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Brother RH-981A User Manual

Brother RH-981A
89 pages
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RH-981A
ELECTRONIC EYELET BUTTON HOLER
ENGLISH

Table of Contents

Other manuals for Brother RH-981A

Questions and Answers:

Brother RH-981A Specifications

General IconGeneral
BrandBrother
ModelRH-981A
CategorySewing Machine
LanguageEnglish

Summary

Safety Instructions

Safety Indications and Meanings

Explains safety indications and symbols used on the machine for safe operation and accident prevention.

Notes on Safety

DANGER Warnings

Details critical safety warnings related to high voltage areas and waiting periods after power off.

Cautionary Guidelines

Outlines environmental requirements for safe operation, including temperature, humidity, and electrical noise.

Installation Safety

Provides instructions for safe installation, emphasizing qualified personnel, securing cords, and proper grounding.

General Safety Precautions

Maintenance and Inspection Safety

Outlines safety guidelines for maintenance, emphasizing qualified technicians and proper part replacement.

Warning Labels and Devices

Machine Warning Labels

Lists and explains various warning labels found on the sewing machine for user awareness and safety.

Machine Specifications

General Specifications

Provides detailed technical specifications for different models of the sewing machine, including speed, dimensions, and power.

Specification Changes

Replacement Parts for Specification Changes

Details replacement parts required to change machine specifications between L1 to L7 for -02 and -52 models.

Machine Installation

Installation Safety Cautions

Provides critical safety warnings for installation, including qualified personnel, cord securing, and grounding.

Installing Machine Components

Motor Installation

Provides step-by-step instructions and diagrams for securely installing the sewing machine motor onto the work table.

Machine Head Installation

Installing the Machine Head

Provides detailed instructions and illustrations for mounting the machine head securely onto the work table base.

Accessory Installation

Air Unit and Valve Unit Installation

Provides instructions for installing the air unit and valve unit, including connecting air tubes and cables.

Control Box Wiring

Internal Control Box Connections

Details the internal wiring connections within the control box, referencing specific connectors and PC board terminals.

Connector Connections

Connecting Indexer and System Connectors

Details the process of connecting various connectors for the valve harness, indexer cord, limit switches, and cylinder sensor.

Lubrication Procedures

Lubrication Safety

Emphasizes safety precautions for lubrication, including turning off power and wearing protective gear.

Daily Lubrication

Lubricating Key Components

Outlines daily lubrication points for moving parts, mechanisms, and felt tanks to ensure smooth operation.

Correct Machine Usage

Initial Data Initialization

Explains the procedure for initializing machine data upon first use or after prolonged power-off, including LED and buzzer indicators.

Basic Sewing Operations

Needle Installation

Provides instructions for safely installing the correct type of needle, including alignment checks and safety precautions.

Thread Management

Material Setup

Setting the Material for Sewing

Explains how to insert and adjust material for sewing, including setting the sewing margin using cloth guides.

Material Setup Adjustments

Material Setting Adjustments

Continues instructions for setting material, detailing adjustments for vertical and horizontal sewing margins for -52 specifications.

Cloth Placement

Cloth Feed Plate Setup

System Upgrades

Machine Operation

Operation Panel Overview

Identifies and explains the function of each key, indicator, and display on the machine's operation panel.

Operation Panel and Startup

Operation Panel Details

Continues the explanation of operation panel items, including mode indicators, program number display, and detail display functions.

Program Settings

Program Setting Method

Details the procedure for setting programs, changing modes, selecting parameters, and accepting settings.

Taper Bar Parameter Details

Taper Bar Parameter Details Continued

Straight Bar Tacking Parameters

Straight Bar Tacking Details

Additional Tacking Settings

Advanced Operation Modes

Cycle Program Creation

Explains how to create and store cycle programs consisting of multiple steps and knife operations.

Operational Utilities

Sewing Procedures

Sewing Safety Precautions

Provides critical safety warnings related to sewing operations, including power off times and avoiding moving parts.

Automatic Sewing Guide

Guides on performing automatic sewing, including initial test sewing and warming up the motor in cold conditions.

Emergency Stop Function

Using the Emergency Stop Switch

Explains how to use the emergency stop switch to halt operations and resume sewing safely.

Thread Tension Adjustment

Adjusting Thread Tension

Details how to adjust upper and lower thread tension, as well as thread take-up spring tension and stroke.

Needle and Knife Alignment

Needle and Knife Position

Explains the relationship between knife position, eyelet shape, and cutting space for optimal cutting performance.

Sewing Mode Settings

Diagnostic Sewing Modes

Manual Sewing Mode

Mode Switching and Feed Bar

Cleaning and Maintenance

Cleaning Safety Precautions

Provides safety precautions for cleaning, including power off, protective gear, and avoiding tilt during air gun use.

General Cleaning Procedure

Details the cleaning process, including removing thread scraps, checking oil level, and cleaning feed bar and guide shaft.

Maintenance Tasks

Standard Adjustments

Maintenance and Adjustment Safety

Reiterates safety warnings for maintenance and adjustment, emphasizing qualified technicians and disconnecting power.

Spreader and Looper Height Adjustment

Details how to adjust the height of the spreader and looper for correct clearance and smooth operation.

Timing Adjustments

Needle and Looper Timing Adjustment

Provides a detailed procedure for adjusting the timing between the needle and loopers, including measurement steps.

Stroke Adjustments

Component Height Adjustments

Component Alignment

Timing and Width Adjustments

Knife and Hammer Adjustments

Hammer Contact Adjustment

Knife and Pressure Adjustments

Work Clamp Plate Adjustment

Cloth Opening Adjustment

Thread Trimming Adjustments

Trimming Details

Specific Component Functions

Cloth Feed Bar Adjustment

Indexer Hole Spacing

Limit Switch Adjustments

Circuit Board DIP Switches

Circuit Board DIP Switch C Settings

Explains the ON/OFF settings for circuit board DIP switch C, covering cutting devices, sensors, thread nippers, and tacking length.

Error Code List

Errors After Power On

Lists error codes, their explanations, and resetting methods for issues occurring after the machine is powered on.

Error Handling

Pre-Operation Errors

Lists errors related to initial operation or after using the emergency stop, with resetting procedures.

Errors During Operation

Lists error codes that occur during machine operation and their corresponding resetting methods.

Error Code Details

Operational Error Codes

Continues listing operational errors and their resetting methods, including sensor and motor communication issues.

Troubleshooting Guide

Machine Head Problems

Provides troubleshooting steps for common problems related to the machine head, such as thread breaks and skipped stitches.

Thread Cutting Troubleshooting

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