Baby Lock Triumph BLETS8 Service Manual Download | Manualshive

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SERVICE MANUAL

MODEL BLETS8

Ver.1.2

AUG.2017

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Summary of Contents for Triumph BLETS8

Page 1: ...SERVICE MANUAL MODEL BLETS8 Ver 1 2 AUG 2017 ...

Page 2: ...s 14 2 Adjusting Movement of Pipes 14 3 Adjusting Positioning of Pipes 14 4 Replacing Pipes 15 How to remove the exterior covers 16 Attach exterior covers 17 Electrical Components 18 How to remove the needle threading unit 23 How to remove the lower shaft unit 20 How to adjust inlet postion adjustment 24 Replacing the lower shaft unit 25 Pump unit 21 Inlet adjusting position 22 How to remove attac...

Page 3: ...achine Plating Nickel Front Groove Needle System HAx1SP CR ORGAN SCHMETZ Model BLE3ATW 2 BLE3ATW BLE1AT 2 BLE1EX BLE1DX 2 BLE1 BLE1SX DX LX AT BL101 Plating Chrome Front Groove 1 NEEDLE NOTE Before all adjustment you are required to change all needles to new and correct ones Model BLETS8 BLES8 BLE8W 2 BLE8W BLE8 BLE5 3 BLE5 2 BLE5 BLCS2 BLCS 1 ...

Page 4: ...a n O F E L x 7 0 5 C 9 0 1 4 E L x 7 0 5 C F 9 0 1 4 O 2 N e e d l e C 3 Ne e d l e C O C O C O 0 2 0 R72 6 01 0 6 0 0 5 Needle plate U p p e r l o o p e r a d j u s t m e n t 0 3 C O 1 0 5 0 8 2 O r g a n L o w e r l o o p e r a d j u s t m e n t Clearance 9 5 o r le s s Intersection position between upper looper and lower looper Gap between upper looper and lower looper 0 0 1 Height of needle H...

Page 5: ...Contruction Covers 3 ...

Page 6: ...er and needle Turn the handwheel and bring tip of lower looper to the center of left right needle Loosen looper arm screw and adjust lower looper to the correct position Lower looper fixing screw Right Needle Lower looper position 5 5 9 m m 0 2 14 90 Needle 4 8 mm 0 2 0 0 2 0 d Rear needle guard position Loosen rear needle guard screw and adjust rear needle guard to the correct position e Adjustin...

Page 7: ...9 5 Clearance 0 0 1 0 5 0 8 0 3 C O 1 n a g r O F C 5 0 7 x L E 4 1 0 9 t h g i R O2 e l d e e N 8 7 5 ...

Page 8: ... guards 0 0 0 0 1 9 0 2 0 0 1 9 0 2 0 Overlock Needle Overlock Needle Chain Needle Chain Needle 0 02 0 15 0 n a g r O 4 1 0 9 F C 5 0 7 x L E R 7 2 6 0 2 0 1 0 n a g r O 4 1 0 9 F C 5 0 7 x L E C3 e l d e e N 0 1 C O Chain needle take up Lowest position Chain looper thread take up position timing Chain looper thread take up hight position 2 0 5 14 5 0 0 5 ...

Page 9: ... foot Pressure 1mm 1mm a FEED DOG HEIGHT ADJUSTMENT b FEED DOG POSITION ADJUSTMENT Screw of Main feed dog Rear Screw of Sub feed dog Front Condition Stitch Length 4 Differencial Feed N The minimum distance between needle plate and main sub feed dogs which are moved front and back is 1mm Caution In case of adjusting or replace Feed dog s make sure that surface of feed dog keep parallel and do not t...

Page 10: ...tial feed adjuating lever Differential feed positining ratchet Screw Stitch length Sub feed dog front Main feed dog rear How to adjust a Set differential feed adjuating lever at N position b Loosen two screws of A c Adjust highteness of B and C d Tighten two screws e Make sure main feed dog and sub feed dog move same length Connecting shaft Two screws A B C B C Same hightness ...

