− 99 −
②
Replenishment of grease to the center knife
section
• Apply grease to both planes of guides
❸
, knife
bar metal, upper
❹
, and knife bar metal, lower
❻
.
• Knife bar
❺
moves up and down by moving cyl-
inder joint
❼
up and down in the state that air is
not supplied. Apply grease to the metal so as to
infiltrate the inside.
❸
❹
❺
❻
❼
③
Replenishment of grease to the needle bar sec-
tion
Apply grease to thread take-up lever
❽
, needle
bar upper section
❾
, needle bar lower section
, needle bar
and needle bar
.
❽
❾
④
Remove the rubber cap and apply new grease
to the inside of the hole after removing old
grease adhered to the inside of hole
A
. Then
cover the hole with the rubber cap.
A