JUKI AMS-220EN / IP-420 Instruction Manual page 129

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 ■ Adding grease to the needle bar upper and lower bushings section, slide block section and
intermediate presser bar lower bushing section
B
A


1) Open the frame cover to remove intermediate
presser auxiliary spring B ❶ .
2) Apply JUKI Grease A onto periphery of needle
bar ❷ . Turn the sewing machine by hand to
apply grease onto the entire periphery of the
needle bar.
Turn needle bar upper bushing grease cover
❸ in the direction of arrow A to add grease
through the grease inlet. After completion
of the procedure, turn the needle bar upper
bushing grease cover in the direction of arrow
B to return to its home position.
Remove setscrew ❹ from the needle bar
lower bushing grease hole. Put JUKI Grease
A through hole ❺ and tighten setscrew ❹ to
fill inside the busing with the grease.
3) Apply JUKI Grease A also onto groove section
❻ of the slide block.
4) Apply JUKI Grease A onto periphery of inter-
mediate presser bar ❼ .
Remove setscrew ❽ from the intermediate
presser bar bushing grease hole. Put JUKI
Grease A through inlet ❾ . Tighten screw ❽
to fill inside the bushing with JUKI Grease A.
1. Do not wipe off the grease applied
onto the periphery of needle bar
inside the frame. If the grease has
decreased due to cleaning, air blow
or other reasons, apply grease
again without exceptions.
2. When operating the sewing ma-
chine, turn the needle bar upper
bushing grease cover in direction B
to close grease inlet  .
3. The rear face of the needle bar
crank rod has projection  with a
sharp edge. So, care should be tak-
en to the projection. Never put your
finger to the rear face of the needle
bar crank rod during greasing pro-
cedure.
– 125 –

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