TO ELIMINATE END PLAY OR BINDING OF FEED ROCK SHAFT
AND FEED LIFTi NG ROCK SHAFT
Singer Featherweight Service Manual



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The manual is split into multiple parts. Pictures are the original but the type has been reset for clarity. This was intended for trained engineers – only take on jobs with which you are comfortable.

Part 13
Index –– Part 2 –– Part 3 –– Part 4 –– Part 5 –– Part 6 –– Part 7 –– Part 8 –– Part 9 –– Part 10 –– Part 11 –– Part 12 –– Part 14 –– Part 15 –– Part 16 –– Part 17 –– Part 18 –– Part 19 –– Part 20 –– Part 21 –– Part 22 –– Part 23 –– Part 24 –– Part 25 –– Part 26 –– Part 27 –– Part 28

Index –– Part 2 –– Part 3 –– Part 4 –– Part 5 –– Part 6 –– Part 7 –– Part 8 –– Part 9 –– Part 10 –– Part 11 –– Part 12 –– Part 14 –– Part 15 –– Part 16 –– Part 17 –– Part 18 –– Part 19 –– Part 20 –– Part 21 –– Part 22 –– Part 23 –– Part 24 –– Part 25 –– Part 26 –– Part 27 –– Part 28

Binding may be caused by lack of lubrication or foreign material obstructing moving parts. Clean and lubricate.

To eliminate end play or binding in hook driving shaft, loosen counterbalance set screw and bushing set screw, Fig. 26. Position shaft as required to eliminate binding or end play and move bushing against the hook, taking care to maintain correct

clearance between needle and hook. Place counterbalance against bushing and tighten set screw. In gear-driven machines, it may be necessary to loosen set screws in horizontal hook shaft bevel gear while making this adjustment. Then tighten set screws.

Recheck clearance between needle and hook and check the hook timing.

To eliminate end play or binding of feed rock shaft loosen set screw at right end of shaft, Fig. 26, and adjust center shown so that shaft rides snugly but freely, (without left or right movement).

Securely tighten set screw.

To eliminate end play or binding of feed lifting

rock shaft, loosen set screw at right end of shaft, Fig. 26, and adjust center shown as required.

Securely tighten set screw.

Check position of feed dog and adjust as required.

TO ELIMINATE END PLAY OR BINDING
OF HOOK DRIVING SHAFT