1. The composition of the main hydraulic circuit systemHitachi excavator main hydraulic circuit system is composed of main hydraulic system and pilot circuit system. The main hydraulic circuit supplies the hydraulic oil of the pump to the actuators of each operating function. 2. The composition o...
For the original PDF preview and download, please click here  Electromechanical A.B adjustment essentials [Check●Adjustment Section] Electromechanical A●B adjustment essentials Electromechanical adjustment Electromechanical adjustments must be made when the following parts are replaced and the...
Komatsu Manufacturing Co., Ltd. (the Komatsu Group) is one of the world's largest construction machinery and mining machinery manufacturing enterprises. It was established in 1921 and has a history of 90 years. Komatsu deals in construction machinery products such as excavators, bulldozers, loade...
  We believe that all the drivers will encounter the failure of the excavator. For these problems, the monitor of the excavator will display some error codes. If you don't understand the meaning of these error codes, we can only rely on our maintenance technician to troubleshoot and detect the ca...
Excavator controller is one of most hot sale part for CMP. It is also called control panel, control unit, control board, ecu, and vecu. We sell Komtasu controller, Hitachi controller, Kobelco controller, Volvo ecu and vecu, Hyundai excavator controller, sumitomo controller, and Daewoo controller...
The owner of the excavator usually shakes his head, and said the controller of his excavator is burn-out, or the monitor cannot be turned on. Actually these problems are man-made damages. And the controller and monitor of the excavators cost hundreds or thousands of dollars. The damage might inev...
Recently, many of our clients asked me a lot of questions about the notice of operation and maintenance for excavator monitors. Now for the questions, we answer together at the same time for your reference: 1, Water cannot be allowed to leak to the monitor. Once the monitor permeates water, it wi...
If there is malfunction for kobelco SK200-8 excavator, there will be erro codes showed on the monitor gauge cluster panel. If you do not understand the meaning of these erro codes, the machine will be in severe abnormal operation. Eeven the excavator will be scraped if you do not care about it.Fo...
MC engine learning program is performed when the following three cases occur: ① After dismantling or replacing the MC. ② After replacing the EC stepping motor or reinstalling the disassembled EC stepping motor ③ After adjusting the engine idling. So the operators and mechanics must be familiar wi...
Hydraulic pump is a very important parts for Hitachi EX200 excavators that including ex200-2 ex200-3 ex200-5. If the hydraulic pump is damaged, the replacement of the entire hydraulic pump is costly, but it can achieve normal use by replacing damaged parts with lower cost. There are many replacin...
Komatsu PC200-6 hydraulic crawler excavator sometimes works weekly and moves slowly. We think the main problem is the faulty of hydraulic system. This article mainly helps to analysis on this issue and hope that it will help. 1.  Low Pressure for The Main Pump PC200-6 excavator uses a double swas...
We believe that all the drivers will encounter the failure of the excavator. For these problems, the monitor of the excavator will display some error codes. If you don't understand the meaning of these error codes, we can only rely on our maintenance technician to troubleshoot and detect the caus...