BE-1204B-BC • BE-1206B-BC 7-7
Chapter 7 Maintenance
5. Grease all the cam grooves of the work clamp cam.
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6. Attach the jump part stepping motor [5] and tentatively tighten the adjusting bolt [4].
7. Adjust the position of the bolt [4] so that the jump part [6] touches the roller [7] of the jump lever
assembly, then fully tighten the bolt [4].
Adjust the roller [7] not to push the jump part [6] but just tou ches it.
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8. Attach the head cover front L [1].
Apply seal adhesive (equivalent of Three Bond 1215) to the attaching f ace of the head before attaching
the cover.
9. Move the needle bar case to the needle bar No.1 position.
10. Unscrew the 2 fixing screws [8] fixing the head front cover R [9], and remove the head front cover
R [9].
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11. Grease all the cam grooves of the thread take-up driving cam [10].
12. Attach the head front cover R [9].
Apply seal adhesive (equivalent of Three Bond 1215) to the attaching f ace of the head before attaching
the cover.
[6]
[7]
[9]
[8]
[10]