Related Manuals for promelectroavtomat XL2120
Summary of Contents for promelectroavtomat XL2120
- Page 1 SERVICE MANUAL FOR XL2120 XL2121 XL2130 XL2140 XL2220 XL2230 XL2240 XL2250 7.2003. www.promelectroavtomat.ru...
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Page 2: Table Of Contents
Bracket ......................3 - 18 Adjustment of the Upper Thread Tension ............3 - 19 Adjustment of the Inner Rotary Hook (Lower Thread) Tension .......3 - 20 Adjustment of the Thread Winding (Uneven Bobbin Winding and Amount of Thread Winding) ......3 - 21 www.promelectroavtomat.ru... -
Page 3: Disassembly Procedure
5. Remove the two screws (taptite, bind B M 4 × 12) to remove the thread tension dial assembly. 6. Remove the one screw (taptite, bind B M 4 × 12) to remove the thread conductor B assembly. 7. Pull out the reverse stitching knob. www.promelectroavtomat.ru 2 - 1... - Page 4 13. Remove the one screw (giza tite 5 × 16) for the feed transmission holder. 14. Remove the two screws (giza tite 5 × 16) holding the base plate assembly and remove the feed module. 15. Remove the screw holding the lamp and remove the lamp unit. (3 × 20) www.promelectroavtomat.ru 2 - 2...
- Page 5 19. Remove the tension belt and the motor belt from the needle bar-presser unit assembly. 20. Loosen the screw (set screw, socket (FT) M 5 × 5) for the thread take-up lever crank and separate the upper shaft assembly from the needle bar-presser unit assembly. www.promelectroavtomat.ru 2 - 3...
- Page 6 27. Remove the spool pin spring and remove the spool pin. 28. Remove the one screw (giza tite 5 × 16) to remove the lower thread guide assembly. 29. Remove the two screws (giza tite 4 × 14) to remove the bobbin retainer. www.promelectroavtomat.ru 2 - 4...
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Page 7: Needle Bar-Presser Unit Assembly
3. Remove the thread take-up lever body and the needle bar crank from the thread take-up lever supporter. 4. Remove the screw and the spring at the top of the needle bar supporter and remove the needle bar supporter from the base holder assembly. www.promelectroavtomat.ru 2 - 5... - Page 8 12. Remove the retaining ring E5 and remove the presser lifter. 13. Remove the retaining ring E3 and remove the thread loosening lever. 14. Remove the one screw (screw, bind M 4 × 6) for the lamp holder to remove the lamp holder. www.promelectroavtomat.ru 2 - 6...
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Page 9: Lower Shaft Unit Assembly
17. Remove the retainer ring shaft CS and then remove the feed arms A and B from the feed base assembly. 18. Remove the retainer ring shaft CS and the feed arm B. 19. Remove the feed arm receptacle. 20. Remove the feed adjuster shaft assembly. www.promelectroavtomat.ru 2 - 7... -
Page 10: Thread Tension Assembly
B, and the thread tension disc A. 6. Remove the one screw (screws pan (S/P washer) M 3 × 18DA) and remove the thread take-up spring case and the thread take-up spring. www.promelectroavtomat.ru 2 - 8... -
Page 11: Assembly Procedure
2. Insert the tip of the wire of the thread conductor B assembly by aligning it against the positioning groove of the front cover and secure with the screw (taptite, bind B M 4 × 12) that sets the protrusion of the thread conductor B into the hole in the front cover. www.promelectroavtomat.ru 2 - 9... -
Page 12: Rear Cover
6. Route and connect the lamp unit harness. 7. Secure the bobbin assembly with the two screws (giza tite 5 × 16). 8. Fasten the cord retainer and the thread winding spring with the one screw (giza tite 5 × 16). www.promelectroavtomat.ru 2 - 10... - Page 13 (giza tite 5 × 16) on the side of the needle bar-presser. Then place the upper shaft metal retainer on the upper shaft metal and fasten it with the screw (giza tite 5 × 16). www.promelectroavtomat.ru 2 - 11...
- Page 14 20. Attach the retaining ring E5 that links the Z linkage and the needle bar supporter. 21. Attach the retaining ring E3 that links the Z linkage and the selection unit. 22. Attach the pull spring of the Z linkage. (Ø6 × 22 mm) www.promelectroavtomat.ru 2 - 12...
- Page 15 25. Attach the selection dial on the front face of the front cover. 26. Fasten the face plate with the one screw for holding it. 27. Install the inner rotary hook and attach the needle plate B. www.promelectroavtomat.ru 2 - 13...
