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Reasons and Solutions for Oil Leakage in Small Road Rollers

Jun 30, 2025

Mechanical oil leakage is a common phenomenon. This phenomenon occurs in common cars and motorcycles. For some small road rollers used for road construction, oil leakage is inevitable. Next, we will explain the daily life for you. What are the causes and solutions of oil leakage from small rollers?

Frequent friction between its own parts makes the oil leakage caused by wear and tear face the general treatment method is to replace it! Oil leakage caused by wear, hardening or loss of elasticity of the oil seal or O-ring! Oil leakage caused by abrasion of the shift shaft journal matched with the oil seal and machining errors!

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Oil leakage caused by external factors such as loose parts during cleaning or clogging caused by dust and other things! Oil leakage caused by loose oil drain plugs and cracks in the gearbox body. When the mating surface of the oil seal or O-ring is artificially assembled, oil leakage due to scratching of the mating surface caused by the machining iron filings of the small roller is not cleaned up. After the gearbox has been working for a period of time, if there are multiple oil seals or O-rings leaking oil, it may be because the exhaust plug is blocked by foreign objects, high pressure is formed in the gearbox body, forcing the oil and gas inside the box from the oil seal to the outside Oil leakage. For this point, it is recommended that you only remove the exhaust plug for cleaning.

There is oil leakage at the exhaust plug of the gearbox. This situation is more common after the gearbox has been working for a period of time. The reason is very simple. It is caused by too much lubricating oil in the tank exceeding the oil level line. Just drain off too much oil.

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