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JUKI LU-1560N User Manual

JUKI LU-1560N
80 pages
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29340700
No.E337-02
R
ENGINEER’S MANUAL
1-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE
(AUTOMATIC LUBRICATION)
LU-1510N
1-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE WITH AUTOMATIC THREAD
TRIMMER (AUTOMATIC LUBRICATION)
LU-1510N-7, LU-1511N-7
1-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE
LU-1508N, LU-1509N
1-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE (FOR EXTRA HEAVY-WEIGHT MATERIALS)
LU-1508NH, LU-1509NH
2-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE (AUTOMATIC LUBRICATION)
LU-1560N, LU-1561N
2-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE WITH AUTOMATIC THREAD
TRIMMER (AUTOMATIC LUBRICATION)
LU-1560N-7, LU-1561N-7
2-NEEDLE, UNISON FEED, LOCKSTITCH MACHINE WITH ORGANIZED SPLIT NEEDLE BAR
LU-1565N

Table of Contents

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JUKI LU-1560N Specifications

General IconGeneral
Operation ClassIndustrial
Stitch TypeLockstitch
Max Stitch Length5 mm
Needle bar stroke36.5 mm
HookRotary hook
Motor TypeClutch motor or servo motor
MotorServo Motor

Summary

PREFACE

1. SPECIFICATIONS

2. STANDARD ADJUSTMENT

(1) Needle entry position

Specifies the correct vertical position of the needle in relation to the throat plate.

(2) Longitudinal position of the feed dog

Details the correct fore-and-aft positioning of the feed dog relative to the needle.

(3) Lateral position of the feed dog

Explains how to adjust the side-to-side position of the feed dog.

(4) Height of the feed dog

Defines the correct vertical height of the feed dog relative to the throat plate.

(5) Height of the hook

Specifies the correct vertical clearance between the hook and the needle.

(6) Adjusting the inner hook guide

Guides on setting the position of the inner hook guide for proper hook timing.

(7) Needle-to-hook timing

Critical adjustment for synchronizing needle and hook movement for stitch formation.

(8) Lift of the presser foot

Details the adjustment for the vertical movement of the presser foot.

(9) Timing between the upper shaft and the lower shaft

Adjustment for synchronizing the rotation of the upper and lower shafts.

(10) Feed cam timing

Adjustment of timing for the feed cam mechanisms for proper feed dog movement.

(11) Feed motion

Adjustments related to the alternate vertical movement and momentum of the feed mechanism.

(12) Needle sway (Adjusting the bottom feed amount)

Adjustment of the needle's lateral movement, related to bottom feed amount.

(13) Stitch length of normal/reverse feed

Procedure to ensure correct stitch length for both forward and reverse feeding.

(14) Balancer (Machine without thread trimmer only)

Balancing adjustment for the machine, specifically without a thread trimmer.

(15) Vertical position of the needle bar rocking frame

Adjustment of the vertical position of the needle bar rocking frame assembly.

(16) Dimension of the needle stop adjusting slide shaft (asm.)

Specifies the dimension for the needle stop adjusting slide shaft assembly.

(17) Position of the change lever

Adjustment of the position of the change lever for various machine functions.

(18) Position of the reverse feed control lever

Setting the correct position for the reverse feed control lever.

(19) Safety clutch

Information on the safety clutch, including resetting and torque adjustment.

(20) Reverse feed cylinder

Adjustment related to the reverse feed cylinder mechanism.

(21) Lubrication

Guidelines for manual and automatic lubrication of the sewing machine.

(22) Thread trimmer device

Adjustments for the thread trimmer device, including knives, cams, and timing.

(23) Alternate vertical dial

Installation and adjustment of the alternate vertical dial and its detection switch.

3. INSTALLATION OF THE OPTIONAL PARTS

(1) DL device (For the machine with thread trimmer only)

Installation of the DL device for machines equipped with a thread trimmer.

(2) Thread trimmer Ver.UP set

Installation of the Thread trimmer Ver.UP set for specific LU models.

(3) Bobbin thread remaining amount detecting device

Installation of the device to detect the remaining amount of bobbin thread.

(4) Automatic reverse feed device

Detailed steps for installing the automatic reverse feed device and its components.

(5) Automatic presser foot lifter

Instructions for installing the automatic presser foot lifter and its pneumatic components.

4. PORTION TO WHICH LOCKTITE IS APPLIED

5. SELECTIVE PARTS AND CONSUMABLE PARTS

6. ENGRAVED MARKER DOTS ON THE HANDWHEEL (FOR THE MACHINE WITH THREAD TRIMMER ONLY)

7. LUBRICATION ROUTE DIAGRAM

8. MACHINE HEAD WIRING (FOR THE MACHINE WITH THREAD TRIMMER ONLY)

(1) Connectors coming from machine head

Wiring details for connectors originating from the sewing machine head.

(2) Connectors coming from pneumatic device

Wiring specifications for connectors from the pneumatic device.

(3) Connectors coming from the relay cable (Connecting side to the control box)

Wiring information for relay cable connectors to the control box.

9. TABLE OF TROUBLES AND CORRECTIVE MEASURES

(1) With reagard to sewing

Troubleshooting guide for common sewing issues like thread breakage and skipped stitches.

(2) With regard to thread trimming

Troubleshooting guide for thread trimming problems, including skips and failures.

10. DRAWING OF THE TABLE

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