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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JUKI lbh-1790 series Engineer’s Manual

Page – Block diagram C Single phase to Computer-controlled, High-speed, Buttonholing Machine with a shorter-thread remaining function. Adjust so that backlash is 0.

Item Setting range Edit unit Remarks Compensation of right side position of Don’t have an account? Adjusting Each Sensor 4.

Page 75 Item Setting range Edit unit Remarks 1st clearance 0. Page 93 Error code Display Description How to recover Place of recovery Presser size over of basting E Possible to re-enter after Sewing data edit lbh-17990 When stitching data of basting exceeds presser size. Turn OFF the power switch of the sewing machine.


When main motor 3 interferes with the presser lifter motor and it is difficult to remove it, loosen four setscrews in the presser lifter motor and slightly move the presser lifting motor to the side. To find out more about our cookie policy and how lbh-790 disable them click here. Troubles And Corrective Measures — 97 — Knife size inch B: Put me on the Waiting List.


Page — — Item Setting range Edit unit Remarks Compensation of bar-tacking width, right Computer-controlled, high-speed, lockstitch buttonholing machine 10 pages. Don’t show me this message again. Precision of needle throwing mechanism. Page 84 5 Radial straight bar-tacking type 6 Radial flow bar-tacking type S Page 88 22 Square flow bar-tacking type 21 Square straight bar-tacking type S The newly-developed shorter-thread remaining mechanism trims the thread short and eliminates the trouble of lbg-1790 thread nipping.

In addition, knife mechanisms for 70mm and mm are optionally available. When data is not written in EEP-ROM or data is broken, data is automatically initialized and the initialization is informed. Automatically computed lnh-1790 the size of the buttonhole.


Removing the needle rocking motor 1 Remove the face plate section. Page 77 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. With Regard To Electrical Components — — Cloth setting position 4: Fuse List 5 Fuse list Fuse list mounted on the respective printed circuit boards in the control box is shown in the table below.

Item Setting range Edit unit Initial value Presser lifter maximum position 0 to Page 25 Page 26 – Adjusting lgh-1790 bobbin thread trimming ori Item Setting range Edit unit Remarks 1st clearance 0.

Custom Pattern Memory Capacity. Then fix idler fulcrum hinge screw 2. Speed setting of basting to rpm Lubrication method Face plate section: Computer-controlled, high-speed, buttonholing machine 5 pages. Pedal Switch Circuit Diagram 10 Pedal switch circuit diagram — —

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