Attachment And Adjustment Of Rotary Hook - Brother BE-1204B Instruction Manual

Chapter 10 Adjustment

2. Attachment and Adjustment of Rotary Hook

1.8 mm
1.7 mm
[6]
Cutting
section
1. Turn the power switch off.
2. Select the needle bar No. 1 [1].
3. Remove two flat screws [2] and dismount the needle plate [3].
4. Adjust so that the needle [4] and the point of rotary hook [5] should meet at the position (where the
arrow plate aligns with N.H mark (200 û)) higher by 1.7 mm than the needle bar lowest point (180 û ).
Perform this after the height adjustment of the needle bar.
5. Turn the rotary hook manually until the point of rotary hook [5] turns up.
6. Loosen the screw [6] of the rotary hook cutting section and adjust the clearance between the
needle and the rotary hook to be within 0.1 to 0.3 mm.
Confirm that the height of the needle bar is 1.8 mm then.
10-6
[1]
W1309Q
[4]
[5]
W1311Q
Lower shaft
W1312Q
BE-1204B-BC • BE-1206B-BC
[2]
[3]
0.1~0.3mm
[6]
W1310Q
W1314Q
W1313Q