Looper Thread Cam; Looper Thread Wrap-Up Preventing Cam (Old Type) - JUKI MF-7000 Series Engineer's Manual

MFC

10) Looper thread cam

1 Timing of the looper thread cam
1/2
2 Position of the looper thread cam thread guide
Highest point of looper thread cam

11) Looper thread wrap-up preventing cam (Old type)

1 Height of the looper thread thread guide base
0 to 0.5 mm
2
Standard Adjustment
Wooly nylon thread
1.0 mm
$4
When the needle bar descends and the tip of
the left needle aligns with the lower part of the
looper, the looper thread can be cast off from
the highest point of the looper cam.
The looper thread cam thread guide is to be set
in the center of the slot.
(In case of wooly nylon thread, at the upper end
of the slot.)
The position is that the highest point of the looper
thread tangling preventing cam is 0 to 0.5 mm
lower than the upper part of the thread control
finger.
Timing of the looper thread tangling preventing
cam and position of the thread control finger.
When the looper thread is cast off out of the
highest point of the looper thread cam, the horn
of the looper thread tangling preventing cam
comes 1.0 mm toward you from the hole of the
thread guide of the thread control finger.
43
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