Disassembly Procedure of Tunnel Boring Machine

• 1.Arrival
  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.