Table Of Contents - Yamato VG3721-8 Instruction Manual

Table of Contents

Contents2
Safety Instructions4
To Ensure Safe Use4
Application And Purpose4
Before Use4
Maintenance, Inspection And Repair5
During Operation5
Removal5
Meaning Of Caution Signs5
Alert Pictorial Markings6
Warning Labels On Sewing Machines6
Name Of Each Part8
Installation9
Table Cutting Diagram9
Table Top Type9
Motor, Belt And Pulley12
Clutch Motor12
Servomotor12
Hanging Belt13
Belt Cover13
Eye Guard And Finger Guard14
Thread Guide Plate14
Accessories15
Sewing Speed And Rotating Direction Of Pulley16
Lubrication17
Lubricating Oil17
Lubricating17
Changing Oil18
Checking And Replacing Oil Filter18
Period Of Changing18
Procedure For Changing18
Proper Operation19
Needle System19
Installing Needles19
Threading20
Looper Thread20
Adjusting Thread Tension21
Pressure Of Presser Foot21
Adjusting Position Of Presser Foot21
Adjusting Movement Of Differential Feed Dog22
Adjusting Stitch Length23
Hemming Guide (Left)24
Trimming Width Of Fabric24
Hemming Guide (Right)25
Fabric Guide (Right)25
Pressure Of Walking Presser Foot26
Raising Upper Feed Roller27
Pressure Of Upper Feed Roller27
Sp Device And Hr Device28
Cleaning The Machine28
Adjustments29
Needle Thread Tension29
Needle Thread Eyelet29
Needle Thread Guide29
Top Cover Thread Tension30
Looper Thread Tension30
Needle And Spreader31
Top Cover Thread Guide32
Top Cover Thread Eyelet32
Distance Between Needle And Looper33
Using Timing Gauge33
Height Of Needle34
Needle And Front - And Rear Position Of Looper34
Needle And Needle Guard35
Needle And Needle Guard (Front)36
Height Of Feed Dog36
Changing Range Of Differential Ratio37
Presser Foot Lift38
Replacing Fabric Presser39
Feeding Amount Of Puller40
Pressure Of Clutch Tension Spring40
Trimming Mechanism42
Adjusting Trimming Position Of Fabric42
Adjusting Suction Pipe43
Adjusting Suction Pipe Cover43
Removing And Resetting Lower Knife44
Removing And Resetting Upper Knife45
Adjusting Upper Knife Stroke46
Sharpening Knives47
Stop The Movement Of Left Knife48
Cancellation Of Left Knife49
Specifications50