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SERVICE MANUAL
Basic Adjustment
MODEL BLE1
U.S.A.
8W: K6 104507
From
ATW: K6 148120
AT: K6 104551
BLE1SX
BLE1DX
BLE1AT
BLE3ATW
BLE8
BLE8W
BLCS
Serial Numbers
Canada
8W: 100231
ATW: 103681
AT: 307467
DX: 300806
EU
Au. N.Z
8W: 101201
8W: 101484
8: 501001
ATW: 101141
ATW: 101081
AT: 705451
AT: 705771
DX: 715850
DX: 715800
Vol. 6.1
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Summary of Contents for Baby Lock BLE1
- Page 1 SERVICE MANUAL Basic Adjustment MODEL BLE1 BLE1SX BLE1DX BLE1AT BLE3ATW BLE8 BLE8W BLCS Serial Numbers Canada Au. N.Z U.S.A. 8W: 101201 8W: K6 104507 8W: 100231 8W: 101484 From 8: 501001 ATW: K6 148120 ATW: 103681 ATW: 101141 ATW: 101081...
- Page 2 1.NEEDLE NOTE: Before all adjustment, you are required to change all needles to new and correct ones. Needle System : ELx705CF ORGAN (SCHMETZ) Model : BLE8, BLE8W, BLE5, BLCS Plating : Chrome Front Groove Back Groove Needle System : HAx1SP/CR ORGAN (SCHMETZ) Model : BLE1SX, DX, LX, AT, ATW, BL101 Plating : Chrome Front Groove...
- Page 3 2. ADJUSTMENT OF NEEDLE AND PRESSER FOOT HEIGHT a) Height of needle Turn handwheel, and bring the needle to the highest position. Loosen screw "A", and turn the eccentric shaft to clockwise or counter-clockwise. Clockwise ------------------- Lower needle Counter-clockwise--------- Raise needle Height of needle Organ Organ...
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Page 4: Lower Looper Adjustment
3. LOWER LOOPER ADJUSTMENT NOTE: After adjusting loower looper, you are required to check JET AIR THREADING. a) Replacement of lower looper Lower looper fixing screw Slide the pipe rubber, and loosen the screw. Replace new lower looper, and slightly tighten the screw. Adjust the radius 55.4mm 0.1, and firmly tighten the screw. -
Page 5: Upper Looper Adjustment
5 . UPPER LOOPER ADJUSTMENT NOTE: After adjusting upper looper, you are required to +0.3 check JET AIR THREADING. a) Replacement of upper looper Slide the pipe rubber, and loosen the screw. Upper looper fixing screw Replace new lower looper, slightly tighten the screw. The distance from looper from shaft is approx. -
Page 6: Feed Dog Height Adjustment
6. FEED DOG ADJUSTMENT a) FEED DOG HEIGHT ADJUSTMENT Loosen two screws "A" , rotate adjusting screw clockwise or counter-clockwise. Clockwise-----------------------Raise feed dog Counter-clockwise------------Lower feed dog Presser foot Pressure Clockwise Raise Screw A Counter-clockwise Lower Adjusting screw a) FEED DOG POSITION ADJUSTMENT Condition : Stitch Length 4 Differencial Feed N The minimum distance between needle plate and main/sub... - Page 7 7. Differential feed adjustment Correct positon : On condition diff.lever "N" position and stitch length dial "4", main feed dog(rear) and sub feed dog (front) move same length. How to adjust a) Move differential feed adjusting lever to get same moving length of main and sub feed dog.
- Page 8 8-1. REPLACEMENT OF CHAINING TONGUE (EXCEPT BL3ATW) a) Remove needle plate. b) Loosen two screws of chaining tongue Cover plate cover plate and remove it. Cheining tongue c) Watching carefully not to jump out steel ball, remove chaining tongue and replace it. d) You are requied to check the fixing position of the chaining tongue, after replacing it.
