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Do not operate without material under the presser foot unless the knee
lever is depressed. This will prevent damage to the needle and the feed
dog as well as the feed plattens.
5. Replacing Needle
Turn handwheel away from operator (clockwise) until needle reaches the
end of its return stroke ( extreme left hand position). Adjust penetration dial to
least amount of penetration (turn clockwise towards I).
Remove old or defective needle by loosening needle clamp screw. Insert new
needle into seat in needle clamp as far as it will go. Tighten needle clamp
screw.
Turn hand wheel slowly away from operator and observe movement of needle.
The curved portion of the needle should bear slightly on the needle guide
groove in the left hand part of the presser foot.
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