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Page 16: Thread Tension Assembly
6. Insert the positioning protrusion of the thread take-up spring case assembly into the square hole of the thread conductor B, shift it all the way up in the square hole, and secure it with the one screw (screw, pan (S/P washer) M 3 × 18DA). www.promelectroavtomat.ru 2 - 14... -
Page 17: Needle Bar-Presser Unit Assembly
14. Temporarily insert the needle bar into the needle bar supporter, run it through the needle bar clamp of the needle bar crank rod assembly, and temporarily fasten with the screw (set screw, socket (FT) M 4 × 4). www.promelectroavtomat.ru 2 - 15... - Page 18 21. Insert the riveting stud of the thread take-up lever body for the thread take-up lever supporter into the thread take-up lever supporter. 22. Insert the needle bar crank rod in to the needle bar crank and the needle bar clamp shaft. www.promelectroavtomat.ru 2 - 16...
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Page 19: Lower Shaft Unit Assembly
7. Insert the vertical feed shaft into the base plate, slide the vertical finger and the washer on the shaft, and attaché the retainer rings E3 on the inner left of the base plate as well as outside of the vertical finger (on both the left and the right). www.promelectroavtomat.ru 2 - 17... - Page 20 22. Attach the feed transmission lever to the feed adjuster shaft, snap on the retaining ring E4 in the retainer ring groove on the right, slide the feed transmission lever toward the retainer ring, and temporarily fasten it. www.promelectroavtomat.ru 2 - 18...
- Page 21 28. Temporarily fasten the needle plate A with the M4 screw. 29. Align the mounting hole of the inner rotary hook rotation prevention bracket against the protrusion and temporarily fasten it with the screw (screw, pan (S/P washer) M 3 × 6). www.promelectroavtomat.ru 2 - 19...
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Page 22: Adjustment
3 Tighten the screw (Screw, pan (S/P washer) M 4 × 8 DA) to secure the tension pulley holder. 4 Check the timing belt tension again. Screw, pan (S/P washer) M4 × 8DA Tension pulley holder 3 - 4 mm 3N(300g) Tension guage www.promelectroavtomat.ru 3 - 1... -
Page 23: Adjustment Of The Motor Belt Tension
3 Tighten the two screws (Bolt, (S/P washer) M 5 × 12) to secure the motor holder. 4 Check the motor belt tension again. Motor holder 4 - 6 mm 2N(200g) Tension guage Bolt, (S/P washer) M5 × 12 www.promelectroavtomat.ru 3 - 2... -
Page 24: Adjustment Of The Needle Bar Stopper
6 Turn the pulley to verify that the stopper and the needle bar support do not contact each other when the needle is swung to the right. If they contact each other, repeat the process from 1 above. stopper Needle bar supporter 0.3 - 0.7 mm Adjustment of the stopper position www.promelectroavtomat.ru 3 - 3... -
Page 25: Adjustment Of The Needle Sidewise Movement (Needle Swing Timing)
6 Turn the pulley to verify that needle swing timing is within criteria. Set screw, socket (FT) M4 × 4 Worm pulley <0.05 mm <0.05 mm When needle goes down ... less than 0.05 mm <0.15 When needle comes up ... less than 0.15 mm www.promelectroavtomat.ru 3 - 4... -
Page 26: Adjustment Of The Left/Right Position Of Zigzag Needle Down
5 Tighten the screw (Screw, pan (S/P washer) M 3 × 8 DB) beside the Z linkage. 6 Turn the pulley to verify that the zigzag width is evenly divided on the right and the left sides of the needle hole in the needle plate. a = b www.promelectroavtomat.ru 3 - 5... -
Page 27: Left And Right Balance Of The Needle Clearance
A. 5 Tighten the Bolt, socket M 3 × 6, complete with a washer. www.promelectroavtomat.ru 3 - 6... -
Page 28: Adjustment Of The Bh Left Over Edging (Zero Feed Adjustment)
5 Loosen the screw (Screw, pan (S/P washer) M 3 × 8) within the selection dial to adjust. (Left center screw) 6 Tighten the screw (Screw, pan (S/P washer) M 3 × 8) within the selection dial. 7 Turn the pulley to verify that the stitches are within criteria. 20mm 40 ± 5 Needle www.promelectroavtomat.ru 3 - 7... -
Page 29: Adjustment Of The Zigzag Width For Bh Right Over Edging
