As a heavy machinery widely used in construction, mining, ports and other industries, the Carter loader’s speed control valve is a key component to achieve the speed change function. However, in actual use, various malfunctions may occur in the variable speed control valve, affecting the normal operation of the loader. This article will analyze common faults of the variable speed control valve of Carter loaders and propose corresponding treatment methods.
1. The transmission control valve fails.
Cause of failure:
The failure of the transmission control valve may be caused by blockage of the oil circuit, stuck valve core, etc. When the speed control valve fails, the loader cannot shift gears normally, affecting operating efficiency.
Treatment method:
First check whether the oil line is blocked. If blockage is found, clean the oil line in time. Secondly, check whether the valve core is stuck. If stuck, disassemble the variable speed control valve and clean it. At the same time, check whether the spring of the transmission control valve is damaged. If damaged, replace it.
2. Oil leakage from the transmission control valve
Cause of failure:
Oil leakage from the transmission control valve may be caused by aging and wear of the seals. When the transmission control valve leaks oil, the oil will leak into the hydraulic system, causing the pressure of the hydraulic system to drop and affecting the normal operation of the loader.
Treatment method:
First, check whether the seals are aging and worn. If aging or wear is found, replace the seals in time. Secondly, check whether the transmission control valve is installed correctly. If incorrect installation is found, reinstall the transmission control valve. At the same time, check whether there is pressure loss in the hydraulic system. If pressure loss is found, repair the hydraulic system in time.
Common faults of the variable speed control valve of Carter loaders mainly include failure and oil leakage. For these faults, we can deal with them by cleaning the oil circuit, cleaning the transmission control valve, replacing seals, reinstalling the transmission control valve and repairing the hydraulic system. In the actual operation process, we should choose the appropriate processing method according to the specific situation to ensure the normal operation of the loader. At the same time, in order to reduce the failure rate of the variable speed control valve, we should regularly maintain and maintain the loader to ensure that it is in good working condition.
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Post time: Sep-24-2024