Shandong Shengyue Technology Development Co.,Ltd is one of the most professional connecting rod bushing a3000-1004202 for yuchai engine manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
Connecting Rod Bushing A3000-1004202 FOR YUCHAI ENGINE
FUNCTION
1. Transmitting Immense Gas Combustion Forces: During the engine's power stroke, the explosive force generated by the combustion gases atop the piston is transmitted downward via the piston pin. The bushing directly absorbs and dampens this massive, cyclical impact load, safely transferring it to the connecting rod assembly, thereby driving the crankshaft's rotation.
2. Minimizing Friction and Accommodating High-Frequency Oscillation: As the piston undergoes reciprocating linear motion within the cylinder, the connecting rod oscillates in tandem; this results in high-frequency, relative reciprocating oscillation occurring between the piston pin and the small end of the connecting rod. The bushing's specific friction coefficient effectively prevents direct metal-to-metal friction between the piston pin and the steel components of the connecting rod.
3. Establishing a High-Pressure Lubricating Oil Film: The interior of the bushing features a specialized design incorporating oil feed holes and oil collection grooves. Engine oil flows through the oil passages within the connecting rod and enters the inner surface of the bushing. Under high-speed operating conditions, these grooves guide the uniform distribution of the oil, establishing a fluid lubricating film that transforms the mode of friction into fluid friction, thereby significantly extending the service life of the components.
DETAILS
| DESCRIPTION | Connecting Rod Bushing | PART NUMBER | A3000-1004202 |
| WEIGHT |
1 kg |
VOLUME | 150 mm × 100 mm × 50 mm |
| TRUCK MOLDE | YUCHAI | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | ENGINE |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Key Technical Points for Installation and Overhaul
1. Press-fitting Direction: During the press-fitting process, the oil lubrication hole on the connecting rod's small end must be precisely aligned. If the oil hole is misaligned, it will result in oil starvation and seizure of the piston pin, potentially leading to severe failures such as cylinder scoring or connecting rod fracture.
2. Interference Fit: The outer diameter of the bushing forms an interference fit with the bore of the connecting rod's small end; therefore, directly striking it with a hammer is strictly prohibited. It must be pressed in smoothly using a hydraulic press and a specialized mandrel.
3. Fit Clearance: The clearance between the inner diameter of the reamed bushing and the piston pin must be strictly controlled within the range of 0.03 mm to 0.05 mm, in accordance with Yuchai Engine's technical standards. If the clearance is too small, seizure is likely to occur; conversely, if it is too large, abnormal knocking noises will result.
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Hot Tags: connecting rod bushing a3000-1004202 for yuchai engine, manufacturers, suppliers, factory, parts, genuine, original
