JUKI MO-2000 Series User Manual

MO-2000 Series
SERVICE MANUAL
No.00
40267028
2-Needle, 2/3/4-Thread Overlock Sewing Machine

JUKI MO-2000 Series Specifications

General

Brand	JUKI
Model	MO-2000 Series
Category	Sewing Machine
Language	English

Summary

Standard Adjustment, Disassembly, and Assembly

Installation of the Throat Plate

Height of the Needle Bar

Adjusting the height of the needle bar.

Position of the Feed Dog

How to set the correct position for the feed dog.

Adjusting the Stroke of the Sub Feed Dog

Height of the Feed Dog

Feed Dog Timing

Setting the correct timing for the feed dog.

Position of the Balance Weights and the Cams

Projecting Amount of the Upper Looper

Radius of the Lower Looper

Adjustment of the Loop Lift

Timing Between Upper and Lower Looper

Setting the timing between the upper and lower loopers.

Height and Lateral Position of the Presser Foot

Adjusting the Floating of the Disk of the Thread Tension Controller

Adjusting the Tension of the Thread Tension Controller

How to adjust the thread tension controller.

Adjusting the Needle Threader Hook

Adjusting the Looper Threader Timing

Position of the Lower Knife

Setting the correct position for the lower knife.

Engagement of the Upper Knife with the Lower Knife

Adjusting the engagement between upper and lower knives.

Adjusting the Timing of the Upper Knife

Setting the timing for the upper knife.

Adjusting the Thread Sliding Segment

Specifications

Name of Each Component

Troubles and Corrective Measures

Needle Thread Breakage

Troubleshooting needle thread breakage.

Looper Thread Breakage

Troubleshooting looper thread breakage.

Needle Breakage

Troubleshooting needle breakage.

The Needle Point is Crushed

Stitch Skipping (Needle Thread)

Troubleshooting stitch skipping for needle thread.

Lower Looper Stitches are Skipped

Troubleshooting skipped lower looper stitches.

Upper Looper Thread Stitches are Skipped

Troubleshooting skipped upper looper thread stitches.

Faulty Chain-off Thread

Overlocking Needle Thread is Loose

Irregular Stitches

Troubleshooting irregular stitches.

The Looper Thread Bulges Out

Looper Thread Bite

Knotting Position is Not Correct

Uneven Material Feed

Troubleshooting uneven material feed.

Puckering

Troubleshooting puckering issues.

The Looper Thread Cannot Be Passed

Faulty Needle Threader

Troubleshooting the needle threader.

Thread Sliding Segment Issues

Abnormal Noise