Hyundai HX145LCR Manual page 527

2) DISASSEMBLY
(1) Remove the swing motor, and then place
swing reduction gear on the bench.
(2) Disassemble sun gear No.1 (22).
(3)
Disassemble carrier No.1 sub assembly.
Carrier No.1 sub assy disassembly
(4) Put carrier No.1 sub assembly on the bench,
then remove the snap ring (23).
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125LCR8SM60
125LCR8SM61
125LCR8SM62
125LCR8SM63