JUKI LK-1900S Series Instruction Manual page 59

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
(1) Replenishing the eccentric cam section with grease
❶
(2) Replenishing the oscillator pin section with grease
❷
❹
❻
❹ ❺
❻
❷
❹
❸
❹
❺
❼
❽
❸
❶
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57
1) Open crank rod cover ❶ .
2) Remove setscrew ❸ from the grease inlet cover
located at periphery 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 cou-
pling to add the grease.
5) After adding the grease, securely tighten set-
screw ❸ which has been removed.
1) Tilt the machine head and remove the grease
cover ❶ .
2) Remove setscrew ❸ in oscillator gear ❷ .
3) Fill coupling ❹ with grease through JUKI Grease
A tube ❺ .
4) Sink screw ❻ supplied with the unit into the cou-
pling to add the grease.
5) Securely tighten setscrew ❸ which has been re-
moved after replenishing with the grease.
6) Install grease cover ❶ at the location where felt
❽ comes in contact with gear ❼ .
Do not strongly press felt ❽ against gear ❼ .
It can cause a moving failure.
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