Related Manuals for JUKI LG-158
Summary of Contents for JUKI LG-158
- Page 1 LG-158 LG-158-1 INSTRUCTION MANUAL NOTE : Read safety instructions carefully and understand them before using. Retain this Instruction Manual for future reference. No.02 40095659...
- Page 2 TO ENSURE SAFE USE OF YOUR SEWING MACHINE For the sewing machine, automatic machine and ancillary devices (hereinafter collectively referred to as "machine"), it is inevitable to conduct sewing work near moving parts of the machine. This means that there is always a possibility of unintentionally coming in contact with the moving parts.
- Page 3 SAFETY PRECAUTIONS DANGER CAUTION ii ii...
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- Page 5 iv iv...
- Page 6 Precautions to be taken so as to use the LG-158, 158-1 more safely 1. Keep your hands away from needle when you turn ON the power switch or while the machine is in operation. 2. Do not put your fi ngers into the thread take-up cover while the machine is operating.
- Page 7 4. Also to conform to the RoHS Directive 2011/65/EU 5. Relevant information on which should be transmitted in response to a reasoned request by the national authorities, by the electronic method or other according to the request. LG-158 Series Model Description...
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Page 8: Table Of Contents
CONTENTS SPECIFICATIONS ........................1 1. INSTALLING THE MACHINE ....................1 2. INSTALLING THE THREAD STAND ..................2 3. LUBRICATION ........................3 4. HOW TO INSTALL THE NEEDLE ..................3 5. ON THREADS ........................4 6. HOW TO PASS THE BOBBIN THREAD ................4 7. -
Page 9: Specifications
3/4" (Standard), 1/4", 5/16", 3/8", 1/2", 5/8", 7/8", Needle gauge 1", 1-1/4", 1-1/2", 2", 2-1/4", 2-1/2" Lubricating oil JUKI New Defrix Oil No. 1 - Equivalent continuous emission sound pressure - Equivalent continuous emission sound pressure level (L ) at the workstation:... -
Page 10: Installing The Thread Stand
5) Installation of the machine Put the sewing machine head on the table with the sewing ❹ machine head and hinge seats ❸ aligned. Fix hinge seat ❸ with screw ❹ , washer ❺ and nut ❻ sup- plied with the machine. 6) Installing the coupling chain Attach chain ❽... -
Page 11: Lubrication
* Before starting the machine: 1. For lubrication, use JUKI New Defrix Oil No.1 which is in the accessory box. 2. Before operating the machine, lubricate the parts shown by arrows in the fi gure. To lubricate the face part, loosen the face plate set screw and by placing the face plate on top, lubricate the oil wick and the moving parts. -
Page 12: On Threads
5. ON THREADS For the needle thread, left-twist thread should be used. For the bobbin thread, either left-twist or right-twist thread can be used. To verify the twist of thread, hold the thread as shown in the fi gure and if the thread is twisted toward front by the left hand and is wound tight, it is a right- twist thread. -
Page 13: Thread Tension
8. THREAD TENSION WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. * Needle thread tension The thread tension of the right side needle can be adjusted by the right side thread tension nut ❶... -
Page 14: How To Wind A Bobbin Thread
9. HOW TO WIND A BOBBIN THREAD The bobbin thread winder of this machine is built-in to the frame of the machine. To wind the bobbin thread, fi rst insert the bobbin to the bobbin winding shaft ❶ as far as it will go. Next, pass the thread to bobbin thread guide base ❸ and ❷... -
Page 15: Adjusting The Walking Foot And Presser Foot
11. ADJUSTING THE WALKING FOOT AND PRESSER FOOT WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1. -
Page 16: Installing And Dismantling The Sewing Hook
12. INSTALLING AND DISMANTLING THE SEWING HOOK WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1. -
Page 17: Height Of The Presser Foot
14. HEIGHT OF THE PRESSER FOOT WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. Raise up the knee lifter. -
Page 18: Adjusting The Stitch Length
16. ADJUSTING THE STITCH LENGTH While pushing the feed adjusting button ❶ , rotate the handwheel and when the end of the button has entered the groove of the cam, rotate the handwheel fore and aft while the feed adjusting button ❶ is being pushed, until the desired fi g- ure of the graduator plate is matched with the carved line ❷... -
Page 19: Adjusting The Presser Foot And The Walking Foot
19. ADJUSTING THE PRESSER FOOT AND THE WALKING FOOT WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1) When the lifting amount of the presser foot and the walking foot is to be made equal: 1. -
Page 20: Exchanging The Timing Belt
21. EXCHANGING THE TIMING BELT WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1. -
Page 21: Adjusting The Fore & Aft Position Of Needle Bar Rocker Frame
Frequency revolution of of motor pulley handwheel motor motor 50Hz 2,865 rpm φ LG-158 1,500 sti/min 108.5 φ LG-158-1 60Hz 3,430 rpm φ (Caution) The effective diameter of motor pulley is obtained by subtracting 5 mm from its outside diameter. -
Page 22: Problems With Sewing And Corrective Measures
26. PROBLEMS WITH SEWING AND CORRECTIVE MEASURES Problems Causes Corrective measures 1. Needle thread ① Bruise on thread path, needle point, ○ Polish off the bruise of blade point of hook with breakage. blade point of sewing hook and groove a fi... - Page 23 Problems Causes Corrective measures ⑤ Height of needle bar is not matched. ○ When the needle bar is at lowest point make the distance between the bottom of needle clamp and upper surface of throat plate to 21. 2 mm (53/64"). ⑥...
- Page 24 Please do not hesitate to contact our distributors or agents in your area for further information when neces- sary. Copyright Ⓒ 2011-2013 JUKI CORPORATION ＊ The description covered in this instruction manual is subject to change for improvement of the commodity without notice.