PC200-6 Turbocharger For Excavator Diesel Engine 3802289 4025330 4089345 4089711

6D102 Diesel Engine Turbocharger For Excavator PC200 - 6 3802289 4025330 4089345 4089711

Specification

Description

What kind of engine does a turboprop engine use?

Propellers are very efficient and can use nearly any kind of engine to turn the prop (including humans!). In the turboprop, a gas turbine core is used. How does a turboprop engine work? There are two main parts to a turboprop propulsion system, the core engine and the propeller.

Turbo Maintenance

One thing all turbos need to survive is good lubrication and cooling. The turbine and compressor wheels are mounted on a shaft that is supported by water-cooled bearings in a center housing. The bronze shaft bearings are pressure lubricated and must have a steady supply of oil to handle the high shaft speeds. Synthetic oils are best for turbos because they can handle higher operating temperatures. Regular oil and filter changes are also essential to prevent viscosity breakdown, varnish deposits and sludge that can damage the turbo’s shaft bearings.

Turbo Troubles

The most common problem with high mileage turbos is bearing wear, although blade erosion can also be an issue if the vehicle has an ill-fitting, damaged or missing air filter. Turbine wheel damage in the turbo housing can also occur if an engine has had a valve or piston failure and shrapnel exited an exhaust port.

Noise such as whistles or hisses can be caused by air leaks in the turbo housing, connections or plumbing. Squealing or scraping sounds can be caused by bad shaft bearings or the wheels inside the turbo scraping against the housing. Oil inside the compressor housing would tell you the shaft seals are leaking.

Bad turbo shaft bearings can reduce turbo speeds and boost pressure, or they may cause the turbo to stop spinning altogether. A good turbo should spin freely with no drag, scraping or noise when spun by hand. Any wheel-to-housing interference will create drag and prevent the turbo from reaching normal speeds.

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