3328463 is a special oil passage control part used in transmission, hydraulic control module and clutch oil system of construction machinery. It is mainly used to conduct, block or distribute hydraulic and lubricating oil passages, ensuring stable oil pressure and sufficient lubrication. With precision machining, it features compact structure and good sealing performance, working reliably under high pressure, high temperature and continuous oil scouring conditions.
Technical Parameters
- Model: 3328463
- Type: Oil passage locating pin / throttling oil passage pin
- Material: High-quality carbon structural steel or alloy structural steel
- Surface Treatment: Blackening or phosphating anti-rust treatment
- Precision: Outer diameter precision ground with stable fitting clearance
- Working Pressure: Suitable for standard working pressure of transmission and hydraulic system
- Operating Temperature: -40℃~120℃
- Structure: Cylindrical body with central oil hole or side outlet hole, combining positioning and oil guiding functions
Application Scenarios
Suitable for transmission valve bodies, clutch oil cylinders, planetary transmission mechanisms, main shaft oil passages and other parts of construction machinery such as loaders, graders, rollers and forklifts. Used for oil passage connection, pressure control, lubricating oil delivery and oil passage sealing positioning to ensure normal oil supply for hydraulic shifting and lubrication systems.
Common Faults & Troubleshooting
- Oil passage blockage and insufficient oil supply: Caused by carbon deposit or impurities in oil passage. Clean or replace 3328463 oil passage pin.
- Oil leakage and pressure relief: Caused by excessive fitting clearance or surface scratch. Replace with new part and check mounting hole accuracy.
- Breakage and falling off: Caused by vibration impact or improper installation. Replace oil passage pin and check assembly fastening.
- Insufficient lubrication: Caused by blocked oil hole or offset position. Clear oil passage and reinstall correctly.