The system is a pump-controlled volumetric variable speed closed hydraulic system. Changing the rotation direction and position of the servo valve lever can control the travel pump to supply oil to a certain side. The flow rate depends on the specific position of the joystick rotation. The pressure oil is returned to the travel pump via the drum drive motor and the rear axle drive motor. Low pressure side. The oil leakage of the two travel motors and the travel pump is directly returned to the oil tank gear pump through the check valve to replenish the low pressure side, and the charge pressure is set by the relief valve. When the main oil line oil pressure is higher, the high pressure side pressure oil returns to the oil tank through the lock valve relief valve. When the travel system experiences an instantaneous hydraulic shock, its peak pressure oil returns to the low pressure side through the buffer valve to protect the hydraulic components of the travel system from damage. Since the number and size of the domestic motor port have changed, it is necessary to design the oil return plate and the oil drain block. After the installation and commissioning, the continuous test run for one month, the whole machine works well, high and low speed conditions fully meet the actual use needs, completely eradicate the failure of the hydraulic motor oil can not walk. With the advancement and development of the engineering technology, the earth pressure balance shield can be combined with the hard rock excavation technology to design a hybrid shield, which can be used in closed and balanced tunneling operations in soft and cohesive soil layers. The conversion into open tunneling operations further complements and expands the application range of shield technology and makes greater contributions to the development and utilization of underground space resources. The gas device action sensitive department relies on the complete implementation of the handover system. The content of the record meets the requirements. The appropriate reward for the township is encouraged. The following points are appropriately deducted. The signature of the bonus checker on the day is checked monthly, that is, after the weekly maintenance, the specific content column can be Different machine modifications. (Finish)
The SHAANXI spare truck parts cover all the SHAANXI SHACMAN serial truk parts. Our main product cover: SHAANXI SHAMAN F2000/F3000/M3000/X3000/L3000 and etc. We can provide you the realiable quality and best price truck parts to maintance your after market service. Our main product:
-Gearbox Parts: ZF Gearbox Parts; Genuine Gearbox Parts; Fast Gearbox Parts; Main shaft; 2nd Shaft; Cone plate; Clutch Fork and etc;
- cabin assy and cabin accessory; Headlamp, taillamp, bumper, front cover, door and glass;
- chassis parts; sun gear, brake pad, clutch plate, Bearing, differential, PTO, and axle;
- transmission parts; transmission shaft, universal joint, steering pump, clutch booster and brake pedal;
- Engine Parts; cylinder liner, piston, piston ring, oil seal, connection rod bearing, starter, injection pump, oil pump, water pump, air filter, oil filter and fuel filter;
- other spare parts. Curtain, roof, water tank, radiator, inter cooler and ect.
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Jinan JF Co., Ltd , https://www.jfsinotruk.com