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15. With a clean piece of cloth, wipe clean the needle bar guide channel indicated in the image. The
image uses cloth wrapped around the grease applicator for better control of the cloth.
16. With a clean piece of cloth, apply a thin lm of HP grease to the inside of the channel as shown in
the image.
17. Color change to needle #16.
18. Using a 3mm Allen wrench, loosen and remove the four (4) screws shown in the image.
19. After removing the mounting screws, move the left upper arm front cover slightly away from
the machine. Then, rotate it clockwise as shown in the image and remove it completely from the
machine.
20. Locate the presser foot cam as shown in the image.
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