A comprehensive summary of excavator maintenance items

The fuel filter and additional fuel filter of the new excavator should be replaced after it has been in operation for 250 hours. Check the clearance of the engine valves of the excavator.

Check, clean or replace the air filter element; Clean the interior of the cooling system; Check and tighten the track plate bolts; Check and adjust the reverse tension of the tracks; Check the air intake heater of the excavator; Replace the bucket teeth; Adjust the bucket of the excavator.

Gap; Check the liquid level of the front window washer fluid; Check and adjust the air conditioning of the excavator; Clean the floor in the driver's cabin; Replace the filter element of the crusher (optional accessory). When cleaning the interior of the cooling system, after the engine has cooled down fully, loosen it slowly.

The water filling port cover is used to release the internal pressure of the water tank before water can be released. Do not carry out cleaning work when the engine is running. The high-speed rotating fan can cause danger. When cleaning or replacing the coolant, the machine should be parked on a level surface.

Inspection items before starting the engine

Check the height of the coolant level of the excavator (add water); Check the oil level of the excavator's engine and add engine oil. Check the fuel level of the excavator (add fuel); Check the oil level of v hydraulic oil (add hydraulic oil); Check whether the air filter element is clogged. Check the wires; Check if the horn is functioning properly; Check the lubrication of the bucket; Check the water and sediment in the oil-water separator.

Every 100 maintenance items

The pin shaft of the cylinder head of the excavator motorized boom cylinder; Arm foot pin The end of the boom cylinder arm; Cylinder head pin shaft of bucket rod cylinder Boom and boom connecting pins; The end of the cylinder rod of the bucket rod cylinder; Bucket cylinder head pin shaft Half-rod connecting pin Bucket shaft, bucket.

Cylinder rod end; Bucket cylinder head pin shaft Bucket rod connecting pin Check the oil level in the slewing mechanism box (add engine oil); Drain water and sediment from the fuel tank.

Maintenance items every 250 hours

Check the oil level in the final transmission box of the excavator (add gear oil); Check the electrolyte of the battery; Replace the oil in the engine oil pan and the engine filter element. Lubricate the slewing bearings (2 points); Check the tension of the fan belt.

Check the tightness and the tension of the air conditioning compressor belt, and make adjustments.

Maintenance items every 500 hours

Replace the fuel filter element of the excavator; Check the height of the grease on the rotating pinion (add grease); Inspect and clean the radiator fins, oil cooler fins and condenser fins of the excavator. Replace the hydraulic oil filter element.

Replace the oil in the final transmission box (only for the first time at 500 hours, and once every 1000 hours thereafter); Clean the air filter elements inside and outside the air conditioning system of the excavator. Replace the filter element of the hydraulic oil vent port.

Maintenance items every 1,000 hours

Replace the oil in the slewing mechanism box of the excavator; Check the oil level of the shock absorber housing (return oil); Check all the fasteners of the turbocharger; Check the clearance of the turbocharger rotor; Inspection of the tension of the generator belt.

Maintenance items every 2,000 hours

Clean the filter screen of the hydraulic oil tank; Clean and inspect the turbocharger; Check the generator and the starter motor; Check the engine valve clearance (and adjust it); Check the shock absorbers.

Maintenance after 4000 hours

Increase the inspection of the water pump every 4,000 hours. Add the item of changing the hydraulic oil every 5,000 hours.

When the machine is stored for a long time, to prevent the piston rod of the hydraulic cylinder from rusting, the working device should be placed on the ground. After cleaning and drying the entire machine, store it in a dry indoor environment.