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Guide to Common Maintenance Faults Analysis and Repair Techniques for Small Excavators

Guide to Common Maintenance Faults Analysis and Repair Techniques for Small Excavators

Welcome to use our diggers. In order to use them better, please pay attention to the instructions of use. The design of the excavators are based on the garden and mountain chassis and other components. The advantage is the spare parts are universal, easy to repair and maintenance. Please practice the excavator often and be familiar with it.

Precautions:

Before every use, check if the excavator lack of any spare parts, check the diesel amount, hydraulic oil level, engine situation. When using excavators, the novices often misoperate or overload operate, which is commonly known as pressure build-up. For short term, the protection valve can load-off the pressure, but for the long term, it will cause joints fatigue and loose or break sealing gasket and lead to oil leakage.

Therefore, at the beginning of the use, users need to check the looseness situation of every parts regularly, deal with it in time. There are common tools and sealing gaskets. Do not operate the handles too hard, and bad habits will affect the service life. Thanks for your cooperation.

As can be seen from the figure, 70% of the machine failure comes from FOWA poor management. So as long as you manage FOWA well, you can reduce the machine failure by 70%.


Although the operation and maintenance of the excavator is very simple, if you do not use and maintain the machine according to the correct operation and maintenance method, it will affect the operating performance of your machine badly, and even exacerbate the wear of the machine and shorten the repair cycle of the machine.

Tip: the second time maintainence of engine oil is 250h, and then 500h. The second time maintainence of hydraulic oil is 800 hours or three months, and then 1500 hours or half a year. Please always pay attention to observing the oil level and the change of oil levels.

Cleaning the air filter: Long time do not clean or replace the air filter will cause the engine piston wear, power weakness, engine oil burns and with blue smoke, which will affect the engine life.

If you are struggling with leasing or buying a mini excavator, please contact us