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21) Adjustments for KM-957SR
⑴ Adjustment of Feed Dog Height
Slightly loosen the fixing screw for the wheel feed dog fixing plate①, the fixing screw for the middle gear②, the fixing
screw for the wheel feed dog driving gear③, and the fixing screw for the wheel feed dog height adjusting pin④. And
then adjust the wheel feed dog height adjusting pin⑤ to make the wheel feed dog protrude some 0.8mm from the needle
plate face.
Make sure to set the space between the wheel feed dog⑥, the middle gear⑦, and the wheel feed dog driving gear⑧ to be
minimum to prevent backlash.
⑴ Adjustment of Feed Dog Balance
Slightly loosen the gear base fixing screw① and the needle plate fixing screw②, and adjust the balance of the gear base.
To make the fine adjustment of the feed dog direction, use the four directions of the gear base adjusting screw③. This
way, the leftward or rightward leaning or twist of the feed dog④ can be corrected.
Next, adjust the needle plate⑥ to place the needle⑤ at its center.
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[Figure 54]
[Figure 55]
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