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Baby Lock Evolve BLE8 Service Manual
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Baby Lock Evolve BLE8 Service Manual

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SERVICE MANUAL
MODEL BLE8
Vol 1.02

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Summary of Contents for Baby Lock Evolve BLE8

  • Page 1 SERVICE MANUAL MODEL BLE8 Vol 1.02...
  • Page 2 1.Construction of Covers Adjusting gauge Distance of chain looper tip from center of chain looper shaft 72.8 55.4 Distance of lower looper tip from center of lower looper shaft Distance of lower looper tip Distance of upper looper tip from right side of overlock from right side of overlock right needle(O right needle(O...
  • Page 4 3-1Needle guard adjustment (Needle system ELx705CF 90/14 ) A) Overlock Front Needle Guard Adjustment (You are required to adjust this adjustment first) a) Remove overlock back needle guard. b) Rotate the machine pulley and lower the needle to the lowest position. c) Make a clearance of 0mm between front &...

  • Page 5: Needle Guard Adjustment

    3-1 Needle guard adjustment Overlock Chain Overlock Needle Chain Needle Needle Needle FRONT FRONT SIDE SIDE 0.2-0.3 Chain needle front needle guard Overlock back 0-0.02 needle guard Needle Front & back needle guard 3-2 Chain looper thread take-up adjustment Timing adjustment Chain needle screw (A)
  • Page 6 Before adjustment of Thread delivery System(ATD) In case you can not get the proper stitches, please check the following items before you adjust the Thread Delivery System. a) Is thread positioned between discs? Double check the thread position. b) Does spring in the head thread guide catch thread properly? BLE1A T’s head thread guide is exclusive for BLE1A T.
  • Page 7 0.9mm 0.4mm Rear clearance adjustment Front clearance adjustment Shut Open position position Shut Open position position...
  • Page 8 4-3 HOW TO REPLACE THE TIMING BELT OF THREAD DELIVERY UNIT a) Loosen the presser foot joint link fixing screw A( 24 upper screw). b) Loosen the thread delivery unit fixing screw c) Remove 2 pcs of the thread delivery unit fixing screw d) Push the thread delivery unit downward and remove the timing belt of thread delivery unit Then, remove the motor belt and you can replace the timing belt of thread delivery unit.
  • Page 10 4-6 REPLACEMENT OF SENSOR CABLE Needle thread and looper thread sensor cable consists of 113 pcs of fine stainless wire and its pulling strength is 13kg (3 lb.). Therefore, it is almost unnecessary to replace the sensor cable. In case you replace the cable, refer the followings; There are 3 types of sensor cable and each cable is dif ferent length.
  • Page 12 5. ADJUSTMENT OF STITCHES Fabric : cotton 1-layer Thread : 100% polyester spun thread (maxi-lock or metrosene thread) Needle : SCHMEZ ELx705 90/14 Machine: 1-needle (right), 3-thread sewing Width : 5.0mm (max) Length : 3.0mm D.F. : N Stitch selector : B 5-1 ADJUSTMENT OF NEEDLE THREAD SENSOR CABLE The needle thread sensor cable effects the timing of both needle thread and looper threads.
  • Page 13 Turn Clockwise Become Loose Turn Counter-clockwise Become Tight Needle thread sensor cable Looper thread sensor cable Needle thread sensor cable adjusting screw Looper thread sensor cable adjusting screw Fine Tuning screw Standard Position...
  • Page 14 6. Checking threading steel pipe joint a) Set the machine for looper threading. b) Move the lock button release lever slightly to the right. c) Check the connecting point whether the looper threading pipe joint and threading steel pipe is fitted each other properly . . 7.

  • Page 16: Thread Breaks

    8. TROUBLE SHOOTING 8-1 NEEDLE THREADS ARE UNBALANCED ; * Is the serger threaded correctly? See Quick Reference Guide * Are the threads snapped in the head guide? See Instruction Book P.23 * Is the stitch selector positioned correctly? See Quick Reference Guide * Is the looper thread fine-tuning screw positioned correctly? See Instruction Book P .16 * Are the threads recommended high quality?