Global WF 9221-76 Скачать руководство пользователя

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Adjusting the rocker

With the stitch length being set for 0 with the needle at the lowest position, the
feeding foot bar should be distanced 14,5mm from the presser foot bar (see picture

below).

Feed dog height

Being in its topmost position, the feed dog should exceed the throat plate by 1 tooth

height.

For checking, set the stitch regulator for 0 stitch length and turn the handwheel.

Содержание WF 9221-76

Страница 1: ...GLOBAL WF 9221 76 Instruction manual ...

Страница 2: ... x 23 DY x 23 Needle size standard 230 230 Max PFL lift 20mm 20mm Max stitch length 10mm 10mm Standard needle gauge X 18mm Needle gauge available X 8 9 5 12 7 15 9 25 4 44 5mm Working space 760mm 760mm Back Tack standard Pneumatic Pneumatic Presserfootlifter standard Pneumatic Pneumatic ...

Страница 3: ...button shown on picture turn handwheel until you feel button lock in Hold in the button turning the hand wheel away from you will make the stitch length longer and turning the hand wheel towards you will make the stitch length shorter see below ...

Страница 4: ... position the feeding foot bar should be distanced 14 5mm from the presser foot bar see picture below Feed dog height Being in its topmost position the feed dog should exceed the throat plate by 1 tooth height For checking set the stitch regulator for 0 stitch length and turn the handwheel ...

Страница 5: ...descending needle should reach the throat plate level simultaneously see picture below The feed dog is at its topmost point when the needle is at its lower dead point see picture below For checking set the stitch regulator for 0 stitch length and turn the handwheel ...

Страница 6: ...Feed lift motion Loosen the two Allen keys turn the shaft to adjust the height of the feed lift motion see picture below ...

Страница 7: ...n and continue to turn until the needle bar rises 3 5 4mm at this position the hook point must be half way across the width of the needle see picture below Needle bar height Set the machine on the longest stitch The hook must be 2mm above the eye of the needle see picture above ...

Страница 8: ...d the needle should amount to 0 1mm This is adjusted by unscrewing the two screws highlighted below in red and by moving the hook saddle left of right see picture below In case of a needle size change check the distance and adjust accordingly After re setting re check hook timing ...

Страница 9: ...case opener The bobbin case is opened by the finger at the moment of thread passage The finger travel and the lifting moment are not adjustable Bobbin case opening finger max opening 2 2 5mm see picture below ...

Страница 10: ...length turn the machine and compare the strokes For correcting 1 lift slightly the foot with the higher stroke off the throat plate 2 Loosen the block with the screw of the shaft see picture below The lifted foot will be lowered by the presser foot spring down to the throat plate 3 Repeat the adjustment until the strokes are equal ...

Страница 11: ...said 2 Correct feed dog lifting movement as previously said The feeding foot should reach the throat plate level at the same time as the ascending feed dog and the descending needle For checking torn the machine with the stitch length on 0 For correcting turn the eccentric on the arm shaft accordingly after loosening the screw see picture below ...

Страница 12: ... the presser foot It is possible to select 4 different stroke heights according to the material to be sewn Connect the lever with one of the 4 holes of the driving lever see picture below Topmost hole minimum stroke Lowest hole maximum stroke ...

Страница 13: ...cture below Safety clutch this should act when the hook is jammed For engaging the clutch press the arresting button and turn the handwheel opposite to the direction of rotation Move the handwheel until the hook is free again if the clutch is again disengaged remove the bobbin case See picture below ...

Страница 14: ...Maintenance All areas marked in red are daily oiling points See pictures below for the hook oil reservoir The reservoir must be filled until the pin gives half way see pictures below ...

Страница 15: ...Threading See pictures below for threading and bobbin thread ...

Страница 16: ......

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