Boom Head
AssemblyTop section carrying the load sheaves over which the main and whip ropes pass. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Boom Head
4 top-level lines as of r39749| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Head Sheave | crawler-crane-lattice-head-sheave | 5× | 5 | · | part |
| 2 | Ball Bearing | ball-bearing | 10× | 10 | · | part |
| 3 | Rope Guard | crawler-crane-lattice-rope-guard | 2× | 2 | · | part |
| 4 | Boom Pin Lug | crawler-crane-lattice-boom-pin-lug | 4× | 4 | · | part |