Brother BE-1204B Instruction Manual page 175

Problem
! Upper shaft locks at a certain
point in one cycle
! Stitches cannot be made.
• Is the thread take-up stopped due to interference with the thread
take-up cover?
[Adjustment]
Thread take-up cover
Thread take-up
Loosen the hexagon socket head cap screw of the thread take-
up operating lever and adjust the take-up movable range.
Tighten it securely afterwards.
• Are the needle bar clamp and the top dead center stopper
positioned correctly?
• Is the needle attached properly?
• Is the timing of the needle and rotary hook correct?
BE-1204B-BC • BE-1206B-BC
Chapter 10 Troubleshooting
Check point
Bolt
Thread take-up
operating lever
W1326Q
10-3