Boom Arm
AssemblyThe multi-section folding arm with hydraulic cylinders that reaches concrete out over the pour. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Boom Arm
6 top-level lines as of r35339| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Boom Section | concrete-placing-boom-section | 4× | 4 | · | part |
| 2 | Knuckle | concrete-placing-boom-knuckle | 3× | 3 | · | part |
| 3 | Boom Cylinder | concrete-placing-boom-arm-cylinder | 4× | 4 | · | part |
| 4 | End Hose | concrete-placing-boom-end-hose | 1× | 1 | · | part |
| 5 | Pin Set | concrete-placing-boom-pin-set | 1× | 1 | · | part |
| 6 | Ball Bearing | ball-bearing | 6× | 6 | · | part |