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JUKI LK-1900B series User Manual

JUKI LK-1900B series
110 pages
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48
7-8. Amount of oil supplied to the hook
1) Loosen setscrew
󰿿
and remove setscrew
󰿿
.
2) When screwing in adjustment screw
󱀀
, the
amount of oil of oil pipe, left
󱀂
can be reduced.
3) After the adjustment, screw in setscrew
󰿿
and
x it.
1. The state of standard delivery is the po-
sition where
󱀁
is lightly screwed in and
returned by 4 turns.
2. When reducing the amount of oil, do
not screw in the screw at once. Ob-
serve the state for approximately half a
day at the position where
󱀁
is screwed
in and returned by 2 turns. If reducing
is excessive, worn-out of the hook will
result.
When polyethylene oiler
󰿿
becomes lled with oil,
remove polyethylene oiler
󰿿
and drain the oil.
󰿿
7-7. Draining waste oil
󰿿
󱀀
󱀂
󱀁
7-9. Replacing the fuse
The machine uses the following two fuses :
MAIN PWB
󰿿
For pulse motor power supply protection
5A (time-lag fuse)
SDC PWB
󱀀
For control power supply protection
2A (fast-blow type fuse)
DANGER :
1. To avoid electrical shock hazards, turn OFF the power and open the control box cover after about
ve minutes have passed.
2. Open the control box cover after turning OFF the power without fail. Then, replace with a new fuse
with the specied capacity.
󰿿
󱀀

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JUKI LK-1900B series Specifications

General IconGeneral
BrandJUKI
ModelLK-1900B series
CategorySewing Machine
LanguageEnglish

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