JUKI LH-4128-7, Engineer'S Manual

Page: 35 / 89

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2. Center link section
1) Remove the rubber cap locates at the top surface of face section and
the face plate.
2) Fill joint supplied as accessories with JUKI grease B from the JUKI
grease B tube.
3) Connect pipe with nipple, right , turn screw supplied as acces-
sories to joint , and fill the joint with grease.
(Caution) Replenish the joint with grease by repeating grease fill-
ing of step 2) when the first replenishing is not enough.
4) With the same procedure as steps 2) and 3), fill the nipple, left with
grease. At this time, pass the pipe through the rubber cap hole
located at the top surface of the face section, and connect it with nipple,
left . Then, turn the supplied screw to the joint , and fill the joint
with JUKI grease B.
5) Return the face plate, rubber cap, and top face cover to their home
places.
(Caution) 1. To confirm the amount of replenishing at all grease re-
plenishing sections is performed by confirming that
grease protrudes from the corresponding sections.
2. Never remove the fulcrum shaft base of the fulcrum
shaft base .
Adjustment Procedure Results of Improper Adjustment
o When the setscrew is loos-
ened and the position of the ful-
crum shaft base of the rock-
ing base is shifted once, this can
be a cause of sewing machine
torque and needle bar lock-up.