Water Supply and Cooling
AssemblyTakes fresh water from the tunnel water line through a hose reel, stores it in a tank and pumps it to the cutterhead sprays, dust scrubber and drills. A closed cooling circuit carries heat from the motors, converters and hydraulic oil to a plate heat exchanger. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Water Supply and Cooling
4 top-level lines as of r194041| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Water Hose Reel | main-beam-tbm-water-hose-reel | 1× | 1 | · | part |
| 2 | Water Tank | main-beam-tbm-water-tank | 1× | 1 | · | part |
| 3 | Water Booster Pump | main-beam-tbm-water-pump | 2× | 2 | · | part |
| 4 | Plate Heat Exchanger | main-beam-tbm-heat-exchanger | 1× | 1 | · | part |