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JUKI LK-1900B series - VI. EXPLANATION OF THE LK-1900 BB COMPUTER-CONTROLLED, HIGH-SPEED BARTACKING MACHINE (WITH THE BIRDS NEST PREVENTING AND SHORTER-THREAD REMAINING TYPE THREAD TRIMMER); 1. SPECIFICATIONS

JUKI LK-1900B series
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99
3-3. Replacing the knife of the shorter-thread remaining type thread trimmer
󰿿
󱀀
󱀇
1) Remove screws
󰿿
at four locations. Then, knife
base
󱀀
can be removed.
2) Moving knife support plate
󱀂
and moving knife
󱀃
removed in the joined state by removing
hinge screw
󱀁
. Remove two moving knife xing
screws
󱀄
from the joined parts. Change moving
knife
󱀃
with a new one. In addition, remove two
setscrews
󱀆
and change counter knife
󱀅
with a
new one.
3) Place washer
󱀇
(thickness: select one from 0.3
to 0.7 mm) between moving knife support plate
󱀂
and knife base
󱀀
to adjust the knife pressure.
󱀅
󱀁
󱀂
󱀃
󱀆
󱀄
󱀂

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