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2023年8月26日星期六

The Possible Causes and Troubleshooting Methods of Cat Engine Consumption of Excessive Lubricating Oil and Turbocharger Oil Seal failure

 The possible causes and troubleshooting methods of excessive engine oil consumption and turbocharger oil seal failure are as follows. 

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 A. The engine consumes too much lubricating oil The possible causes and solutions are as follows. 

 (1) There is too much lubricating oil in the engine. Get rid of excess oil, find out its source, and fill the engine with the right amount of oil. 

 (2) Oil leakage. Find all oil leaks. Repair if necessary. 

 (3) The oil temperature is high. Check the operation of the oil cooler. Install new parts if necessary. Clean the movement of the oil cooler. 

 (4) There is too much oil in the intake valve guide. Refer to the section "Organic oil in exhaust air". 

 (5) The valve guide is worn. Refer to the section "Organic oil in exhaust air". 

 (6) The piston ring is worn. Install new parts if necessary. 

 (7) The oil seal of the turbocharger is faulty. Check the turbocharger. Repair turbocharger if necessary.

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  B. The possible causes and troubleshooting methods of engine coolant overheating are as follows. 

 (1) Restricted air flow or coolant flow through the radiator. Remove all throttle components. 

 (2) The coolant level is low. Add coolant to the cooling system.

  (3) The pressure cap is faulty. Check the operation of the pressure cap. Install a new pressure cap if necessary. 

 (4) There is combustion gas in the coolant. Locate the source of combustion gases leaking into the cooling system. Repair if necessary. 

 (5) The thermostat or thermometer is faulty. Check that the thermostat or water temperature gauge is operating correctly. Install new parts if necessary.  

(6) Water pump failure. Install new water pump.  

(7) The system load is too large. Reduce system load. 

(8) Fuel injection timing error. Adjust fuel injection timing. 

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 (9) The drive belt is loose. Adjust drive belt. (10) Antifreeze concentration is too high. 50% antifreeze concentration is suitable for most situations.

312D2 and 313D2 Excavators, Machine Systems Duo-Cone Universal Floating Seal - Installation

  This article describes the 312D2 and 313D2 excavators, machine systems Duo-Cone Universal Floating Seal - Installation Caterpillar ET2024...