Slewing System
AssemblyDrive that turns the whole mast and boom on the foot socket, limited to roughly 270 deg by the stifflegs. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Slewing System
4 top-level lines as of r45031| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Slew Drive Unit 6 parts | derrick-crane-slew-drive | 1× | 1 | 0 | assembly |
| 2 | Slew Bull Wheel | derrick-crane-slew-bullwheel | 1× | 1 | · | part |
| 3 | Slew Brake | derrick-crane-slew-brake | 1× | 1 | · | part |
| 4 | Slew Limit Cam | derrick-crane-slew-limit-cam | 1× | 1 | · | part |