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Yamato VT2500 User Manual

Yamato VT2500
41 pages
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Thank you for purchasing this product. This instruction manual contains infor-
mation on how to handle this product and precautions in usage. Before using
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its content. Also, keep this manual in safe handy place so that others may use
it as future reference.
Instruction Manual
3-Needle Cylinder Bed
Interlock Stitch Machine
VT2500
Class
VT1500.2500_01
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Yamato VT2500 Specifications

General IconGeneral
BrandYamato
ModelVT2500
CategorySewing Machine
LanguageEnglish

Summary

To Ensure Safe Use

Application and Purpose

Defines the intended use and application of the sewing machine.

Before Use

Emphasizes reading all manuals before operating the sewing machine.

Working Environment

Lists unsuitable environments for operating the sewing machine to ensure safety.

Unpacking and Transportation

Provides instructions for safely unpacking and transporting the sewing machine head.

Installation and Preparation

Instruction and Training

Highlights the need for trained personnel for machine operation and maintenance.

Sewing Table and Motor

Details requirements for the sewing table, lighting, and motor installation.

Wiring

Instructions for correctly wiring the sewing machine head, motor, and electric apparatus.

Before Operation

Precautions to take before operating the sewing machine, including lubrication and power checks.

During Operation

Safety guidelines to follow while operating the sewing machine, covering guards and moving parts.

Removal

Procedures for safely removing parts or the machine head, including power off precautions.

Maintenance, Inspection, and Repair

Maintenance, Inspection, and Repair

Guidelines for performing maintenance, inspection, and repair safely and correctly.

Caution Signs and Alert Pictorial Markings

Meanings of Caution Signs

Explains the meaning of WARNING and CAUTION signs used in the manual.

Alert Pictorial Markings

Describes various pictorial markings indicating warnings and cautions for specific hazards.

Warning Labels on Sewing Machines

Warning Labels on Sewing Machines

Describes specific warning labels affixed to the sewing machine and their meanings.

Location of Safety Labels

Location of Safety Labels

Indicates the placement of safety labels on the machine and the importance of keeping them readable.

Installation

Table Top Type

Details the installation process for the table top type sewing machine.

Table Cutting Diagram

Provides a diagram showing the cutting dimensions for the machine table.

Installation onto Table

Instructions for mounting the sewing machine onto the prepared table.

Semi-Submerged Type

Covers the installation procedure for the semi-submerged type machine.

Table Cutting Diagram

Diagram showing cutting dimensions for the table in semi-submerged installation.

Installation onto Table

Instructions for installing the sewing machine in a semi-submerged configuration onto the table.

Motor, Pulley and Belt

Details on selecting and installing the motor, pulleys, and V-belt.

Hanging Belt

Step-by-step guide on how to hang and tension the V-belt connecting the motor and machine pulleys.

Belt Cover Installation

Instructions for fitting the belt covers for safety and protection.

Thread Tension Unit Installation

Steps for attaching the thread tension unit to the sewing machine.

Eye Guard and Finger Guard Installation

Instructions for installing the essential safety guards: eye guard and finger guard.

Presser Lifter Pedal Installation

Guidance on installing the presser lifter pedal mechanism under the table.

Supplementary Cover Installation

Instructions for attaching the supplementary cover to the cylinder front cover.

Sewing Speed and Pulley Rotating Direction

Lubrication

Lubricating Oil

Specifies the type of lubricating oil to use and its capacity.

Lubricating

Instructions for initial oil filling and checking oil flow after starting the machine.

Changing Oil

Details the interval for changing lubricating oil and the procedure for performing it.

Oil Filter Check and Replacement

Explains how to check and replace the oil filter for proper lubrication.

Proper Operation

Detaching/Reattaching Cylinder Front Cover

Instructions for removing and reattaching the front cover of the cylinder section.

Needle System

Identifies the correct needle system (UY x 128GAS) and how to select needle size.

Needle Installation

Step-by-step guide on how to correctly install sewing machine needles.

Threading

Detailed instructions and diagrams for threading all the necessary threads through the machine.

Adjusting Thread Tension Unit

Guidance on adjusting the tension for all threads to achieve stable stitches.

Presser Foot Pressure Adjustment

How to adjust the presser foot pressure for optimal stitch quality.

Differential Feed Adjustment

Instructions for adjusting the differential feed for gathering or stretching fabric.

Stitch Length Adjustment

Procedure for infinitely adjusting the stitch length of the sewing machine.

SP Device

Information on using the SP device to prevent thread issues during high-speed sewing.

Using Presser Foot Release Lever

How to use the lever to keep the presser foot raised for maintenance or material removal.

Fabric Edge Guide Adjustment

Instructions for adjusting fabric edge guides for hemming and covering seams.

Cleaning

Daily and weekly cleaning procedures to maintain the sewing machine.

Machine Adjustment

Needle Thread Tension Adjustment

Details on adjusting the tension of the needle threads using the front eyelet and strike-off pins.

Top Cover Thread Tension Adjustment

How to adjust the tension for the top cover thread using the take-up eyelet.

Looper Thread Tension Adjustment

Guidance on adjusting the looper thread take-up eyelet position for proper tension.

Needle and Spreader Adjustment

Procedures for adjusting the spreader's position relative to the needle and hook.

Spreader Adjustment

Specific steps for adjusting the spreader's clearance and distance from the needle.

Top Cover Thread Guide Adjustment

How to adjust the top cover thread guide for correct thread path.

Top Cover Thread Eyelet Adjustment

Steps for adjusting the top cover thread eyelet position.

Needle and Looper Adjustment

Comprehensive guide for adjusting the distance, angle, and position of the looper relative to the needles.

Looper and Needle Distance

How to adjust the distance between the looper tip and the needle based on needle distance code.

Looper Angle and Height

Instructions for setting the looper's angle and height.

Looper Front-and-Rear Position

Procedure for adjusting the front-to-rear position of the looper.

Needle Height

How to set the correct height for the left needle relative to the stitch plate.

Needle Guard (Rear) Adjustment

Instructions for adjusting the height and front-to-rear position of the rear needle guard.

Needle Guard (Front) Adjustment

How to adjust the front needle guard's clearance to the needles.

Feed Dog Height Adjustment

Steps for setting the correct height for all feed dogs.

Presser Foot Position Adjustment

How to correctly position the presser foot relative to the needle holes.

Presser Foot Stopper Collar Adjustment

Adjusting the stopper collar to set the gap for the topmost presser foot position.

Detaching/Reattaching Presser Foot

Procedures for removing and reinstalling the presser foot.

Troubleshooting

Specifications

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