Swing Drive Unit
AssemblyOne of several drive units spaced around the roller circle; each runs a mill motor through a gearbox to a pinion that walks the whole upperworks around the swing rack. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Swing Drive Unit
4 top-level lines as of r49639| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | DC Mill Motor 6 parts | dragline-mill-motor | 1× | 1 | 0 | assembly |
| 2 | Swing Gearbox 4 parts | dragline-swing-gearbox | 1× | 1 | 0 | assembly |
| 3 | Swing Pinion | dragline-swing-pinion | 1× | 1 | · | part |
| 4 | Ball Bearing | ball-bearing | 2× | 2 | · | part |