Caution in disassembling
1. Loosen setscrew 1, and remove needle 2.
2. Remove setscrew 3, and remove presser foot 4.
3. Remove 10 setscrews 5, and remove cover A 6 and cover B 7.
4. Loosen setscrew 8 , move tension adjustment plate L 9 in the
direction of A, and loosen the tension of main feed belt !2 and
auxiliary feed belt !3 .
5. Loosen setscrew !0 , and move tension adjustment plate S !1 in
the direction of B.
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Caution in assembling