Brother EF4-V41 - Mechanical Descriptions ); Needle Bar Mechanism

c MECHANICAL DESCRIPTIONS )
[!] Needle bar mechanism
Eccentric part
(1) When the crank shaft 0 rotates in the direction of the arrow, the needle driving crank rod assembly @
moves up and down on the eccentric part of the crank shaft.
(2) The needle driving crank rod assembly @ moves the needle bar clamp assembly e up and down via
the needle shaft@).
(3) The needle bar @) attached to the needle bar clamp assembly e is guided by needle bar bushes (U) <9
and (D) 6, and is moved up and down.
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From the library of: Superior Sewing Machine & Supply LLC