Table of Contents
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Table of Contents
Related Manuals for Brother MA4-V92
Summarization of Contents
Product Specification Code Setting Standard
Model & Specification Codes
Describes machine model plates, specification codes, and related information.
Stitch Width & Device Options
Lists available stitch widths and device compatibility for various sewing machine models.
Machine Specifications by Model
EF4-V41 Overlock Specifications
Details technical specifications for the EF4-V41 single needle overlock sewing machine.
EF4-V51 Twin Needle Specifications
Details technical specifications for the EF4-V51 twin needle overlock sewing machine.
MA4-V61 Safety Stitch Specifications
Details technical specifications for the MA4-V61 safety stitch sewing machine.
EF4-V71/V81, MA4-V91 Back Type Specs
Details specifications for EF4-V71/V81 and MA4-V91 back type sewing machines.
EF4-V72/V82, MA4-V92 Front Type Specs
Details specifications for EF4-V72/V82 and MA4-V92 front type sewing machines.
Mechanical Descriptions and Lubrication
Component Mechanisms Overview
Explains needle bar, looper, knife, presser foot, and feed mechanisms and their operation.
Lubrication Guide
Provides guidance on lubricating the sewing machine for proper operation.
Disassembly and Assembly Procedures
Component Disassembly
Instructions for disassembling major machine components like covers, mechanisms, and parts.
Component Assembly
Steps for reassembling upper feed, feed, needle bar, looper, knife, and presser foot mechanisms.
Cover Reassembly
Instructions for reattaching external covers after maintenance or repair.
Standard Adjustments
Needle, Looper, and Presser Foot Adjustments
Adjusts needle height/location, loopers, guards, and presser foot settings for optimal sewing.
Knife, Feed Dog, and Feeding Adjustments
Adjusts knives, feed dogs, differential ratio, and feeding timing/position for correct stitch formation.
Thread Take-up, Plate Clearance, and Other Adjustments
Adjusts thread take-up, plate clearance, and various other operational parameters.
Troubleshooting Guide
Thread Breakage Issues
Addresses needle and looper thread breakage, providing causes and solutions.
Stitching Irregularities and Tension Problems
Addresses skipped stitches, puckering, slippage, scooping, and thread tension issues.
Needle Breakage and Related Issues
Addresses needle breakage, improper thread tension, and chaining-off problems.
Selection Guides
Needle/Looper Selection Guide
Guides needle and looper selection based on sewing machine model and material thickness.
Material Thickness and Stitch Width Correlations
Relates stitch width to material thickness and specific sewing machine models.
Timing Gauge Tables
Timing Gauge Table for V41, V61
Details timing measurements and reference points for V41 and V61 models.
Timing Gauge Table for V51
Details timing measurements and reference points for the V51 model.
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