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17.3  Adjustment of feed 

 
 

  Turn the hand wheel to 190°, 

press the hand knob of 
bartacking, no movement of feed 
shaft. If it moves, loosen the 
screw (1), change the angles till 
no movement, then tighten screw 
(1)  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

  Adjust position of feed in the 

needle plate, keep the front and 
back clearance between the feed 
and plate. 

 
 
 
 
 
 
 
 
 

 

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Содержание Guardan GF-1237-443 MH/L38

Страница 1: ...F 137 443 MH L38 GF 137 448 MH L38 GF 237 443 MH L38 GF 237 448 MH L38 ANITA B s r o Pr myslov 2453 7 680 01 Boskovice Czech Republic tel 420 516 454 774 fax 420 516 452 751 e mail info anita cz w w w...

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Страница 3: ...16 13 Setting the presser foot stroke 17 14 Setting the stitch length 18 15 Key panel on the machine arm 19 16 Sewing 20 17 Adjustment of feeding 22 17 1 Feed position 22 17 2 Setting position of feed...

Страница 4: ...1500 Maximum stitch length mm 12 Needle bar stroke mm 40 Presser foot lift mm 20 System of automatic trimming Pneumatic cylinder Pneumatic cylinder Needle DP 17 21 18 23 134 17 Nm80 160 Sewing space m...

Страница 5: ...5 2 THREADING OF UPPER THREAD 2 1 Threading scheme Single needle machine Double needle machine 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 26 27 28 21 22 23 24 25 w w w g a r u d a n c z...

Страница 6: ...read the same as for single needle machines Insert the thread cones on the stand and lead the upper thread through the unwinder arm The arm must be in vertical position above the thread reels Lead the...

Страница 7: ...7 3 SETTING UPPER THREAD TENSION 4 5 1 2 3 w w w g a r u d a n c z...

Страница 8: ...of sewing Turn the plate 4 counter clockwise Main tensioner It is necesary to set minimum tension on main tensioner 2 Crossing of threads should occur in the middle of the sewn material Too high threa...

Страница 9: ...edle thread loop must slide with low tension over the thickest point of the hook Loosen screw 1 Adjust position of the thread regulator 2 Thread regulator to the left more thread Thread regulator to t...

Страница 10: ...nder levet will stop the process of winding when the bobbin is full The winder alaways stops when the knife 3 is in the upper position like indicated on the right picture Take out the full bobbin pull...

Страница 11: ...nserting the full bobbin Insert the bobbin 2 in a way that it moves in counter clockwise direction against the hook when unwinding the thread Conduct the lower thread through the slot 3 and pass it un...

Страница 12: ...tension may only be adjusted only if the machine is switched off Adjustment of tension spring 2 Set the tension spring 2 by the regulating screw 1 Increase the tension turn screw 1 clockwise Decrease...

Страница 13: ...from the needle bar 1 Insert the new needle properly into the needle bar hole aligning it so that the needle groove 3 points to the hook Tighten screw 2 If needle with a different size is inserted dis...

Страница 14: ...needle properly into the needle bar hole 2 aligning it so that from view of operator the right needle groove 4 points to the right and left needle groove to the left see picture above Tighten screw 3...

Страница 15: ...correcting its position press the knee lever to the right Presser feet will remain lifted all the time when knee lever 1 is pressed Electropneumatic lifting of presser feet pedal Press the pedal 2 ha...

Страница 16: ...ot pedal or mechanically by the knee lever The lever 1 will turn back to its initial position 12 SETTING THE PRESSER FOOT PRESSURE Required pressure of presser foot can be adjusted by the regulating k...

Страница 17: ...hes are interdependent The potenciometer is mechanically connected with the dials and the control unit can thus recognize the set presser foot stroke limiting the sewing speed number of stitches autom...

Страница 18: ...n 12 maximum stitch length Lower knob 2 sets shorter stitch length Position 1 minimum stitch length Position 12 maximum stitch length Stitch lengths for sewing forward and backwards are identical For...

