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 Parts | College Sewing Machine Parts Ltd

Page – Power circuit diagram Single phase Error Code List Overedging width, left — 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. Remove the needle bar and neel bar bracket together with needle bar rocking frame 5. All rights reserved throughout the world. Adjusting Each Sensor 4.

Juki Automatic Sewing Machine LBH 1790A, Speed: 4200 RPM

Press MODE key 4 to kuki memory switch jukii 2 of the adjustment mode. Pedal Switch Circuit Diagram 10 Pedal switch circuit diagram — — Then fix idler fulcrum hinge screw 2. Active tension electronic thread tension control system. The machine eliminates oil stains on the sewing product. Removing the timing belt 1 Loosen two coupling setscrews 1.


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.

Error code Display Description How to recover 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.

Don’t have an account? Built-in the machine head. This item is applied to all shapes. Adjusting The Presser Lifter 10 Adjusting the presser lifter Standard Adjustment 1 Adjusting the backlash of the presser lifter gear 1.

Strip off the tape and wipe off neatly the plane of washer 3. Page – Power circuit diagram Single phase V Adjustment Procedures Results of Improper Adjustment 1. 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 lb-1790 knife drop groove in the throat plate.

E Turn OFF the power. Knife size mm C: Page 82 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. Standard Sewing Shape List 2. Enter text from picture: Servo Motor Circuit Diagram 7 Servo motor circuit diagram — — Turn OFF the power switch of the sewing machine.


Put me on the Waiting List. Item Setting range Edit unit Initial value Presser lifter lvh-1790 position 0 to Align shaft end 1 of solenoid with the edge of thrust collar 2. Computer-controlled, high-speed, lockstitch buttonholing machine 10 pages.

Automatic Sewing Machine JUKI-LBH-1790

Needle thread tension for sewing parallel and bartacking sections of buttonholes can be separately controlled through the operation lbb-1790 and stored in memory according to various sewing conditions e. Automatically computed from the size of the buttonhole. Page – Power circuit diagram 3-phase to Knife groove width, left — Kinfe groove width, right S Page 2 Replacing and assembling procedure of the parts 1.

Various Data List 8.

Origin of needle rocking stepping motor 4 can be adjusted with memory switch level 2 2.

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