– 20 –
3. PREPARATION BEFORE SEWING
3-1.
Attaching the needle
LH-4588C
LH-4578C
❶
❶
❷
❷
❸
❸
❶
❶
❷
❷
Switch "off" the motor.
Use DP×5(134) needles.
1) Turn the handwheel until the needle bar has
come up to the highest point of its stroke.
2) Loosen needle clamp screws
❷
and pick up
two needles
❶
in the way that their grooves
❸
are facing outwards.
3) Insert the needles into the needle clamp as
far as they will go.
4) Tighten needle clamp screws
❷
firmly.
When replacing the needle, check the
clearance provided between the nee
-
dle and the blade point of hook. (Refer
to
"8-1. Needle-to-hook relation"
and
)
If there is no clearance, the needle
and the hook will be damaged.
3-2.
Attaching and removing the bobbin
1) Lift latch
❶
and take out the bobbin case and
the bobbin together.
2) Hold the bobbin case by latch raised, put it
into the shaft in the hook correctly and re-
lease the latch.
❶
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
Summary of Contents for SC-956
Page 1: ...INSTRUCTION MANUAL LH 4500C Series SC 956...
Page 180: ...175 11 GAUGE PARTS LIST 43 22 TABLE OF EXCHANGING GAUGE PARTS LH 4578C TYPE F LH 4578C F type...
Page 181: ...176 23 TABLE OF EXCHANGING GAUGE PARTS LH 4578C 7 LH 4578C 7...
Page 182: ...177 47 24 TABLE OF EXCHANGING GAUGE PARTS LH 4588C 7 LH 4588C 7...
