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12
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ADJUSTING THE BK AUXILIARY FEEDING DEVICE
12-1 Auxiliary feed dog height & tilt
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Height adjustment
When auxiliary feed dog A is at the top of its stroke,
the auxiliary feed dog teeth should be 1.5mm above
the top surface of auxiliary feed dog plate B.
Adjustment is made by loosening screw C.
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Tilt adjustment
When auxiliary feed dog A is at the top of its stroke,
auxiliary feed dog A should be parallel with auxiliary feed dog plate B.
Adjustment is made by loosening screw D and turning screw E.
12-2 Installing the auxiliary presser foot
Install the auxiliary presser foot on the presser bar
with spring A pressed down to approximately 10mm.
Then tighten screw B.
Position collar C so that there is a clearance of 2mm
between collar C and guide plate D.
Then tighten screw E.
12
