Mechanical Section - Brother BES-116 Instruction Manual
Electronic embroidery machine
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Also See for BES-116:
- Supplementary manual (5 pages) ,
- User manual (3 pages) ,
- Supplement manual (3 pages)
Table of Contents
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Chapter 10 Troubleshooting
Mechanical Section
Problem
Thread breakage
Needle (presser foot) interference
with embroidery hoop
Needle breakage
Not embroidered properly
140
• Is the machine properly threaded?
• Is thread tension too high?
• Is the rotary hook assembly clogged?
• Is there thread in the bobbin?
• Is the needle bent?
• Is there a rough edge or flaw on the needle plate, rotary hook, or
bobbin case that might cut the thread?
• Is the needle installed correctly (direction, angle, etc.)
• Is the presser foot in contact with the material?
• Are the thread thickness and needle size correct?
• Is a thread with right-hand twist being used? (If such a thread is
used, replace with a thread with left-hand twist.)
• Is there any adhesive on the needle?
• Is the material tension too weak?
• Is there too much play between the outer rotary hook and inner
rotary hook?
• Does the outer rotary hook turn smoothly?
• Is the clearance between the rotary hook stopper and the rotary
hook adjusted correctly?
• Does the thread come out from the bobbin case smoothly?
• Is the embroidery hoop too small?
• Check the size and needle start position in the sewing data.
• Is the needle attached correctly (direction, height, etc.)?
• Is the needle bent?
• Is the rotary hook attached correctly?
• Is the timing set correctly?
• Is there any backlash with the needle bar case (back/forth and
right/left)?
• Is the rotary hook stopper correctly attached to stop the rotary
hook?
• Is the needle size correct and the tip sharp?
• Does the thread pass through the hole center of the presser
foot?
• Is the material edge caught in the machine?
(Are embroidery hoop and other related parts operating
correctly?)
• Is the material stretched properly?
• Is thread tension proper?
Does the lower thread come out smoothly?
BES-116AC
Check Point
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