JUKI LK-1900B series Engineer's Manual

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(5) Grease-up procedures for the specied position
When sewing operation is repeated for a certain time period, Error Code No. E220 is displayed at the op-
eration panel when the power supply is turned ON. This error code is used for the indication of the grease
replenishing time for the specied parts. When you see this error code, replenish the grease specied below,
without fail. After greasing, call the memory switch U245 and set up “0” with the reset key.
Even after the display of Error Code No. E220, this error code can be canceled by pressing the reset key
and the machine can be used continuously. Since then, however, this Error Code No. E220 is displayed each
time the power supply is turned on.
When the sewing machine is used further for the specied time period after the display of Error Code No.
E220, Error Code No. E221 is then displayed. In this case, this error code cannot be canceled even though
the reset key is pressed, and the sewing machine cannot work anymore.
Therefore, when this Error Code No. E221 is displayed, replenish the grease, without fail, to the parts speci-
ed below. Start the memory switch and set up the Memory switch U245 at “0” with the reset key.
(Caution) 1. If the memory switch No. 245 is not reset at “0” after the replenishment of grease, Error
No. E220 or No. E221 will be displayed again.
2. For the replenishment of grease to the parts specied below, use the attached JUKI
Grease A (Part No. 40006323). If any grease other than the specied item is replenished,
this can be a cause of destruction of parts.
❶
❹
❷
❹
❺
❸
❻
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 setscrew
❸
which has been removed.
1) Replenishing the eccentric cam section with grease
1. Tilt the machine head and remove the grease cov-
er
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
removed after replenishing with the grease.
6. Install grease cover
❶
at the location where felt
❽
comes in contact with gear
❼
.
(Caution) Do not strongly press felt
❽
against
gear
❼
. It can cause a moving failure.
2) Replenishing the oscillator pin section with grease
❹
❻
❹
❺
❷
❸
❶
❽
❼

JUKI LK-1900B series Specifications

General

Brand	JUKI
Model	LK-1900B series
Category	Sewing Machine
Language	English