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SERVICE MANUAL

MODEL BLE8W

MODEL BLE5

Vol 2.0

From

Serial Numbers

8W: K6 104507

8W: 101484

5: 100201

8W:100231

8W:101201

U.S.A.

Canada

EU

Au. N.Z

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Summary of Contents for BLE5

Page 1: ...SERVICE MANUAL MODEL BLE8W MODEL BLE5 Vol 2 0 From Serial Numbers 8W K6 104507 8W 101484 5 100201 8W 100231 8W 101201 U S A Canada EU Au N Z ...

Page 2: ... chain right needle BLCS 3 For BLE5 BLE8W For BLE3ATW For BLCS 3 For BLE1SX DX AT Height of feed dog Distance of lower looper tip from center of lower looper shaft Distance of chain looper tip from center of chain looper shaft BLE5 BLE8W Distance of Upper looper tip From right side of right needle Distance of lower looper tip from right side of right needle SX DX AT ATW Distance of lower looper ti...

Page 3: ...ight of needle Needle plate Right O 2 Needle 10 6 0 1 Upper looper adjustment 8 6 0 2 0 Adjustment of lower looper and upper looper Lower looper adjustment Chain looper adjustment Max 8 5 0 8 0 3 4 8 0 0 1 2 0 0 05 O 2 Needle Organ ELx705CF 90 14 Organ ELx705CF 90 14 Organ ELx705CF 90 14 Organ ELx705CF 90 14 O 2 Needle C 3 Needle 2 ...

Page 4: ... way of FORWARD of the chain looper d Adjust the chain looper front needle guard towards the C3 needle make a clearance of 0 0 02mm between the front back needle guard and C3 needle 3 2 CHAIN LOOPER THREAD TAKE UP ADJUSTMENT A Timing Adjustment CORRECT TIMING When the thread take up is lowest position the eye of chain looper at the center of the C1 needle on the way of RETURNING of the chain loope...

Page 5: ...IDE FRONT SIDE Timing adjustment screw A Chain needle thread take up height adjustment screw B 3 2 Chain looper thread take up adjustment 0 0 5 3 3 Chain needle tension unit adjustment 0 0 0 02 0 0 0 0 0 Chain needle front needle guard Front back needle guard Overlock back needle guard C3 Needle Thread take up driving cam C1 Needle 5g 0 4 C3 Needle Thread 1 3 m m ...

Page 6: ...ulley fixing screw and make sure to fit the thread delivery unit timing pulley Note The screws of thread derivery cam and thread derivery changing cam should be placed in line 4 1 CLEARANCEA AND B FOR THREAD PRESS POST ARM CORRECT CLEARANCE 0 4mm both front and rear How to adjust clearance A Rear clearance adjustment You are required to adjust this adjustment first a Rotate the machine pulley and ...

Page 7: ...6 Rear clearance adjustment A Front clearance adjustment B Shut position Shut position 0 4 0 4 Open position Open position 5 6 7 8 0 9mm 0 4mm 4 3 1 2 9 3 1 2 9 8 ...

Page 8: ...te spring Hook the spring both side 2 After you replace the spring insert the thread press disc shaft slowly from the right side 3 Pushing the thread press disc shaft from the right side rotate the machine pulley until the thread press driving arm reaches the far left 4 Replace 5 pcs of E ring 5 Make a clearance of 0 4mm between the thread press driving arm and thread press disc shaft see P5 4 2 1...

Page 9: ...8 2 9 8 4 11 12 6 7 3 1 10 13 14 19 20 21 22 24 30 31 28 27 26 29 25 23 5 A B D C G E F H ...

Page 10: ...eplacement of fabric thickness sensor cable 3 1 Remove the cable 2 Hook the cable both side 3 Check the stitches see P 11 2 b Replacement of needle thread sensor cable 2 1 Move the stitch joint arm plate B to the right and remove the needle thread sensor cable2 3 Replace the cable and make sure that the cable is in each 4 grooves of guide roller 2 Remove wire tension spring 25 and E ring 26 4 Chec...

Page 11: ...4 5 13 6 16 15 3 2 1 5 7 18 17 5 20 19 23 5 21 24 22 10 9 4 5 12 4 8 11 14 10 B C 25 26 CABLE3 CABLE1 CABLE2 ...

Page 12: ...hown in the above and adjust only the needle thread in the stitch not to have a puckering Disregard the looper threads in the stitch at this stage c Then adjust the looper thread sensor cable 5 2 5 2 ADJUSTMENT OF LOOPER THREAD SENSOR CABLE Before the adjustment of looper thread sensor cable adjust the needle thread sensor cable first 5 1 NOTE The looper thread sensor cable adjusting screw works T...

Page 13: ... cable Looper thread sensor cable Looper thread sensor cable adjusting screw Needle thread sensor cable adjusting screw Standard Position Fine Tuning screw 12 Turn Clockwise Become Loose Turn Counter clockwise Become Tight ...

Page 14: ... driving arm from piston driving shaft It will be easy to remove the arm from the shaft if you push the shaft to the rightward direction e Remove piston assembly from cylinder It will be easy to remove piston assenbly from cylinder when the needle is in the lowest position f Replace piston cap g Greace piston cap a little bit MOLYKOTE EM 50L h Return piston assembly to cylinder Holding the pump tu...

Page 15: ...3 5 4 3 9 8 15 12 13 4 17 2 1 6 10 14 11 16 7 14 ...

Page 16: ... the looper thread sensor cable positioned correctly See P9 4 6 Is the looper thread sensor cable adjusted correctly See P1 1 5 8 3 THREAD BREAKS Is the serger threaded correctly See Quick Reference Guide Are the threads snapped in the head guide See Instruction Book P 20 23 Is the stitch selector positioned correctly See Quick Reference Guide Is the looper thread fine tuning screw positioned corr...

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