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Page 9: Replacement Of Knives
10.NEEDLE PLATE ADJUSTMENT After replace Needle Plate, you are required to adjust position of needle. All needles do not touch needle plate. Needle plate adjusting screw Needles Needles Needle plate adjusting screw Model: BLE8 Model: BLE1 BLE8W BLE1SX BLCS BLE1LX BLE1AT BL3ATW... -
Page 10: Cutting Width Adjustment
11. CUTTING WIDTH ADJUSTMENT 0.1mm a) Cut 1 layar cotton fabric and make a cutting width 3.7 0.1mm between the eye of needle and the edge of fabric. Machine Settings Needle : Right Needle(O2) Thread : No Use Stitch Width : M Stitch Length: 2.5 Differencial feed : N Fabric : Cotton broad 1 layer... - Page 11 12.Adjustment of Thread sensor cable The NEEDLE THREAD SENSOR CABLE effects the timing of Both NEEDLE THREAD and LOOPER THREAD. The LOOPER THREAD SENSOR CABLE effects the timing of LOOPER THREAD. You are required to adjust NEEDLE THREAD SENSOR CABLE first. Turn Clockwise Become Loose Turn Counter-clockwise...
- Page 12 13. TROBLESHOOTING GUIDE FOR JET-AIR THREADING (EXCEPT BLE1SX) NOTE: Before adjustment of JET-AIR THREADING SYSTEM, please check the following items. 1 Is the machine lock button engaged? 2 Is the looper threader selector at the appropriate setting? "U" position for Upper Looper "L"...
- Page 13 13. TROBLESHOOTING GUIDE FOR JET- AIR THREADING (EXCEPT BLE1SX) NOTE: In case that the looper threader does not work properly, please check and confirm the following points. Search the spot that has a problem a) Check whether the pump works properly or not. Depress the looper threading lever while pinching the cylinder tube between your thumb and fingers and check whether there is an air leak or not.
- Page 14 14. ADJUSTING GUIDE FOR JET- AIR THREADING (EXCEPT BLE1SX) a) In case that there is an air leak in the pump 1) Remove piston driving arm fixing screw. 2) Remove piston driving arm from piston driving shaft and then draw out the piston assembly from cylinder.
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Page 15: Chain Looper
14. ADJUSTING GUIDE FOR JET- AIR THREADING (EXCEPT BLE1SX) NOTE: In case that adjusting JET AIR THREADING, do not lay down the machine body on the side. ) In case that the joint pipes do not move smoothly. UPPER LOOPER or LOWER LOOPER Loosen the screw "A"... - Page 16 14. ADJUSTING GUIDE FOR JET- AIR THREADING (EXCEPT BLE1SX) NOTE: In case that adjusting JET AIR THREADING, do not lay down the machine body on the side. ) In case that the end of joint pipe is not in the center of joint pipe receiver. 1) Adjustment of upward and downward direction Check and confirm whether upper, lower and chain looper are in the standard position (See P.
- Page 17 15. REPLACEMENT GUIDE FOR JET- AIR THREADING (EXCEPT BLE1SX) a) Replacement of Upper looper threading pipe and Joint pipe. 1) Loosen the fixing screw of Pipe holder, and remove Pipe holder(1) and (2). 2) Loosen 2 fixing screws of Threader selector plate. 3) Slightly lift Threader selector plate upward and remove Upper looper threading pipe downward and rightward.
- Page 18 16. REPLACEMENT OF ROLLERS OF A.T.D. 1) Loosen the screw (1) and remove Frontdisk moving arm set. 2) Remove Rear disk moving arm set. 3) Loosen the screw (2) and replace Cam.The screw should be placed at the flat of shaft. 4) Replace Rear disk moving arm set.
- Page 19 (7), Chain looper driving cam (8), Feed dog driving cam (9) and Knife driving cam (10) on the main shaft. 3) Remove the main shaft with the handwheel to the rightward. For Model BLE1,BLE1DX,BLE1AT, BLE1ATW,BLE1SX and BLE1LX: Replace Upper driving cam or Rollers . For Model BLE8,BLE8W and BLCS: In case of replasement of Upper looper driving cam or Rollers, it can be replaced.(Except BLCS)
- Page 20 6) Tighten the screws of Machine engage plate set (2) and Timing pulley (1) without a play. 7) For Model BLE1, BLE1AT, BLE3ATW, BLE1SX and BLE1LX Adjust the distance of Lower driving looper cam to be12mm between rightside of left bush and leftside of Lower looper driving cam.
- Page 21 For Knife driving cam For Feed dog driving cam For Lower looper driving cam Main shaft 0.2mm 12mm For BLE8, BLE8W, BLCS For BLE1SX, BLE1, BLE1DX, BLE1LX, BLE1AT, BLE3ATW...
- Page 22 18. Adjusting Gauge...
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