JUKI SC-956, Instruction Manual

Page: 123 / 185

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8-9. Replacing the gauge
❹
❸
❸
❶
❶
❷
❷
❹
❹
❺
❺
・
Moving the hook driving shaft base when
changing the gauge
1) Remove slide plate asm (side) ❶ and cap ❷ .
Loosen hook driving shaft base setscrew ❸ .
2) Loosen setscrews ❹ of the lower shaft set
collar. Move hook driving shaft base ❺ .
3) Adjust the clearance provided between the
needle and the blade point of hook appropri-
ately. (Refer to
"8-2. Adjusting the timing
between the needle and the blade point of
hook" p.107
.)
4) Tighten hook driving shaft base setscrew ❸ .
5) Tighten setscrews ❹ of the lower shaft set
collar.
6) Attach slide plate asm (side)
❶
and cap
❷
.
8-10. Replacing the bobbin thread slack prevention spring (LH-4588C)
❶
❷
Groove
1) Loosen screw
❶
and remove bobbin thread
slack preventer spring ❷ from the groove on
the bobbin case.
2) Fit bobbin thread slack preventer spring
❷
which replaces the removed spring in the
bobbin case through the groove.
3) Fix bobbin thread slack preventer spring ❷ in
the bobbin case by tighten screw ❶ . At this
time, carefully check the operating range and
tension or the spring.