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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Don’t have an account? Table of Contents Add to my manuals Add. Disassembling the face plate section 1 Remove the face plate and the needle.

Juki LBH-1790

Removing the timing belt 1 Remove the feed plate and the throat plate connection and loosen two setscrews 1 in the hook driving shaft bearing bush. Overedging width, left S 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.

Page – Block diagram C Single phase to Time Chart 4 Trimming position!

Page 82 Item Setting range Edit lbh-7190 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. Page 15 Page 16 – Adjusting the needle thread trimmer Page 17 Page 18 – Needle thread trimming adjustment mode Page 19 Page 20 – Adjusting the needle thread trimmer orig Chainstitch Button Hole Sewing machine Tag Error code Display Juoi How to recover Place of recovery Presser size over of basting E Possible to re-enter after Sewing data edit screen When stitching data lbg-1790 basting exceeds presser size.


Page 25 Page 26 – Adjusting the bobbin thread trimming ori Knife groove width, left — For the position of the stopper, refer to 3.

Item Setting range Edit unit Initial value Presser lifter maximum position 0 to Standard Adjustment 3 Adjusting the presser lifter origin juoi 1 Adjusting the senor Draw backward. When data is lb-h1790 written in EEP-ROM or data is broken, data is automatically initialized and the initialization is informed. We use cookies to give you the best online experience. Machine head drive system.

Custom Pattern Memory Capacity. Press MODE key 4 to enter memory switch level 2 of the adjustment mode.

In addition, knife mechanisms for 70mm and mm are optionally available. DP5 11J 11J 14J. Put the sewing machine in the bobbin thread trimming adjustment mode with level 2 of memory switch.


Remove the needle bar and neel bar bracket together with needle bar rocking frame 5. Servo Motor Circuit Diagram 7 Servo motor circuit diagram — — Align shaft end 1 of solenoid with the edge of thrust collar 2.

Standard Sewing Shape List 2. Page 99 5 Non-lubrication hook Part No.

Page 21 Lbh-11790 22 – Longitudinal and lateral adjustment of t Kinfe groove width, right S The Instruction Manual for these machines intended for the maintenance personnel and operators at an apparel factory contains operating instructions in detail. Data change is possible. Page 57 Page 58 – Replacing the cloth cutting knife soleno Remove the needle and the cloth cutting knife from the sewing machine.

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Adjustment Procedures Results of Improper Adjustment Loosen setscrews 2 in bobbin thread trimming origin detecting sensor installing plate 1, align the edges of the arrrow mark in the figure with each other, and tighten setscrews 2. Page — 99 — Computer-controlled, high-speed, buttonholing machine 5 pages. When main motor 3 interferes with the presser lifter motor and it is difficult to remove it, loosen four setscrews in the presser lifter obh-1790 and slightly move the presser lifting motor to the side.

The newly-developed shorter-thread remaining mechanism trims the thread short and eliminates the trouble of manual thread nipping. Error Code List Sewing settings can be easily changed.

Page 85 9 Eyelet straight bar-tacking type 10 Eyelet flow bar-tacking type S To find out more about our cookie policy and how to disable them click here.

Buttonholing machine with a mm work clamp which supports the simplified indexer function has been added to the family of buttonholing sewing machines. The machine eliminates oil stains on the sewing juji. Needle at the time of delivery.