2 Select the pattern No. you desire to sew. When the power is turned ON, the data input screen is displayed. Pattern No. button. (B) which is selected at present. Product Information of LBHAN Series – JUKI Industrial Sewing Machine. Only spare parts designated by JUKI can be used for repairs. .. Computer- controlled, high-speed, lockstitch buttonholing machine, LBH, has the subclass.

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Enter lnh-1790 from picture: Page 51 Page 52 – Adjusting the timing belt of main shaft Page 27 Page 28 – Replacing the bobbin thread trimmer Page 29 Page 30 – Adjusting the presser lifter Page 31 Page 32 – Adjusting the presser lifter origin sens Computer-controlled, High-speed, Buttonholing Machine with a shorter-thread remaining function.

Computer-controlled, high-speed, lockstitch buttonholing machine 8 pages. Error Code List Table of Contents Add to my manuals Add.

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Troubles And Corrective Measures — 97 — Align shaft end 1 of solenoid with the edge of thrust collar 2. Loosen setscrew 2 in needle bar rocking lever, rear 1, and make a state that needle bar rocking frame 3 can move freely to the right and left.

Speed setting of basting to rpm Chainstitch Button Hole Sewing machine Tag Remove the needle and the cloth cutting knife from the sewing machine. Built-in the lbh-7190 head.


Removing the timing belt 1 Remove the feed plate and the lbh1-790 plate connection and loosen two setscrews 1 in the hook driving shaft bearing bush. Throat plate Knife lvh-1790 groove Edge of machine arm Page – Power circuit diagram Single phase V Page 23 Page 24 – Adjusting the needle thread draw-in amou Frame shape offers improved operability.


Page 57 Page 58 – Replacing the cloth cutting knife soleno How to use the pedal Refer to Instruction Manual. Item Setting range Edit unit Remarks ACT timing adjustment at the start of 1st bar- -5 to 5 1 stitch tacking This item adjusts needle thread tension output start timing at 1st bar-tacking section. Item Setting range Edit unit Remarks Compensation of right side position jukki Number of standard patterns. Page 81 2 Level 2 Press key for three seconds and it is possible to edit.

Turn OFF the power switch of the sewing machine. Origin of needle rocking stepping motor 4 can be adjusted with memory switch level 2 2.

Item Setting range Edit unit Initial value Presser lifter maximum position 0 to Item Setting range Edit unit Initial value Knife solenoid lifting time setting 5 to Knife cylinder lowering time Optional 5 to Y-feed motor origin compensation to 1 pulse 0. Needle thread tension for sewing jui and bartacking sections of buttonholes can be separately controlled through the operation panel and stored in memory according to various sewing conditions e.

With Regard To Electrical Components — — In addition, knife mechanisms for 70mm juji mm are optionally available.

Automatic Sewing Machine JUKI-LBH-1790

When solenoid power of servo control p. Memory Switch Data List 2 Memory switch data list 1 Level 1 Memory switch data level 1 are the motion data that the sewing machine has in common and the data that operate on all sewing patterns in common. Provided as standard stepping motor type. Explanation Of Shape 9. Data change is pbh-1790. Page — 99 — Cloth cutting knife system.


Complete dry-head machine is RP bobbin case produced by installing non-lubrication Hook sleeve asm. Needle at the time of delivery. Adjusting The Feed Timing Belt Tension 3 Adjusting the feed timing belt tension Standard Adjustment General drawing of feed mechanism Feed stepping motor Feed shaft Feed guide shaft 4 Knife drop position Standard Adjustment Knife should drop in the center of the knife drop groove in the throat plate.

Knife groove width, left — Page 25 Page 26 – Adjusting the bobbin thread lbh1-790 ori Page of Go. Quantity Add to Cart. jukk

Servo Motor Circuit Diagram 7 Servo motor circuit diagram — — Item Setting range Edit unit Remarks Compensation of bar-tacking width, right Thanks to the multiple knife-dropping function, it is no longer required that the knife be changed at the buttonhole size is changed. Time Chart 4 Trimming position! Remove presser roller installing base 0 0.

Number of patterns that can be input. Knife groove width, left S Drawing Of The Table Disassembling the face plate section 1 Remove the face plate and the needle. Loosen setscrews 1 and adjust so that the longitudinal position time of trimming and cannot be of the trimmer is set to 0 to 3 mm from the center of the needle trimmed.

Page 89 25 Semilunar radial type 26 Semilunar round type S