Download  Print this page

Inner Rotary Hook Assy. (lower Thread) Tension - Brother PE770 Service Manual

Computerized sewing machine.
Hide thumbs


Table of Contents
Standard bobbin case (green marking on the screw)
[Adjustment standard]
Inner rotary hook assy. (lower thread) tension is 0.20 to 0.23N (20 to 23g).
[Adjustment procedure]
1. Set the bobbin (the schappe spun thread #90) in the inner rotary hook assy..
2. Pull the thread by a tension gauge, and turn the spring adjusting screw, adjust the tension to 0.20 to 0.23N (20 to
Schappe spun thread #90

Inner rotary hook assy. (lower thread) tension

Tension gauge 30 (0.3N)
0.20 - 0.23N (20 - 23g)
Spring adjusting screw
(color: no color)
4 - 19


Table of Contents

   Also See for Brother PE770

   Related Manuals for Brother PE770

This manual is also suitable for:


Comments to this Manuals

Symbols: 0
Latest comments:
  • Brenda Aug 28, 2018 01:46:
    How to separate two names like the first and last name to be separated like "John Doe instead of JohnDoe