– 122 –
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.
■
Adding grease to the needle bar upper and lower bushings section, slide block section and
intermediate presser bar lower bushing section
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.
3) 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.
4) Apply JUKI grease A to the surface of inter-
mediate presser spring
.
❷
❼
❽
❾
■
Adding grease onto the eccentric cam section
1) Open crank rod cover
❶
.
2) Remove setscrew
❸
from the
grease inlet cover located at periph-
ery of crank rod
❷
.
3) Fill coupling
❹
with grease through
JUKI Grease A tube
❺
.
4) Sink screw
❻
supplied with the unit
into the coupling to add the grease.
5) After adding the grease, securely
tighten setscrew
❸
which has been
removed.
The eccentric cam section
can be sufficiently filled with
grease by adding the grease
while turning the main shaft
of sewing machine.
❷
❶
❹
❷
❹
❺
❻
❸
