How to repair and maintain the loader gearbox
Apr 03,2025
Hydraulic transmission oil is the energy carrier for the normal operation of the transmission. In the hydraulic transmission system, the pressure, temperature and flow of the working fluid all determine whether the transmission can work normally. Therefore, in the daily maintenance of the transmission, attention should be paid to Inspection and replacement of hydraulic transmission oil.
1. Fixed oil change interval
Oil changes at the correct intervals are the key to the longevity of the components in the transmission. Only by ensuring a reasonable oil change interval can the lubricating and protective properties of lubricating oil be exerted.
In general, it should be based on the maintenance cycle recommended by the manufacturer of the whole machine, but this can only be relative, and the actual working conditions can be known only by combining with the results of oil sample extraction and analysis. For example, the maintenance manual requires that the oil change interval of the gearbox is 1000h. According to the operation of the loader, we conduct a sampling analysis of the oil sample every 500h or 250h to decide when to change the oil, but when the lubricating oil is used for 1000h, it should be Replace immediately. In addition to regular replacement of new oil, in the usual inspection, if the oil is found to be deteriorated or mixed with impurities, it should also be cleaned and inspected, and new oil should be replaced.
2. Use the correct method of draining and changing oil
When draining oil, the oil temperature should reach 40-50°C, and the oil flow should be discharged with agitation, and the dirty oil should be drained as thoroughly as possible; when refueling, a tanker with a filter device should be used to add oil.
3. Use the correct transmission system oil, and the lubricating oil used in the gearbox must meet the specifications.
4. Refer to the filter replacement cycle provided in the maintenance manual and replace the filter in time.
5. All kinds of lubricating oils should be pure, and after a period of precipitation, they should meet the specified quality requirements.
Therefore, in the process of daily use, the failure prevention and daily maintenance of the gearbox can be strengthened, which can not only reduce the inefficiency and delay of work caused by downtime and maintenance, but also prevent and avoid the occurrence of larger subsequent failures. Maintenance costs.
Eligible models
MLT738 is the latest telescopic handler truck launched by our company. With its high-horsepower engine, MLT738 has surging power and strong passability. MLT738 can easily handle various tasks in agriculture. At the same time, we can provide a variety of auxiliary tools, such as large-capacity grain buckets, pitchforks, round bale clamps, etc. , one-stop solution to all customer problems.
WL08 is the best solution for working in narrow spaces and narrow passages. And with this machine and a large number of accessories related to road construction, agriculture, and horticulture, a considerable amount of work can be carried out.The entire vehicle is made of pure iron, which is particularly suitable for forest and outdoor forest operations such as wood grabbing.This machine has a small turning radius and fast driving speed, and can be deployed in buildings as well as on paved and unpaved sites.
WL10 is the best solution for working in narrow spaces and narrow passages. And with this machine and a large number of accessories related to road construction, agriculture, and horticulture, a considerable amount of work can be carried out.The entire vehicle is made of pure iron, which is particularly suitable for forest and outdoor forest operations such as wood grabbing.This machine has a small turning radius and fast driving speed, and can be deployed in buildings as well as on paved and unpaved sites.
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