|Piper Aircraft Inc||PA31-310||TIO-540-A1A/A2A|
|Piper Aircraft Inc||PA31-310||TIO-540-A1B/A2B|
|Piper Aircraft Inc||PA31-310||TIO-540-A2C|
|Piper Aircraft Inc||PA31-325||(L)TIO-540-F2BD|
406610-0020: TURBOCHARGER ASSEMBLY
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- Engine Applications
Alternate Part Numbers: LW-12689
AeroForce produces aircraft turbocharger components on advanced CNC equipment, inspects them using precision Coordinate Measuring Machines (CMMs), and every assembly is accurately balanced using high-speed balancing equipment, capable of balancing to speeds in excess of 100,000 rpm. We offer an application for nearly any size and performance requirement, spanning the engine range from the Rotax 914 to the largest big bore Continentals and Lycomings used in pressurized aircraft.
Installation Instructions: https://aeroforce.aero/aircraft-turbochargers-support/installation-instructions/
Maintenance Manuals: https://aeroforce.aero/aircraft-turbochargers-support/maintenance-manuals/
Pre-oiling should be accomplished at installation or any time the turbocharger oil system is disassembled for any reason. Pre-oiling insures there will be adequate oil flow at the turbocharger bearings to support the shaft load at initial start-up. Just like a crank or camshaft bearing, we do not want to “start” the turbocharger with dry bearings. Once a turbocharger bearing is compromised due to lack of lubrication, turbocharger life will be diminished. Pre-oiling instructions can be found under the turbocharger Installation Instructions on the Aeroforce.aero website.
Yes, the compressor and exhaust housings are factory set at a pre-determined position, many times for shipping purposes. The housings can be re-aligned at installation to fit the engine installation. The alignment procedure can be found under the turbocharger Installation Instructions on the Aeroforce.aero website.
400 series turbochargers do not incorporate seals in the center housing where the oil is located. They do incorporate small piston rings on the shaft that, along with the gas pressures pushing in, help prevent the oil from coming out. Until there is a varnish built up on the shaft and housing, a new turbocharger will leak oil. This oil seepage may last up to 10 hours but typically is gone within a couple hours of run time. Once the turbo is installed and pre-lubed, run the engine at normal operation to help “seat” the piston rings and build up the protective coat of varnish.
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