today, Huai'an Crane Rental Company Introduce the daily maintenance method of crane. Let's have a look!

1、 Daily maintenance

The daily maintenance is carried out by the driver every day or every week.

1. Check the engine oil level, which should be within 5mm near the scale mark on the oil dipstick;

2. Check the cooling water in the water tank, which should be 10 mm below the water inlet;

3. Check that the fuel in the fuel tank is sufficient;

4. Check that the working oil volume in the hydraulic oil tank should be near the upper scale mark;

5. Check that the tire pressure meets the requirements;

6. Once a week: check the electrolyte in the battery, which should be 10-15mm higher than the electrode plate; Check and tidy the wire rope and lubricate the pulley pins; Lubricate the tooth surface of the rotary gear ring;

7. Blow the air filter element with compressed air, or replace it as appropriate;

8. Check whether the instrument, light, horn and other functions are normal;

9. Start the engine, check whether the engine runs smoothly, whether there is abnormal noise, and whether the working instruments indicate normally; When the engine is running, check the oil tank, water tank, air reservoir and their respective pipelines and joints for leakage; Check whether the transmission, brake and hydraulic control system work normally.

10. Clean the body, cab and glass after each shift. Remove the embedded objects on the tire. Drain the water in the settling cup of the oil-water separator.

2、 First level maintenance

The truck crane shall be maintained once every month. The first level maintenance includes the daily maintenance items carried out by the driver, as well as the following items carried out by the maintenance personnel:

1. Check whether the air inlet hose is damaged and the clamp is loose. Clean the air filter core, inner wall and sedimentation chamber;

2. Clean the fuel filter and replace the filter element as appropriate. Clean the engine air change filter element and oil filler cap filter element.

3. Check the engine oil volume, oil viscosity and contamination, and replace as appropriate;

4. Clean the battery and add distilled water if necessary;

5. Check the tightness and wear of the fan belt, and adjust or replace it as appropriate;

6. Check the transmission, transmission shaft, drive axle, working pump, water pump and other parts for noise;

7. Check the wear of tires and the fastening of tire bolts;

8. Check the wear of the piston rod of each oil cylinder. If there are slight scars, polish them with an oilstone or fine emery cloth;

9. Lubricate the joints between the clutch and each control lever; Lubricate the steering rod ball joint; Lubricating water pump; Lubricate the transmission shaft universal joint;

10. Lubricate the pins and sleeves of each oil cylinder;  

11. Eliminate oil leakage, water leakage, air leakage and electric leakage at all parts.

3、 Secondary maintenance

The truck crane shall be maintained once every three months. The second level maintenance is carried out by maintenance personnel, and the main contents are:

1. Complete all items of the first level maintenance;

2. Replace engine oil and filter element;

3. Check and adjust the fuel injection nozzle or clean the carburetor;

4. Check and adjust the valve clearance;

5. Replace the hydraulic oil and oil return filter element, clean the hydraulic oil tank and oil inlet filter screen every six months;

6. Replace the gear oil of the transmission, drive axle and drive wheel every year; Replace the lubricating grease of each wheel valley bearing;

7. Check the connection between steering knuckle and kingpin; Check the free travel of the steering wheel and the looseness of the steering rod;

8. Check the leakage of the brake system, check the wear of the brake valley and friction plate, and repair as appropriate;

9. Check whether the boom is deformed and cracked, whether the connecting pins and sleeves are worn, and lubricate the telescopic sleeves of the boom and legs;

10. Check the leakage of the hydraulic system and pipeline, and replace the oil seal, oil pipe, gasket, repair kit, etc. as appropriate;

11. Thoroughly clean the vehicle, and check and tighten all bolts and nuts;

12. Carefully diagnose and eliminate the problems found during maintenance and other items reported by the driver.

The above is Huai'an Crane Leasing Company I hope the relevant information I have brought to you will be helpful. For more information, please follow the company website!