8
Ｍ
ＭＭ
Ｍ
Ｍ
ＭＭ
Ｍ
Ａ
ＡＡ
Ａ
Ａ
ＡＡ
Ａ
Ｃ
ＣＣ
Ｃ
Ｃ
ＣＣ
Ｃ
1
11
1
1
11
1
0
00
0
0
00
0
0
00
0
0
00
0
5
55
5-
--
-6
6 6
6 Looper/needle front
Looper/needle frontLooper/needle front
Looper/needle front-
--
-to
toto
to-
--
-back relationship
back relationshipback relationship
back relationship
Adjust when the needle is at position 3 or 5 (see 5-2).
When the point of the looper is at the center of the
needle, there should be a clearance of 0mm between
the needle and the looper.
Adjustment is made by loosening screw A.
5
55
5-
--
-7 Looper setting distance
7 Looper setting distance7 Looper setting distance
7 Looper setting distance
Check the looper setting distance by referring to the table below.
If the looper setting distance is not correct, perform 5-4, 5-5 procedure again.
Needle position
Setting distance
(mm)
1，4
4.6
2 3.5~4.0
3，5
5.0~5.5
6 4.0~4.5
5
55
5-
--
-8 Adjusting the looper back spring
8 Adjusting the looper back spring8 Adjusting the looper back spring
8 Adjusting the looper back spring
It is the best that the surface of the spring touches
the looper closely within the range of B.
Check to see if the surface of the spring touches the
looper closely at least on points C within the range
of B. Spun thread #60 should be removed from the
spring at approximately 80~100g of tension.
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