Abstract: Device for positioning, locking, and extracting mobile equipment with respect to a fixed support, of the type including two slideway elements 1, 2, one 1 of which is secured to the mobile equipment E and the other 2 of which is secured to the fixed support S, these elements 1, 2 being designed to guide the mobile equipment E in sliding on the fixed support S until complementary connectors secured on the one hand to the said equipment E and on the other hand to the said support S have been coupled together.This device is characterized in that it includes removable insertion tooling comprising means 9, 11, 15 for temporarily catching hold of a load-spreading body 10 on the fixed slideway element 2, it being possible for a press screw 16 to be screwed into this load-spreading body 10 so as to exert, via its end 20, a thrust on the mobile slideway element 1.