To attach Follow the above procedure in rev...

Page 7: ...4 To adjust Remove the front cover see apge 3 Set the tension dial at 4 If the tension is too tight turn the adjusting dial in the direction A If the tension is too loose turn the adjusting dial in th...

Page 8: ...ick under the presser foot and lower the presser foot lifter Loosen the setscrew A Raise the presser foot lifter and tighten the setscrew A firmly Attach the needle and face plate Attach the face plat...

Page 9: ...handwheel to adjust the needle bar swing so that the needle starts to swing 2 3 mm above the needle plate in the right outflow Tighten the setscrews on the worm securely Attach the front cover Note Th...

Page 10: ...itch is selected To adjust Remove the face plate see page 1 Select the straight stitch and set the stitch width at 5 0 Loosen the setscrew Move the needle bar supporter so that the needle drops in the...

Page 11: ...er shaft gear Turn the handwheel toward you to bring the needle to the right lowest position Then raise the needle 1 7mm from the lowest position While holding the handwheel as not to move the needle...

Page 12: ...ve the face plate see page 1 Remove the needle plate and bobbin holder Turn the handwheel toward you until the hook point meets the right side of the needle Loosen the setscrew and move the needle bar...

Page 13: ...en the setscrew A Turn the handwheel toward you to bring the hook point behind the test pin Adjust the clearance to 0 1 to 0 05 mm by moving the hook base plate up or down Tighten the setscrews A B an...

Page 14: ...s If the backlash is too big turn the lower shaft bushing in the direction B If the gear engagement is too tight turn the lowershaft bushing in the direction A Tighten the setscrews and attach the bas...

Page 15: ...e cover see page 2 Loosen the setscrew A and nut Turn the adjusting screw to set the feed dog height to 0 75 to 0 85 mm Tighten the nut and setscrew A Attach the base cover Presser foot 0 75 to 0 85mm...

Page 16: ...aight stretch stitch Place a piece of paper under the foot Turn the handwheel to check the needle marks Remove the cap to access the adjusting screw If the forward feeding A is longer than backward fe...

Page 17: ...to 12 stitches in the right side row against 10 stitches in the left side row is considered acceptable To adjust Sew a test buttonhole and count the stitches on each side Remove the cap to access the...

Page 18: ...e to check if the fabric is fed while sewing the bartacks Remove the cap to access the adjusting screw If the fabric is fed foward A turn the adjusting screw in the direction C If the fabric is fed ba...

Page 19: ...the plate B against the front base plate lightly Move the plate C so that it contacts with the plate D and tighten the setscrew A Raise the feed dog and sew a test buttonhole to check the length Move...

Page 20: ...disconnect the motor connector see page 20 Remove the setscrews C and motor To attach the motor follow the above procedure in reverse To adjust the motor belt tension Slightly loosen the setscrews C...

Page 21: ...ook C of the threader thrust or hit against the side edge of the needle eye loosen the setscrew D and adjust the lateral position of the threader palte see Fg 2 If the hook C thrust against upper or l...

Page 22: ...above A Motor F Bobbin winder switch B Lamp G Slide volume C Machine socket primary H Machine socket secondary D Upper shaft sensor I Transformer primary E Star stop upper needle position J Transforme...

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Janome Magnolia 7325, Service Manual

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