Panasonic SC-TM23 Service Manual page 26

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.
Step 10 Remove the lower spindle spring with tweezers.
Step 11 Force the lower hook with thin tip of minus
screwdriver.
Step 12 Squeeze the shaft of lower hook, and then draw
26
it.