A blade for an ice resurfacer having mounting holes is disclosed and has: one or more indexing holes; threaded sockets provided one for each mounting hole; and an operative position whereat each socket is contiguous with its hole. In use, a locating pin is threaded in a socket and received by the hole for said socket. Also provided is a tray, a jack and an indexing pin for each indexing hole. The tray holds the blade. Each indexing pin is received in use by its hole. The jack moves the tray between first and second positions associated with first and second configurations of the jack. In the first configuration, the assembly can move a loading position. In the second configuration, when the blade is held by the tray and the apparatus is in the loading position, the locating pins are received by mounting holes and the blade is operatively positioned.