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SCREEN AS 4Z9081 - Caterpillar



4Z9081 SCREEN AS Caterpillar parts D8R, D8R II SCREEN
Rating:
82
Alternative (cross code) number:
CA4Z9081
4Z-9081
4Z9081
Caterpillar 4Z9081 SCREEN AS

Buy SCREEN AS 4Z9081 Caterpillar genuine, new aftermarket tractor parts with delivery
TRACK-TYPE TRACTOR,

Compatible equipment models: 4Z9081:

TRACK-TYPE TRACTOR  D8R   D8R II   Caterpillar
Number on catalog scheme: 5
 
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Engine Oil Leaks on the Outside of the Engine
Check for leakage at the seals at each end of the crankshaft. Look for leakage at the gasket for the engine oil pan and all lubrication system connections. Look for any engine oil that may be leaking from the crankcase breather. This can be caused by combustion gas leakage around the pistons. A dirty crankcase breather will cause high pressure in the crankcase. A dirty crankcase breather will cause the gaskets and the seals to leak. Engine Oil Leaks into the Combustion Area of the Cylinders
Engine oil that is leaking into the combustion area of the cylinders can be the cause of blue smoke. There are several possible ways for engine oil to leak into the combustion area of the cylinders:
Failed valve stem seals
Leaks between worn valve guides and valve stems
Worn components or damaged components (pistons, piston rings, or dirty return holes for the engine oil)
Incorrect installation of the compression ring and/or the intermediate ring
Leaks past the seal rings in the turbocharger shaft
Overfilling of the crankcase
Wrong dipstick or guide tube
Sustained operation at light loadsExcessive consumption of engine oil can also result if engine oil with the wrong viscosity is used. Engine oil with a thin viscosity can be caused by fuel leakage into the crankcase or by increased engine temperature.

Caterpillar parts catalog:

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Parts screen Caterpillar catalog:

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