? Oil temperature is too high A. What are the reasons: oil hydraulic system to maintain proper excavator Tai'an best schools, generally in the range of 35 ~ 60 ℃ appropriate school Taian excavator phone, causing the oil temperature is too high The main reasons are: (1) the system inefficient Tai'an famous schools excavator, element capacity is small, the flow rate is too high; bad (2) Fuel tank capacity, or heat; viscosity (3) oil is too large; (4) Oil bad qualitative change, the viscosity of the oil increases, the resistance increases; poor (5) cooling performance. Integrated maintenance wheeled excavators in several areas? A: regularly check on the vehicle of screws loose, slewing ring and walking part of the front and rear axles lands tighten the screws securely. Tai'an best schools excavator, Kerry and excavators school (certified), excavators school by 泰安嘉 and Heavy Machinery Co., Taian Jia and Heavy Machinery Co., Ltd. (www.tajhzg.com/) is Tai'an, mining machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Heavy leader in Kerry and the staff warmly welcome all inquiries negotiations to create Kerry and heavy industry a better future.