JUKI MF-7000 Series - Mfc; Timing Relation between the Needle and the Feed; Adjusting the Timing of the Needle Bar and Looper (Synchronization): Without Gauges

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A
1
(3) MFC
1) Timing relation between the needle and the feed
First screw A in operating direction on double eccentric 1 of feed assembly must be straight up,
when the needle bar is at top of stroke.
2) Adjusting the timing of the needle bar and looper (Synchronization) : Without gauges
When the blade point of the looper moves to the left in the rear of the needle and to the right in the
front of the needle, and the top end of the hole of the left needle aligns with the lower part of the
looper, the distance between the left side of the left needle and the blade point of the looper should be
equal to the distance A and B.
A
B
Move to the right
Left needle
Looper
Looper
Move to the left
Left needle
Align
Standard Adjustment
A=B
From the library of: Diamond Needle Corp