MOUNTING/DISMOUNTING JIG FOR COMBUSTOR TAIL PIPE AND TAIL PIPE INSTALLATION METHOD

Disclosed is a tail pipe mounting/dismounting jig for mounting and dismounting a combustor tail pipe in a cylinder, in which the tail pipe is inserted into the interior of the cylinder and the tip of the tail pipe is connected to the intake of a combustion gas duct; wherein said tip and a base end are each supported by the aforementioned cylinder by the tip being disposed in the cylinder interior, and the jig is equipped with a guide unit that supports the aforementioned tail pipe so as to be moveable along the shaft line direction of the aforementioned combustor and an advancing/withdrawing mechanism that advances and withdraws the aforementioned tail pipe along the aforementioned shaft line direction.