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7.5) Trimmer Timing Adjusting
1) Turn the pulley to locate the thread take-up lever at the
highest position.
2) Push the trimmer lever ① with a finger and make the
edge ③ of the moving blade ② move 1~1.5mm
further from the end of the fixing blade ④.
①
③
②
④
1~1.5mm
3) Loosen the trimmer cam screw ⑤ and push the
trimmer solenoid shaft ⑥ with a hand. (In this case,
the proper initial distance between the trimmer cam ⑦
and the roller hinge screw ⑧ is 0.5mm).
4) Turn the trimmer cam ⑦ with a hand and set the
trimmer cam ⑦ to contact the end of the roller’s
moving part ⑨ and the roller ⑩. Then fasten the
trimmer cam screw ⑤.
5) Connect the return spring.
⑩
⑨
⑦
Trimmer shaft
Lower shaft
⑦
0.5mm
⑤
⑧
⑦⑧
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