Brother International CB3-B917 Service Manual - Page 35
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4. REPLACEMENT OF PARTS Vertical feed lever 411s 25. Feed roller 27. Worm Horizontal feed lever 26. Feed roller < Assembly and adjustment > Screw flat Washer 1. The screw flat of the lower shaft should be facing straight downward and the worm tightened temporarily. (Remove the washer. After making the adjustment, remove the stop screw from the screw flat, insert it in the threaded part, and tighten the stop screw.) 412s 2. Fit the feed roller to the feed roller shaft . 413s 3. Fit the vertical feed cam to the feed roller . and the horizontal feed cam 414s 0 - 0.3 mm 4. Pass the cam shaft through the horizontal feed cam , the worm gear , and the vertical feed cam . 5. Insert the cam shaft to a depth of 0 - 0.3 mm from the frame surface. 415s 29 CB3-B916A/B917A
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