Mast Cap & Spider
AssemblyTop fitting where the stiffleg heads and the luffing bridle attach to the mast. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Mast Cap & Spider
4 top-level lines as of r44992| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Spider Casting | derrick-crane-spider-casting | 1× | 1 | · | part |
| 2 | Bridle Sheave | derrick-crane-bridle-sheave | 2× | 2 | · | part |
| 3 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 4 | Connection Pin Set | derrick-crane-pin-set | 1× | 1 | · | part |