Gantry (A-Frame)
AssemblyRaised A-frame on the revolving deck that lifts the boom hoist reeving for mechanical advantage. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Gantry (A-Frame)
4 top-level lines as of r39754| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Gantry Leg | crawler-crane-lattice-gantry-leg | 2× | 2 | · | part |
| 2 | Gantry Sheave | crawler-crane-lattice-gantry-sheave | 4× | 4 | · | part |
| 3 | Ball Bearing | ball-bearing | 8× | 8 | · | part |
| 4 | Boom Pin Lug | crawler-crane-lattice-boom-pin-lug | 4× | 4 | · | part |