Page 11: ...ew temporaly turn the hand pulley and bring the upper knife to the lowest positon c Adjust upper knife to be 1 1 5mm overlapping with cutting face of lower knife d Tighten firmly fixing screw 0 0 2 1 1 5mm UPPER KNIFE Upper Knife Adjustment Lower Knife Adjustment Screw Screw a Remove both knives and replace it b Fix screw of lower knife temporaly c Adjust lower knife to be 0 0 2mm down from surfac...

Page 12: ...encial Feed N Fabric Cotton broad 1 layar b Cutting width adjustment current system Loosen fixing screws of knife holder and knife driving shaft Turn knife driving shaft crockwise or counter clockwise Make sure cutting width c Rotate the stitch width dial to min 3 0 5 5mm distance between lower knife and needle plate is more than 0 5mm 3 5 0 1mm Fixing screw of Knife driving shaft Knife driving sh...

Page 13: ...ot By same method as mentioned a check whether end of the joint pipe is in the centerof the pipe receiver or not NOTE In case that the looper threader does not work properly please check and confirm the following points Pipe receiver Joint pipe Search the spot that has a problem SEARCHING FAILES ...

Page 14: ...and adjust the position of looper thread take up guide 1 and overlock looper threading pipe holder set 2 so that joint pipes 3 may move smothly CHAIN LOOPER Loosen the screw C and D and adjust the position of threading pipe guide 4 and chain looper threading pipe holder set 5 so that joint pipe 6 may move smothly In case that you cannot adjust it properly replace the upper lower or chain looper th...

Page 15: ... position Loosen the 2 screws of threading position setting plate with hexagonal wrench Slightly rotate handwheel with right hand within the angle of 10 degrees while pushing the lock button and moving the releace lever right and left direction slowly and gently with left hand find out the best position that the end of joint pipes are in the center of looper joint pipe receivers 2 Adjustment of fo...

Page 16: ... Thread inlet plate Thread inlet plate Thread inlet plate Thread inlet plate Thread inlet plate Thread inlet plate Thread inlet plate Thread inlet plate Thread inlet plate Thread inlet plate Pipe holder 1 Pipe holder 2 ...

Page 17: ...ove the two screws of the spool stand Remove the two screws of the belt cover Remove the two screws of the arm cover Lower threading lever down and remove the cover 15 How to remove the exterior covers 15 ...

Page 18: ... rear cover Remove the screw of the bed cover Remove the E ring of the front cover hinge shaft and remove the front cover Remove the thread take up cover 15 How to remove the exterior covers 15 How to remove the exterior covers 16 ...

Page 19: ...move the screw of the thread take up guide Remove thread take up guide Remove the screw of the wave selector knob Remove rubber cushions 15 How to remove the exterior covers 17 Be careful to remove cable ...

Page 20: ...Pull out of fine tuning knob Remove screws Remove front cover safety cable Remove bed cover Be careful there is a safety cable on the back side of the arm cover 15 How to remove the exterior covers 18 ...

Page 21: ...Remove screw of knife holder cover Remove two screws of knife cover hinge 15 How to remove the exterior covers 19 ...

Page 22: ...16 Attach exterior covers Attach the knife holder cover Attach the knife cover hinge Make sure there is no gaps Stitch width is minmum 20 Attach the each part and screws ...

Page 23: ...There is no problem even if the three connectors of the safety switch are replaced Attach base plate until each protrude fits Attach the four rubber cushions Make sure through safety code position 16 Attach exterior covers 21 ...

Page 24: ...Attach the speed controller cable Be careful to attach the face cover Be careful to take up cover Attach the wave selector knob 16 Attach exterior covers 22 ...

Page 25: ...Attach the rear cover and 4 screws Attach the set screw on the rear cover from the front Be careful to attach the belt cover to attach the belt cover Be careful 16 Attach exterior covers 23 ...

Page 26: ...6 Attach exterior covers 24 Attach the front cover and E ring First attach the pressure adjusting dial Be careful muting direction Threading lever down and attach the arm cover Attach the spool stand set ...

Page 27: ...ontrol PCB To foot control To front cover To side cover To presser foot Note Since series connection the three connectors can be in any position To needle air threading system arm cover LED From AC Inlet Switching power supply To Control PCB To switching power supply To sewing motor To air threading motor To control PCB 17 ELECTRICAL COMPONENTS 25 ...

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