JUKI AMS-210E Series Engineer's Manual page 33

Adjustment Procedures
* Turn ON the power once, and turn OFF the power again after
making the intermediate presser in the lowered state.
1. Turn hand wheel by hand to ascend the needle bar
Adjust so that lower marker line
with the bottom end of the needle bar bushing lower
2. Loosen setscrew
hook toward you, open it to the right and left until bobbin case
opening lover comes off.
(Caution) At this time be careful not to let inner hook
and fall.
3. Refer to 5. below and make tentative adjustments of timing for the
inner hook .
4. Turn the pulley by hand and make adjustments for the needle loca-
tion block of the driver
that the clearance b attains 0mm to 0.5mm between the needle tip
and the lowest end of the needle location block of the driver
the needle tip of the inner hook
right end of the needle
5. Make an adjustment so that the blade point of the inner hook
aligned with the center of the needle
tween the front end of the driver
cause the front end of the driver
needle bending. Then, tighten the set screw
6. Make adjustments so that the clearance (C) in the revolving direction
attains 0.3mm to 0.6mm between the inner hook
by bending the inner hook holder block (reverse side of the needle
location block) of the driver
(Caution) Make sure not to damage the shuttle
making adjustment of the driver
7. Loosen the set screw
rear position of the shuttle by rotating the shuttle adjusting shaft
so that the clearance between the needle
the inner hook becomes 0.05 to 0.1 mm.
8. After adjusting the front-rear position of the shuttle
ance between the needle
ing the rotating direction, and tighten the set screw
shuttle.
on the ascending needle bar aligns
in the driver. Drawing bobbin case opening lover
by bending it in the direction of Arrow A so
is protruded by 0.5mm from the
.
, and that the clearance be-
and the needle
receives the needle to prevent
in the direction of the arrow (D).
securing the shuttle
and the shuttle
.
.
come off
when
is
is 0 mm be-
securing the driver.
and the driver
race plane while
.
, and adjust the front-
and the blade point of
, set the clear-
to 7.5 mm by adjust-
securing the
– 28 –
Results of Improper Adjustment