PREPARATION FOR OPERATION
1
Adjustment of the needle stopping position
1 . Adjustment of “UP” position
When the pedal is kicked down by heel, the machine stops at “UP” position.
If marks deviate larger than 3 mm, adjust as follows.
( 1 ) Disconnect the plug (12pins) of cable from the machine head.
( 2 ) Run the machine and stop at “UP” position.
( 3 ) While holding the pulley, insert the “Adjusting tool” in the hole Ⓐ, then turn the tool.
2 . Adjustment of “Down” position
When the pedal is “Neutral” the machine stops at “Down” position.
If marks deviate large than 5 mm, adjust as follows.
( 1 ) Disconnect the plug (12pins) of cable from the machine head.
( 2 ) Run the machine and stop at “Down” position.
( 3 ) While holding the pulley, insert the “Adjusting tool” in the hole Ⓑ, then turn the tool.
3 .
Confirm the stop operation, then set the plug (12pins) coming from the machine head into the
receptacle.
Timing mark
White mark
Black mark
Up position
Down position
Adjusting tool
UP 上
later
earlier
DOWN 下
Timing of the needle
Ⓐ
Ⓑ
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Summary of Contents for LT2-2250-B1T
Page 28: ...Printed in Japan ...
