Brother M343D Service Manual

87 pages

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MODEL :

Home Overlock Machine

SERVICE MANUAL

Nov.,2015

Dec.,2016

Published :

Revised :

c

2015 Brother Industries, Ltd.

All rights reserved.

CONFIDENTIAL

2104D/2104DAV

M343D/4100D/SB3734T

2504D/1034DX

Table of Contents

Other manuals for Brother M343D

Operation Manual76 pages

Questions and Answers:

D
Danielle OdonnellAug 6, 2025
Why do needles break on my Brother M343D?
- D
  Deborah CrawfordAug 6, 2025
  If your Brother Sewing Machine needles are breaking, it could be due to several reasons. First, check if the needle is bent or blunt, and replace it if needed. Ensure that the needle is installed correctly. Avoid pulling the material forcibly while sewing.
J
jamesgrayAug 20, 2025
What to do if my Brother M343D Sewing Machine does not feed?
- S
  Stephanie ScottAug 20, 2025
  If your Brother Sewing Machine is not feeding material, the presser foot pressure might be too loose. Turn the pressure adjustment screw clockwise to increase the presser foot pressure.

Brother M343D Specifications

General

Stitch Width	5.0 - 7.0 mm
Stitch Length	2.0 - 4.0 mm
Differential Feed	0.7 - 2.0
Free Arm	Yes
Rolled Hem	Yes
Number of Threads	3 or 4
Type	Overlock

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