Happy HCS2-1201-30, Maintenance Manual

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7 8
3-4-2 Setting to detect needle position
It is necessary to memorize the value of needle selection
sensor along the needle positions.
Lateral motion of the machine may not be done normally
without the settings.
1. Remove setscrew of slit collar and remove potentiometer.
Do not remove the cable then.
Mac. No.
〜 〜
1056034A
Slit collar Potentionmeter
Remove screws
Mac. No.
1057001A
〜 〜
Slit collar Potentionmeter
2. Refer to “4-5-1 How to enter maintenance mode” and enter
maintenance mode.
3. Press Machine Test .
4. Press Needle Adjust
Present needle position of potentiometer is indicated.
The number of needle number on the screen is sometimes
not the same as the number of actual needle position.
5. Turn knob so that the needle position can be the 6
th
needle.
6. Press Position .