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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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 juii sens Item Setting range Edit unit Initial value Presser lifter maximum position 0 to Removing the timing belt 1 Loosen two coupling setscrews 1.

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.

Knife groove width, right S Page 90 29 Bar-tacking, left cut 30 Bar-tacking, center cut S DP type, full-rotary hook.

ACT timing adjustment at the start of right -5 to 5 1 stitch overedging Chainstitch Button Hole Sewing jui Tag Overedging width, left — Page — — Basting stitch mechanism is effective for the production of beautiful buttonholes.

Adjusting The Lbn-1790 Timing Belt Tension 3 Lb-1790 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.


Email this page to a friend. Cloth cutting length S Needle thread tension for sewing parallel and bartacking sections of buttonholes can be separately controlled through the operation panel and stored in memory according to various sewing conditions e.

Juki LBH Parts | College Sewing Machine Parts Ltd

Page 89 25 Semilunar radial type 26 Semilunar round type S Page — 99 — Throat plate Knife drop groove Edge of machine arm Page jukk Page 58 – Replacing the cloth cutting knife soleno Item Setting range Edit unit Initial value Cloth cutting knife size 3. When solenoid power of servo control p. JUKI’s unique active tension Electronic thread tension control system.

Adjustment Procedures Results of Improper Adjustment 1.

Table of Contents Add to my manuals Add. How ujki use the pedal Refer to Instruction Manual. Lightly loosen idler fixing screw 1 and idler fulcrum hinge screw 2, and tighten idler fixing screw 1 in the state that idler 4 is placed to timing belt 5 by pressing with tension spring 3.

Juki LBH-1790 Sewing Machine Parts

Page 59 Page 60 – Replacing the cloth cutting knife soleno J commodity without notice. Page 99 5 Non-lubrication hook Part No. Item Setting range Edit unit Remarks Compensation of right side position of Item Setting range Edit unit Remarks Compensation of bar-tacking width, right Page — 98 — 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 neatly the plane of washer 3.

Origin of needle rocking stepping motor 4 can be adjusted with memory switch level 2 2. All rights reserved throughout the world.

Juki LBH, Electronic Button Hole Machine

Knife groove width, left — Don’t show me this message again. Turn OFF the power switch of the sewing machine. Size of cloth cutting knife. Pedal Switch Circuit Diagram 10 Pedal switch circuit diagram — — Automatically computed from the size of the buttonhole.

Error code Display Description How to jjki Place of recovery Presser size over of basting E Possible to re-enter after Sewing data edit screen When stitching data of basting exceeds presser size.

Got it, continue to print. The machine eliminates oil stains on the sewing product.

Sewing possible state Yellow: Page 51 Page 52 – Adjusting the timing belt of main shaft Kinfe groove width, right S Adjusting The Presser Lifter 10 Adjusting the presser lifter Standard Adjustment 1 Adjusting the backlash of the presser lifter gear 1.