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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Lift of the work clamp. Standard Adjustment 3 Adjusting the presser lifter origin sensor 1 Adjusting the senor Draw backward.

Page 90 29 Bar-tacking, lb-h1790 cut 30 Bar-tacking, center cut S Speed setting of basting to rpm Table of Contents Add to my manuals Add. To print the manual completely, please, download it. Adjustment Procedures Results of Improper Adjustment 1.

Computer-controlled, high-speed, buttonholing machine 5 pages. Provided as standard stepping motor type. Overedging width, left — Don’t show me this message again.

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Put the sewing machine in the bobbin thread trimming adjustment mode with level 2 of memory switch. Detailed Explanation Of Continuous Stitching 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. Head Sensor Circuit Diagram 9 Head sensor circuit diagram — — 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.


Number of patterns that can be input. Knife size inch B: Page – Power circuit diagram Single phase V Cloth cutting length S Page 25 Page 26 – Adjusting the bobbin thread trimming ori Computer-controlled, high-speed, lockstitch buttonholing machine 10 pages. Page – Power circuit diagram Single phase Complete dry-head machine is RP bobbin case produced by installing non-lubrication Hook sleeve asm.

Item Setting range Edit unit Remarks 1st clearance 0. By using our website you agree to our use of cookies in accordance with our cookie policy.

Adjusting Each Sensor 4. With Regard To Mechanical Components — — Turn OFF the power switch of the sewing machine. Automatically computed from the size of the buttonhole. Page 13 Page 14 – Adjusting the rotary play of the cloth c Intermittent lbh-1970 by stepping motor.

Automatic Sewing Machine JUKI-LBH-1790

Servo Motor Circuit Diagram 7 Servo motor circuit diagram — — By pressing ‘print’ button you will print only current page. Page 99 5 Non-lubrication hook Part No. Page 51 Page 52 – Adjusting the timing belt of main shaft Remove presser roller installing base 0 0.

Page 87 17 Eyelet round type 18 Square radial type S Page 75 Item Setting range Edit unit Remarks 1st clearance 0. Thanks to the multiple knife-dropping function, it is no longer required that the knife be changed at the buttonhole size is changed.


Removing the timing belt 1 Loosen two coupling setscrews 1. Adjust so that backlash is 0.

Troubles And Corrective Measures — 97 — Knife groove width, right S Fuse List 5 Fuse list Fuse list mounted on the respective printed circuit boards in the control box is shown in the table below. 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. Pitch at parallel section Overedging width, left S Sewing settings can be easily changed. Knife groove width, left — LBHA Series Computer-controlled, High-speed, Lockstitch Buttonholing Machine Thanks to the multiple knife-dropping function, it is no longer required that the knife be changed at the buttonhole size is changed.

Strip off the tape and wipe off jki the plane of washer 3.

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The knife supports sewing lengths of 41mm at the maximum. Basting stitch mechanism is effective for the production of beautiful buttonholes. Disassembling the face plate section 1 Remove the face plate and the needle.