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5. ADJUSTMENT
５-３. Adjusting the driver needle guard
* The KE-484C does not have a driver needle guard.
Ti
p
Needle center line
2556Q 0135Q
2555Q
Tu
rn 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.
５-４. Adjusting the needle clearance
<KE-430B series, KE-430C series, BE-438B, 438C>
0.01 - 0.08 mm
2557Q
0138Q
Tu
rn 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.
<KE-484C>
3201Q
Tu
rn 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.
KE-430B, 430C series
101