Backspin Brake
AssemblyA hydraulic or disc retarder that controls the stored-energy reverse rotation of the rod string when the drive stops, preventing rod and surface-equipment damage. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Backspin Brake
3 top-level lines as of r133816| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Brake Disc | pcp-brake-disc | 1× | 1 | · | part |
| 2 | Brake Shoe | pcp-brake-shoe | 2× | 2 | · | part |
| 3 | Coil Spring | coil-spring | 2× | 2 | · | part |