Disassembly Procedure of Tunnel Boring Machine
2.Dismantle of manhole-side wall (Cut an opening)
3.Maintain the Shaft
(Protect the gap between the manhole outer wall face and the outer cylinder)
4.Disassembly and removal of the cutter
5.Disassembly and recovery of bulkhead and inner equipment
6.Push out the jacking pipe and complete the pipe construction.