Retention assembly for gas turbine engine

A retention assembly for a gas turbine engine comprising:

• a bolt including a head and a shaft, the shaft having a first portion defining a first shaft diameter and a second portion defining a second shaft diameter, the second shaft diameter being of a length greater than the first shaft diameter;
• a fitting component including a body defining a pair of first through-holes at an inner region of the body and defining a pair of second through holes at a perimeter region of the body;
• a spacer defining a first bore with a first bore diameter and defining a second bore with a second bore diameter having a length less than the first bore diameter;
• a housing defining at least one receiving aperture sized to receive the second portion of the shaft;
• and
• a conduit assembly including a pair of conduits for securing to the fitting component such that one of the pair of conduits is open to one of the pair of first through-holes,
• wherein the bolt and the spacer are arranged with one another such that the head and the second portion of the shaft constrain bolt translation in two directions along an axis defined by one of the first bore and the second bore, and wherein the bolt, the spacer, the fitting component, and the housing are arranged with one another such that one of the pair of second through holes is aligned with the at least one receiving aperture and such that a first clearance space is defined between the first portion of the shaft and a surface of the first bore and a second clearance space is defined between the second portion of the shaft and a surface of the second bore, the first clearance space and the second clearance space being defined when the second portion of the shaft is disposed within the at least one receiving aperture.

A method for securing a fitting component to a housing of a gas turbine engine comprising:

• arranging a bolt and spacer with one another to define a coupled relationship therebetween, the bolt including a shaft defining first and second diameters and including a head, the spacer including a first through-hole defining third and fourth diameters, the bolt and spacer being arranged with one another such that diameter differences between the bolt and spacer permit partial translation of the bolt along a centerline defined by the first through-hole while preventing the bolt and spacer from separating from one another to break the coupled relationship;
• inserting a first end of the bolt through a second through-hole of a fitting component and into a housing aperture of a housing;
• and
• applying a pressing force to the spacer and the fitting component such that the spacer and the fitting component are joined with one another.