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Three major reasons for overheating of car crane engines
The engine is a very important part of the car crane. If it is abnormally hot, it must be a malfunction. Here are some reasons for the abnormal heating of the car crane engine. I hope everyone can pay more attention. First, improper operation. Car…
What are the components of a car crane?
The car crane is mainly composed of three major parts: 1. The lower part of the vehicle (also known as the chassis) small tonnage of the car crane generally uses a standard truck chassis, the large and medium tonnage of the car crane uses a specia…
How to break down the slewing ring of a car crane? ?
Today, Xiaobian will tell you about the decomposition of the slewing ring of a car crane. 1. Knock out the pin at the plug from the bottom of the slewing ring. Since the top of the pin is flanged, the flange portion is worn away with a grinding whe…
How to assemble the car slewing ring?
The previous article said how to decompose, so today I will talk about how the car cranes are assembled after disassembly. 1. Before installing the slewing ring inner ring and outer ring, thoroughly remove the old grease in the sealing and sealing …
How to clean the car crane filter
According to the cleanliness of diesel fuel, the diesel filter generally needs to be cured once every 5-10 days. Just unscrew the screw plug to release the water or remove the water bottle of the pre-filter, pour the impurities and water, clean it and…
The main reason for the sinking of the mobile tower chassis
Why does the chassis sink when the mobile tower crane is working? The main reason for the chassis sinking: First, the oil seal on the piston in the hydraulic cylinder is fatigued, and the high pressure oil in the upper chamber leaks into the lower ch…
Xuzhou truck crane manufacturers talk about the diagnosis of drop jitter
The truck crane boom luffing mechanism is mainly used to change the working radius, it is required to carry the variable amplitude, and the luffing action is stable and reliable, and usually has a variable amplitude hydraulic circuit to complete.When …
Mobile tower crane boom automatic retraction troubleshooting method
Based on this analysis, the following methods were used for further inspection. Extend the mobile crane boom and load it so that the operating valve is in the neutral position, and release the balance valve to the B-port curved pipe joint to eliminate…
Mobile tower crane leg troubleshooting and precautions
Trouble shooting mobile tower crane troubleshooting methods: one is to replace the new one; the second is to repair and adjust. In addition, the following points should be noted during the disassembly and repair process.1. Before cleaning, first clean…