Fig.33
B
C
A
D
②
0~0.05mm
④
③
DB×1
DP×5
DA×1
B D
②
①
24. Adjust the synchronization of the needle and feed
Fig.34
A
②
①
B
Standard
Needle timing
is delayed
Needle timing
is advanced
③
1. Remove the rubber plug ①.
2. Loosen the two set screws ③ of the feed eccentric cam ②,and then turn the feed eccentric cam ② slightly to adjust
the timing: If make the needle sooner than material feeding, rotate toward A direction. If make the needle later than
material feeding, rotate toward B direction. ( The standard of adjustment is when the feed dog falling from the
highest to the surface of needle plate, the top of the needle and needle plate should at the same level).
3. Tightening two positioning screw ③ and assembly the rubber plug ① after adjusting.
Caution:
1. To prevent the unexpected startup of sewing machine, switch off the power supply before the operation is
conducted.
2. If the feed lifting eccentric cam ② is turned too far in the direction A, it may cause the needle to break.
3. To prevent material slippage from occurring, delay the needle timing.
4. To improve thread tightening, advance the needle timing.
14
TEXI Tronic 1 NEO - Operation manual