After a jam the machines timing is off. The needle is no longer in the highest position when the machine stops. Other components are, it seems. Unsure if bobbin ass'y is off or not. How do I check and set the machine timing?
Adjusting the timing of the thread trimmer cam
How to adjust the timing
The timing of the thread trimmer cam for cot ton and synt hetic threads can be obulned simply by aligning the marker dot on the machine ann and the marker dot on the handwheel.
Till the machine head. manually tum the handwheel un til the thread take-up lever almost reaches its highest
position . and press th read take-up picket to the right by finger. This causes the earn toller 10 fit
in the groove of the thread trimmer cam. With this condition maintained, tum the handwheel in the direction
opposite to the nonnal rot ational direction . and you will find a position in which the handwheel no longer
turns. Then, adjust the cam timing so that marker dot on the machine ann is aligned with
marker do t on handwheel This provides the proper cam liming for ca tion
and synthetic threads.
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