Panasonic SA-AK520E Service Manual page 41

NOTE:
Hold the loading stopper ass'y manually bacause it is flipped by spring.
Step 6 Remove the cushion spring.
Step 7 Remove the loading stopper ass'y in the direction of arrow.
Step 8 Release the 2 claws, and then remove the relay gear A.
Step 9 Release the 2 claws, and then remove the spindle shaft.
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