Страница 19: ...ted 4 Activating or surpressing the initial or final bartack If the initial and final bartacks are switched on by pressing the key the following bartack will be switched off If the initial and final b...

Страница 20: ...y back Lift the presser feer Place the sewn material under the needles Sewing Press the pedal forward and keep it pressed The machine continues to sew at speed controlled by the pedal In the middle of...

Страница 21: ...s of maximum presser foot stroke Press the knee switch to activate the maximum presser foot stroke Press the knee switch again to deactivate maximum presser foot stroke Sewing with 2nd stitch length d...

Страница 22: ...it is possible to make following adjustments Loosen the screw 1 4 Take off te hand knob 5 Turn the top pole to the bottom with tools Adjust the angle of the feed transfer to reach the stilness Note B...

Страница 23: ...nd right to keep the feed dog in the centre of needle plate groove add the picture of needle plate and the feed dog then tighten the screw 8 9 12 Adjust the position of feed transfer 14 to the feed sh...

Страница 24: ...and knob of bartacking no movement of feed shaft If it moves loosen the screw 1 change the angles till no movement then tighten screw 1 Adjust position of feed in the needle plate keep the front and b...

Страница 25: ...en screw 1 to be in the line with the pin 2 then tighten screw 1 Adjustment of feed dog 3 height against the needle plate 4 Turn the main shaft to 190 loosen the screw 1 adjust the feed dog 3 to be 0...

Страница 26: ...and feed dog Loosen the screws 3 and 4 to makr the needle aim at the centre of feed dog Then tighten the screws 3 and 4 Loosen the screw 1 to keep the crank rod in the proper position then tighten the...

Страница 27: ...and back position of needle For correction of front back position of needle loosen the screw 3 a move the needle bar 2 to keep the needle in the center of feed dog then tighten the screw 3 w w w g a...

Страница 28: ...ment of the looper time Set the stroke of the feed dog to 0 on the dial Move the handwheel to 203 Turn the large hook 4 to have its top part in the center of needle then tighten the screw 3 w w w g a...

Страница 29: ...29 17 8 Needle position Loosen the screw 3 and move the needle bar 2 to keep the space between the top side of needle 4 hole and the tip of the hook at 1 5 2mm w w w g a r u d a n c z...

Страница 30: ...to keep the distance between the tip of the hook 5 and the flat of needle concave at 0 05 0 1mm then tighten the screws 1 2 and 4 Note Before tightening the screw 4 make sure the hand wheel is at 203...

Страница 31: ...p between the needle concave 3 and the tip 6 of the hook 5 to be at 0 05 0 1mm Make the needle guard approach the needle through the screw 1 19 SETTING OF INNER HOOK The efficiency of the unsealing in...

Страница 32: ...ling in the inner hook to the proper position check position when the main shaft is in 280 degree the clearance between the hook A and hook B is enough for the thread dimension to go through When it c...

Страница 33: ...drives the movable knife to the end position Tighten the screw 8 Loosen the screw 3 and adjust the clearance between cam and shaft at 0 1 mm Loosen screw 7 and adjust position of shaft 4 to flew free...

Страница 34: ...ep movable knife 1 and fixed knife 2 combine tightly at the distance of 3 mm thne tighten screw 3 22 SETTING TENSION OF GRIPPING SPRING Loosen screw 2 and move the gripping spring 1 and make it combin...

Страница 35: ...iods of maintenance Clean machine protects the machine from damage and technical problems Always turn off the main switch before leaning the machine head Maintenance work Description Operation period...

Страница 36: ...level of water in the pressure regulator Clean filter insert Check if the system is well sealed Level of water must not rise as far as the level of filter 3 Drain water by turning the screw 5 under p...

Страница 37: ...are lubricated by oil from the oil tank Level of oil must be maintained above the mark of minimum oil level 1 on the oil tank Fill the oil to the tank up to the mark of maximum oil level 2 8 Attentio...

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