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JUKI 35800 Series User Manual

JUKI 35800 Series
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40052737
No.E376-00
ENGINEER’S MANUAL
Feed-off-the arm, 3-Needle, Double Chainstitch Machine
35800 Series
®

Table of Contents

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JUKI 35800 Series Specifications

General IconGeneral
Differential Feed Ratio0.7 - 2.0
TypeOverlock Machine
Stitch TypeOverlock
Stitch Length0.8 - 4 mm
Needle Size#11-#14
LubricationAutomatic
Stitch Length (Adjustable)1.0 - 4.0 mm
Lubricating OilJUKI Original Lubricating Oil

Summary

General Introduction

Machine Specifications

(1) Roller mechanism/clutch type

Details specifications for the clutch type roller mechanism.

(2) Roller mechanism/belt type

Details specifications for the belt type roller mechanism.

Model Variations

(1) Model list using the roller mechanism of the clutch type

Lists clutch type models and their specifications.

(2) Model list using the roller mechanism of the belt type

Lists belt type models and their specifications.

Model Code Structure Explained

3. Description of US model code

Explains the US model code structure.

4. Description of model code

Explains the general model code structure.

Machine Head Component Identification

5. Names of machine head

Identifies and labels the various parts of the machine head.

Threading Instructions

(1) Differential feed

Explains needle and looper threading for differential feed.

(2) 1 piece feed

Explains needle and looper threading for 1 piece feed.

Standard Adjustment Procedures

(2) Timing between the looper and needle bar

Details the timing adjustment between looper and needle bar.

(3) Adjustment of the needle entry positions in the right-left and front-rear directions

Adjusting needle entry in right-left and front-rear directions.

(4) Looper adjustment

Covers looper return and clearance between looper and needle.

(5) Adjusting the height of the needle bar

Details the procedure for adjusting needle bar height.

(6) Adjustment of the looper motion paths

Explains adjusting looper motion in front-rear direction.

(7) Adjustment of rear needle guide

Covers longitudinal and height adjustment of rear needle guide.

(10) Adjustment of feed mechanisms

Adjusting stitch length and differential feed amount.

(11) Presser adjustment

Adjusting amount of rise and pressure of the presser.

(12) Adjustment of upper feed roller

Adjusting clearance and positioning of the upper feed roller.

(13) Replacement and adjustent of upper feed roller

Details replacement types and procedures for the upper feed roller.

(14) Adjustment of drawing amount of upper feed roller

Adjusting the drawing amount of the upper feed roller.

(15) Adjustment of needle thread path

Adjusting height of needle thread adjusting path and rocking take-up path.

(16) Adjustment of bobbin thread cam

Standard positioning and adjustment of the bobbin thread cam.

(17) Adjustment of tension disk rise

Standard positioning and adjustment of the tension disk rise.

(18) Adjustment of air nozzle (air blow)

Standard position and height adjustment of the air nozzle.

(19) Adjustment of folder

Folder mounting position adjustment.

Lubrication

Folder Types

Maintenance

(1) Spare parts

Lists part numbers for various machine components.

Modification Parts for 35800 Class B8/B9

Troubleshooting Guide

1. Thread breakage

Lists causes and corrective measures for thread breakage.

2. Thread cut at bobbin thread looper

Lists causes and corrective measures for thread cut at bobbin thread.

3. Needle breakage

Lists causes and corrective measures for needle breakage.

4. Needle edge blunting

Lists causes and corrective measures for needle edge blunting.

5. Stitch skipping

Lists causes and corrective measures for stitch skipping.

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