0 Tighten the screw (Screw, pan M 3 × 8) of the adjusting nut. A Repeat steps 1 through 5 above to check the zigzag width again. | a - b | ≤ 0.2mm www.promelectroavtomat.ru 3 - 8... -
Page 30: Adjustment Of The Feeding For Bh Right Over Edging (Adjustment Of Satin Feeding)
7 Tighten the screw (Screw, pan (S/P washer) M 3 × 8) within the selection dial. (Upper center screw) 8 Turn the pulley to verify that the stitches are within criteria. 20mm 40 ± 5 Needle www.promelectroavtomat.ru 3 - 9... -
Page 31: Forward/Reverse Adjustment Of The Super Stitch Feeding
5 Turn the screw with a screw driver to adjust feed amount of both the forward and reverse feeds. 6 Loosen the screw (Screw, pan M3 × 8) within the selection dial. (Lower left screw) 7 Set a piece of paper and turn the pulley to check the needle down condition. www.promelectroavtomat.ru 3 - 10... -
Page 32: Adjustment Of Forward/Back Position Of Needle Against The Needle Hole In The Presser Foot
3 Adjust the amount of tightening of the adjusting screw to bring the tip of the needle into the center of the needle hole along the forward/back direction. Needle holder shaft Needle hole a = b Needle tip position www.promelectroavtomat.ru 3 - 11... -
Page 33: Adjustment Of The Amount Of Needle Bar Rise
(FT) M5 × 5 (three) 2.9 - 3.3mm Lower shaft pully D The right edge of the needle and the tip coincide at a point 2.9 - 3.3 mm above the lowest point for the needle 2.9 - 3.3mm www.promelectroavtomat.ru 3 - 12... -
Page 34: Adjustment Of The Needle Bar Height
6 Tighten the screw (set screw, socket, FT, M 4 × 4) on the needle bar clamp. Set screw, socket (FT) M4 × 4 Right edge of needle and tip coincide Needle bar 1.0 - 1.4mm www.promelectroavtomat.ru 3 - 13... -
Page 35: Adjustment Of The Needle Clearance
4 Adjust the amount of tightening of the adjusting screw so that the clearance between the needle and the rotary hook point is 0.1 mm or less. 5 Tighten the screw, pan M 3 × 25. Adjusting screw Back Front 0.1mm or less Needle www.promelectroavtomat.ru 3 - 14... -
Page 36: Adjustment Of The Presser Bar Height
6.0 to 6.5 mm. 6 Tighten the screw (Set screw, socket, CP, M 5 × 8) on the presser bar clamp assembly. Set screw, socket (CP) M5 × 8 Upper surface of needle plate 6.0 - 6.5mm www.promelectroavtomat.ru 3 - 15... -
Page 37: Adjustment Of The Feed Dog Height
4 Check that the feed dog is at least 0.5 mm below the top surface of the needle plate A when the feed dog is moved to its lowest position. Feed dog uppermost position Needle plate surface 0.9 - 1.1mm M5 nut Feed dog lowermost position Needle plate surface 0.5mm or greater www.promelectroavtomat.ru 3 - 16... -
Page 38: Forward/Back And Left/Right Position Adjustment Of The Feed Dog
4 Tighten the 3 × 6 bind screw to secure the feed dog. 5 Tighten the M4 screw completely to secure the needle plate A. Parallel 0.3 - 0.8mm a, b ≥ 0.1mm www.promelectroavtomat.ru 3 - 17... -
Page 39: Adjustment Of The Position Of The Inner Rotary Hook Rotation Prevention Bracket
1.6 to 1.8 mm and secure it with the screw, pan (S/P washer ) M 3 × 6. 1.6 - 1.8mm Screw, pan (S/P washer) M3 × 6 www.promelectroavtomat.ru 3 - 18... -
Page 40: Adjustment Of The Upper Thread Tension
5 Adjust the tightening amount of the thread tension adjusting screw so that the thread tension is 0.38 - 0.43 N (38 - 43g) when pulled slowly using a tension gauge. 6 Apply a small amount of screw locking agent to the thread tension adjusting screw. 0.38 - 0.43N (38 - 43g) Adjusting screw www.promelectroavtomat.ru 3 - 19... -
Page 41: Adjustment Of The Inner Rotary Hook (Lower Thread) Tension
2 Adjust the tightening amount of the spring tension adjusting screw so that the thread tension is 0.10 to 0.12 N (10 to 12 g) when pulled slowly using a tension gauge. 0.1 - 0.12N (10 - 12g) Shapesupan thread #60 Spring adjusting screws www.promelectroavtomat.ru 3 - 20... -
Page 42: Adjustment Of The Thread Winding (Uneven Bobbin Winding And Amount Of Thread Winding)
2 Rotate the bobbin presser to adjust the amount of thread winding. (As a guideline of thread winding amount, a bobbin should be wound up to 80 to 90% of the external diameter of the bobbin.) 80 - 90% www.promelectroavtomat.ru 3 - 21... - Page 43 XL2120/21/30/40 XL2220/30/40/50 29F03HF885S22/23 www.promelectroavtomat.ru...