JUKI LU-1509N User Manual

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

JUKI LU-1509N Specifications

General

Brand	JUKI
Model	LU-1509N
Category	Sewing Machine
Language	English

Summary

Preface

1. Specifications

2. Standard Adjustment

(1) Needle entry position

Adjusting the needle's entry point relative to the throat plate.

(2) Longitudinal position of the feed dog

Setting the front-to-back position of the feed dog.

(3) Lateral position of the feed dog

Adjusting the side-to-side position of the feed dog.

(4) Height of the feed dog

Setting the vertical height of the feed dog.

(5) Height of the hook

Setting the vertical position of the hook.

(6) Adjusting the inner hook guide

Aligning the inner hook guide for proper timing.

(7) Needle-to-hook timing

Synchronizing the needle and hook movement for stitching.

(8) Lift of the presser foot

Adjusting how high the presser foot lifts via hand, knee, or automatic lifter.

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

Synchronizing the main and lower shafts.

(10) Feed cam timing

Sets timing for horizontal and top feed cams.

(11) Feed motion

Adjusts alternate vertical movement and momentum of feed.

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

Adjusting the bottom feed amount.

(13) Stitch length of normal/reverse feed

Setting stitch length for normal and reverse feed.

(14) Balancer (Machine without thread trimmer only)

Adjusting the balancer for smooth operation.

(15) Vertical position of the needle bar rocking frame

Setting the vertical position of the needle bar rocking frame.

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

Dimension of the needle stop adjusting slide shaft assembly.

(17) Position of the change lever

Setting the position of the change lever.

(18) Position of the reverse feed control lever

Setting the position of the reverse feed control lever.

(19) Safety clutch

Adjusting and resetting the safety clutch.

(20) Reverse feed cylinder

Adjusting the reverse feed cylinder.

(21) Lubrication

Covers manual and automatic lubrication procedures.

(22) Thread trimmer device

Details counter knife, moving knife, and trimmer cam adjustments.

(23) Alternate vertical dial

Sets position of detection switch for alternate vertical movement.

3. INSTALLATION OF THE OPTIONAL PARTS

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

Installing the DL device.

(2) Thread trimmer Ver.UP set

Installing the thread trimmer Ver.UP set.

(3) Bobbin thread remaining amount detecting device

Installing the bobbin thread remaining amount detector.

(4) Automatic reverse feed device

Covers installation of reverse feed device, touch-back switch, and pneumatic components.

(5) Automatic presser foot lifter

Installing the automatic presser foot lifter.

4. PORTION TO WHICH LOCKTITE IS APPLIED

5. SELECTIVE PARTS AND CONSUMABLE PARTS

6. Engraved marker dots on the handwheel

7. Lubrication route diagram

8. Machine head wiring

(1) Connectors coming from machine head

Wiring details for machine head connectors.

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

Wiring details for relay cable connectors.

9. Table of troubles and corrective measures

(1) With regard to sewing

Troubleshooting sewing issues like thread breakage.

(2) With regard to thread trimming

Troubleshooting thread trimming problems.

10. Drawing of the table