Summer is coming, in the summer excavator maintenance management is very important, routine maintenance excavator is mainly reflected in several aspects of it? First, the excavator routine maintenance: all grease fittings, slewing ring, wiping every 10 Sky 15 days once the butter, different angles butter every 4-8 hours to play twice, each gear within the first 520 hours of work to replace one, After the replacement of 2-3 times a year, the engine must be preheated for 10-15 minutes before work. Second, the hydraulic oil in winter and summer two winter oil is No. 32 or No. 46, 68 or 100 summer oil, used digging machine prices, must wear hydraulic oil, except that the high summer temperatures, the use of hydraulic oil viscosity is high , low winter temperatures, the use of hydraulic oil viscosity is low. Third, the excavator which is easy to loose parts A: slewing ring gear, the engine loose screws, requirements and coated plastic thread, must bear firmly. IV Notes A parking after: low-speed operation must be 10-15 minutes before the flame, a first arm and bucket perpendicular to the ground, digging machine prices, a few pilot valve activity, the hydraulic oil pressure in the system all relief so far. Fifth, within the structure of Rotary reducer A: rotary motor, motor bracket, a shaft drive, a Samsung frame, a shaft, Samsung hoist, drive ring, vertical. Sixth, the running gear of the internal structure of the A: travel motor, a gear, ring gear, the Samsung stand, Samsung hoist, gear holder, axle, wheels ring. How excavator excavator hydraulic system to make no noise? One. Piston pump or motor noise II. Relief Valve noise relief valve is easy to generate high frequency noise is mainly caused by the pilot valve performance is unstable, that is, before the pilot valve chamber pressure caused by high-frequency oscillation noise caused by vibrations in the air . The main reasons are: 1. needle during use due to frequent opening and excessive wear, the needle valve cone and seat can not seal, causing the pilot flow instability, resulting in pressure fluctuations caused by the noise, and you should be repaired or replacement. 2. The oil mixed with air, in front of the pilot valve cavity to form cavitation caused by high frequency noise. In this case, it should be drained to prevent outside air and air re-enter. 3. The pilot valve by the spring fatigue deformation caused by its regulator function instability, Baoding digging machine prices, so that the pressure fluctuations caused by noise, 90 digging machine prices, it should replace the spring. III. 1. noise hydraulic cylinder oil mixed with air or hydraulic cylinder air is not completely drained, cavitation under high pressure caused by large noise. In this case, shall be promptly drained air. 2. The cylinder head or piston rod seal tight bend in the course of the campaign and also because of other fresh produce noise. In this case, must be replaced or straightening rod seals. IV. Dead line pipe bend too much noise or loose fixing clips can also produce vibration and noise. Therefore, the circuit arrangement should avoid dead corner, for loose clamps must be tightened.泰安嘉 and Heavy Machinery Co., Ltd. digging machine price list _ Kerry and Heavy Industries (Online) _ Baoding digging machine prices offered by 泰安嘉 and Heavy Machinery Co., Ltd .. Digging machine price list _ Kerry and Heavy Industries (Online) _ Baoding digging machine prices are Taian Jia and Heavy Machinery Co., Ltd. (www.tajhzg.com/) this year introduced a new upgrade, the above picture is for reference only, please call this page or image Contact phone, for the latest information, contact: Xing Jingli.