Volvo's 21267844 thrust washer is a type of engine plain bearing, primarily used to limit axial crankshaft movement and ensure proper operation of the connecting rod and piston. By supporting the crankshaft's axial motion, it absorbs the thrust generated by rotation and reduces friction and wear.
This thrust washer is manufactured from high-quality materials to ensure stable performance even under high engine speeds.
Main Functions and Features
Axial Positioning: As the core component for axial positioning of the crankshaft, it contacts the crankshaft thrust surface through an alloy layer, absorbing axial loads during engine operation and preventing axial movement of the crankshaft.
Friction Reduction: Optimized contact surfaces and lubrication properties effectively reduce the friction coefficient with the crankshaft, minimizing power loss.
Protecting Critical Components: By absorbing axial forces from the crankshaft, it ensures smooth operation of the crankshaft, bearing seat, connecting rod, bearing shell, and other components, preventing abnormal wear.
Compact Structure: Utilizing modern thrust washer design principles, it ensures optimal performance within limited space.
Installation and Usage Guide
Installation Location
Thrust washers are typically installed between the end face of the crankshaft and the end face of the bearing seat in an internal combustion engine to adjust the axial clearance and prevent the crankshaft from moving due to axial pressure.
Installation Precautions
Orientation Verification: Strictly follow the orientation markings during installation, with the non-oil groove side facing the cylinder block and the oil groove side facing the crankshaft.
Lubrication: Apply lubricant to the oil groove surface to reduce initial wear.
Clearance Check: Ensure the axial clearance is within the allowable range.
Consequences of Improper Installation
Incorrect installation can lead to lubrication failure, accelerated wear of the alloy layer, loosening of the crankshaft, and even piston-cylinder collision.
Maintenance and Troubleshooting
Thrust Washer Wear Symptoms
When a thrust washer is worn, the engine may exhibit the following symptoms:
A noticeable "clattering" sound during engine operation, especially at idle or low speeds.
Loss of engine power, weak acceleration, and increased fuel consumption.
Engine jitter, especially when accelerating or climbing hills.
Inspection and Replacement
When the crankshaft's axial play exceeds 0.5-0.6mm, inspect the thrust plate alloy for wear. During maintenance, pay attention to the matching cylinder markings. Do not replace damaged connecting rods individually; replace the entire crankshaft-connecting rod assembly.
Tips for Extending Service Life
Regularly change the engine oil and filter to keep the engine clean.
Avoid running the engine at high speeds or overloading it for extended periods.
Check the engine's axial clearance regularly and address any problems promptly.
Purchasing Information
Ningbo Qiuning Trading Co., Ltd. is committed to providing customers with high-quality engine parts. The Volvo 21267844 thrust plates we supply are rigorously screened to ensure they meet high quality standards.
If you would like more information about Volvo's 21267844 thrust washer or would like to purchase this product, please contact us via the following methods:
Email: allen@perkins-rx.com
Website: http://www.cnqn.net/
WhatsApp/WeChat: +8615888032469
We will provide you with professional product consultation and excellent after-sales service.
Conclusion
Although Volvo's 21267844 thrust washer is a small part in the engine, it plays a vital role. Selecting the right thrust washer, installing it correctly, and maintaining it regularly can effectively ensure stable engine operation and extend its service life.
Ningbo Qiuning Trading Co., Ltd. looks forward to working with you and providing you with high-quality products and services.
