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10.12.3 Disassembly and reassembly for
mechanism base drive unit
Step 1 Remove 3 screws.
Step 2 Release the claw, and then remove the gear holder.
Step 3 Remove the belt and change gear spring.
NOTE:
Take care not to lose the change gear spring.
Step 4 Remove the pulley gear, change gear and UP/DOWN
gear.
Step 5 Release the 2 claws, and then remove the bottom SW
P.C.B..
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