– 20 –
4-12. Threading the machine head
Thread the machine head following the order as illustrated in the gure.
Pass the left-hand needle thread, toward the machine head, in the order of
❶
to
. Pass the right-hand
needle thread in the order of
A
to
P
.
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 o and ascertaining that the motor is at rest.
1. Carefully check how to thread the needle clamp thread guides (
,
O
).
･
(S type) See Fig 1 for polyester spun thread, Fig. 2 for thick lament thread of yarn count #50
or lower and around #50, or Fig 3 for thin lament thread of yarn count #50 or higher.
･
(G type) See Fig. 4 for thick thread of yarn count #5 to #30.
2. When using lament thread for sewing, use the felt thread guides supplied with the sewing ma-
chine. If the needle thread loosens or breaks, take some preventive measure such as winding
the thread on the needle (S type).
3. To produce chain-o thread, the felt thread guide (in Fig. 2 or Fig. 3) should be used for the S
type, or the needle thread presser (in Fig. 5) should be used for the G type.
4. For the LH-3528A-7 or LH-3568A-7, thread the intermediate thread guide as follows:
･
For polyester spun thread, see Fig. 6. For lament thread, see Fig. 7.
[S type and G type] LH-3528A, 3528A-7, 3568A and 3568A-7
K
❽
-
H
❼
-
G
❸
❹
❺
❻
C
D
E
F
❶
❷
A
B
-
K
-
L
-
M
-
N
O
P
Fig. 1
Fig. 2
Left-hand
needle thread
Right-hand
needle thread
Intermediate
thread guide
Fig. 6 Fig. 7
Fig. 3
For lament
thread, thread the
machine head as
illustrated.
(The needle
thread take-up
eyelet should be
used for lament
thread.)
8 mm
Fig. 4
Fig. 5
S type G type
* Needle thread take-up eyelet is not
usually used.
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