Swing Unit Assembly and Disassembly of Swing Reduction Gear 1. Disassembly
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[1] Remove the oil gauge (30) and plug (31), and then drain the gear oil.
[2] Remove all hexagon socket head bolts M20 × 200 (27).
[3] Use a liftcrane to carefully lift and remove the swing motor subassembly.
WSM-13-06-005EN
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