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26
VT2500
6. Machine adjustment
060
061
1.0mm
②
0.5mm
①
⑤
③
⑤
③
①
①
③
④
⑤
⑥
6.4.2 Top cover thread guide adjustment
(1)
Loosen the screws ② of the top cover thread
guide ①. (See Fig. 060.)
(2)
Adjust the top cover thread guide ① so that
the clearance between the top surface of the
spreader ③ and the bottom surface of the top
cover thread guide ① is 0.5 mm. (See Fig.
060.)
(3)
Adjust the spreader ③ so that the hook ④
is at the center of the slot on the top cover
thread guide ① when the spreader ③ comes to
the extreme right. Then, tighten the screws ②.
(See Fig. 060 and 061.)
6.4.3 Top cover thread eyelet adjustment
(1)
Loosen the screw ⑥ of the top cover thread
eyelet ⑤. (See Fig. 061.)
(2)
Adjust the top cover thread eyelet ⑤ so that
the clearance between the top surface of the
top cover thread guide ① and the top cover
thread eyelet ⑤ is 1.0 mm when the needle bar
is at the lowest point. (See Fig. 060.)
(2)
Align the hole of the top cover thread eyelet
⑤ to the extension from the slot on the top
cover thread guide ①. (See Fig. 061.)
(4)
Tighten the screw ⑥. (See Fig. 061.)