Leader Mast
AssemblyBox-section mast 18-30 m tall that guides the rotary head on rails and reacts crowd and torque loads. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Leader Mast
6 top-level lines as of r145166| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Mast Box Section | rotary-bored-piling-rig-mast-section | 2× | 2 | · | part |
| 2 | Head Guide Rail | rotary-bored-piling-rig-mast-rail | 2× | 2 | · | part |
| 3 | Crowd Cylinder | rotary-bored-piling-rig-crowd-cyl | 1× | 1 | · | part |
| 4 | Crowd Rope System 3 parts | rotary-bored-piling-rig-crowd-rope | 1× | 1 | 0 | assembly |
| 5 | Mast Crown Sheave | rotary-bored-piling-rig-mast-head-sheave | 2× | 2 | · | part |
| 6 | Fastener Set | fastener-set | 4× | 4 | · | part |