JUKI LK-1920 - Adjusting the Lift of the Work Clamp Foot; The Moving Knife and Counter Knife

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47
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7-3. Adjusting the lift of the work clamp foot
7-4. The moving knife and counter knife
1) Loosen adjusting screw
❸
so that a clear-
ance of 18.5 mm is provided between the
front end of the throat plate and the top end
of thread trimmer lever, small
❶
. To adjust,
move the moving knife in the direction of
arrow.
2) Loosen setscrew
❺
so that a clearance of 0.5
mm is provided between needle hole guide
❷
and counter knife
❹
. To adjust, move the
counter knife.
❶
❷
❺
❹
❸
0.5 mm
Throat plate
18.5 mm
Solenoid type
Pneumatic type
1) Loosen setscrew
❷
in feed bracket
❶
and
move cloth presser hook
❸
in the direction of
B
to increase the height.
2) After adjusting the height, securely tighten
setscrew
❷
.
Solenoid type
1) Loosen setscrews
❷
located on the right-
and left-hand sides of feed bracket
❶
. Move
cloth presser stopper
❸
in the direction of
B
to increase the height.
2) After adjusting the height, securely tighten
setscrews
❷
.
Pneumatic type
WARNING :
As the work is performed while the power is ON, never touch the switches other than the necessary
one so as to prevent accidents caused by the malfunction of switches.
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
❶
❸
❷
A
B
❶
❸
A
B
❷