Crown Block
PartTop sheave cluster carrying the hoist and sandline cables. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Crown Block
2 top-level lines as of r50134| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 2 | Oil Seal | oil-seal | 4× | 4 | · | part |