5. ADJUSTMENT
* The
Needle center line
Tip
0135Q | 2555Q | 2556Q |
Turn the machine pulley to align the tip of the rotary hook with the needle center line. Then loosen the set screw
(2) and turn the eccentric shaft (3) to adjust so that the driver needle guard (1) contacts the needle.
If the needle contact pressure is too great, skipped stitches may occur. On the other hand, if the driver needle guard (1) is not touching the needle, the tip of the inner rotary hook will obstruct the needle, resulting in an excessively high amount of friction.
0.01 - 0.08 mm
0138Q |
|
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| 2557Q |
|
|
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Turn the machine pulley to align the tip of the rotary hook with the needle center line. Then loosen the set screw
(1)and turn the eccentric shaft (2) to adjust so that the clearance between the needle and the rotary hook is 0.01 - 0.08 mm.
Turn the machine pulley to align the tip of the rotary hook (1) with the needle center line. Then loosen the set screw (2) to adjust so that the clearance between the needle and the rotary hook (1) is 0.01 - 0.08 mm.
3201Q
101 |