Ultra-small tailless excavator fluid maintenance knowledge

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1. Grease

(1) Grease is used to prevent deformation and noise at the joints.

(2) After long-term use, any part may seem insensitive or noisy, and grease should be added.

(3) Wipe off the old grease that was squeezed when filling the grease.

(4) Be careful to remove the old grease. Dust will stick to the grease and cause wear of the rotating parts.

Ultra-small excavator fluid maintenance knowledge

2. Lubricating oil

(1) When selecting oil, it should comply with the grade and temperature in the small excavator operating instructions. Even if there is no dirt within the specified time, the oil should be changed.

(2) Be careful to prevent some impurities and dust from entering the lubricant. Most problems with the machine are caused by the intrusion of impurities.

(3) Add oil according to the prescribed amount of oil. Small excavators have some obvious abnormal problems. Too much oil or too little oil will cause malfunctions.

(4) Do not mix lubricants of different grades or levels.

(5) When replacing the engine oil, it is necessary to replace the relevant filter element, especially when replacing the engine oil core. Before installation, the small excavator adds fresh, clean and warm oil to the new filter element.

III. Fuel

(1) When storing or adding fuel, special care should be taken not to let impurities enter.

(2) When selecting oil, it is necessary to select the specified fuel according to the environment and temperature and select the truly suitable oil.

(3) To prevent moisture in the air from condensing and forming water in the fuel tank, the water tank should be filled after daily operation.

Ultra-small excavator fluid maintenance knowledge

(4) Before starting the engine or 10 minutes after adding fuel, the sediment and water are discharged from the container.

(5) If the engine fuel is exhausted or the filter element is replaced, it is necessary to eliminate the air in the oil circuit.

IV. Coolant

(1) It is necessary to use antifreeze in any weather conditions.

(2) Check the coolant level according to the regulations and add oil when it is insufficient. Insufficient coolant will cause the engine to overheat.

(3) Prepare coolant and antifreeze with appropriate mixing ratio according to the environment and temperature.

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