Location Where Exclusive Grease Is Provided; Points To Be Applied With Juki Grease A - JUKI AMS-221F-2516 Instruction Manual

(1) Location where exclusive grease is provided

Two types of grease, i.e., JUKI GREASE A ❶ and GREASE B ❷ , the grease nipple specifically de-
signed for JUKI GREASE B and grease ❸ specifically developed for the linear guide are contained in
the accessory box. If grease has decreased due to cleaning of the sewing machine or any other rea-
sons, be sure to immediately add grease.
Do not use Grease A and Grease B with mixed. Be sure to use the specified grease with-
out fail. The grease filling coupling and setscrew should be used when applying JUKI
Grease B. Do not use the grease nipple and screw with JUKI GREASE A and the grease
specifically developed for the linear guide.
JUKI Grease B ❷
When the grease runs short, be sure to purchase new grease.
JUKI Grease A
JUKI Grease B
Grease specifically developed
for the linear guide
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine. In addition, attach the covers which have been removed before operation back
in place.

(2) Points to be applied with JUKI Grease A

Use grease tube A (part number: 40006323) supplied with the unit for adding grease to
any points other than the points specified below. If any grease other than the specified
one is used, the related components can be damaged.
■ Adding grease to the needle bar upper and lower bushings section, slide block section
and intermediate presser bar lower bushing section
❾
❽
JUKI Grease A ❶
10g tube
100g tube
10g tube
70g tube
1)
2)
❶
❺
❹
– 93 –
Grease ❸ specifically
developed for the
linear guide
Spare parts No.
40006323
23640204
40013640
40097886
Open the frame cover to remove intermediate
presser auxiliary spring B ❶ .
Apply JUKI Grease A onto periphery of nee-
dle bar ❷ . Turn the sewing machine by hand
to apply grease onto the entire periphery of
the needle bar. Turn needle bar upper bush-
ing grease cover.
Fill the grease through the grease inlet of the
needle bar upper bushing.
Remove setscrew ❹ of the needle bar lower
bushing grease inlet. Put JUKI GREASE A
into hole ❺ . Tighten setscrew ❹ . Fill inside
of the bushing with JUKI GREASE A.