I. Engine Maintenance

(I) Daily Inspection

1. Before each use, check the engine oil level. Ensure that the oil amount is within the appropriate range marked on the dipstick. If you find the oil is insufficient, add engine oil that meets the engine’s specifications in a timely manner.
2. Inspect the exterior of the engine to see if there are any oil stains or leakage, especially around the oil pipes and oil seals. If you find oil stains, conduct further inspection to identify the leakage point and repair it promptly.
3. Check the air filter. If the filter is too dirty, it will affect the engine’s air intake volume and reduce the combustion efficiency. If you find a large amount of dust and debris on the surface of the filter, clean or replace it in a timely manner.

(II) Regular Maintenance

1. First of all, replace the engine oil and oil filter according to the engine’s operating hours or the cycle recommended by the manufacturer. Moreover, the new oil should have good lubricating and cleaning properties to ensure the normal operation of the internal parts of the engine.
2. Regularly check the spark plugs to examine the wear and carbon deposition on the electrodes. If there is severe wear or excessive carbon deposition, the spark plugs should be replaced promptly to ensure normal engine ignition.
3. Check the engine’s cooling system, including the coolant level and the cleanliness of the radiator. Keep the coolant at an appropriate level and regularly clean the surface of the radiator to prevent the engine from overheating.

II. Blade Maintenance

(I) Daily Inspection

1. After each use, check the wear of the blades. Examine the blade edges to see if there are any notches, curling, or excessive wear. If you find such problems, replace the blades promptly to avoid affecting the mowing effect and increasing the engine’s load.
2. Check the tightness of the blade installation and ensure that you tighten the blade fixing bolts to prevent the blades from loosening or even flying out during the mowing process, because this could cause safety accidents.

(II) Regular Maintenance

1. Depending on the degree of blade wear and the frequency of use, regularly sharpen or replace the blades. When sharpening the blades, professional sharpening tools should be used to maintain the sharpness and correct angle of the blades.
2. When the lawn mower will not be used for a long time, clean and apply anti-rust treatment to the blades. Wipe the blade surface with a clean cloth and then apply an appropriate amount of anti-rrust oil.

III. Track Maintenance

(I) Daily Inspection

1. Before each use, check the tension of the tracks. If the tracks are too loose, the lawn mower will be unstable when walking and may even derail; if they are too tight, it will increase the wear on the drive wheels and guide wheels. Adjust the tensioning device to maintain the appropriate tension of the tracks.
2. Check the surface of the tracks for foreign objects such as stones and branches. If there are any foreign objects, remove them promptly to avoid damaging the tracks.
3. Examine the wear of the tracks, especially the track teeth and track plates. If severe wear or cracks are found, consider replacing the tracks.

(II) Regular Maintenance

1. Regularly clean the debris and dust inside the tracks. You can use compressed air or a brush for cleaning. At the same time, check the lubrication of the tracks and add an appropriate amount of grease as needed to reduce the friction between the tracks and other components.
2. Check the tracks comprehensively at regular intervals (such as once a quarter or depending on the usage), including the connection parts of the tracks and the tensioning device, to ensure that the tracks are in good working condition.

IV. Motor Maintenance

(I) Daily Inspection

1. Inspect the appearance of the motor to see if there are any signs of damage or overheating, such as discoloration of the motor housing or a burnt smell. If any abnormality is found, stop using the motor immediately and check the cause of the malfunction.
2. Check whether the motor wiring is firm, and whether there are any loose or oxidized phenomena. Loose wiring may lead to unstable operation or failure to start the motor, and oxidized wiring will increase the resistance and affect the motor performance.

(II) Regular Maintenance

1. Depending on the usage of the motor, regularly clean the dust and debris on the surface of the motor. You can use a blower or a soft brush for cleaning to maintain good heat dissipation of the motor and prevent it from overheating due to poor heat dissipation.
2. Regularly check the insulation performance of the motor. You can use an insulation resistance meter for detection. If the insulation resistance is found to decrease, find the cause and deal with it promptly, such as replacing the insulating material.

V. Support Hydraulic Push Rod Maintenance

(I) Daily Inspection

1. Inspect the appearance of the hydraulic push rod to see if there are any oil stains or leakage. If you find oil stains, determine the leakage location. Maybe the seals are damaged and you need to replace them promptly.
2. Check whether the extension and retraction of the hydraulic push rod are smooth and whether there is any jamming phenomenon. If there is jamming, check whether there are foreign objects or damaged parts inside the push rod.

(II) Regular Maintenance

1. Regularly replace the hydraulic oil of the hydraulic push rod. Select the appropriate hydraulic oil model and replacement cycle according to the requirements of the user manual. The new hydraulic oil should be clean and free of impurities.
2. Check the wear of components such as the piston and seals of the hydraulic push rod. If there is excessive wear, replace them promptly to ensure the normal working pressure and telescopic function of the hydraulic push rod.

VI. Battery Maintenance

(I) Daily Inspection

1. Check the appearance of the battery for swelling or leakage. If you find any abnormality in the battery’s appearance, stop using it immediately to avoid danger.
2. First of all, check whether the connection lines of the battery are firm. In addition, this can ensure good electrical connection between the battery and the lawn mower.

(II) Regular Maintenance

1. Charge the battery regularly according to the type of battery and the recommendations in the user manual. Avoid over-discharging or overcharging the battery, as this will affect its lifespan. When the lawn mower will not be used for a long time, fully charge the battery before storage and conduct supplementary charging regularly.
2. Regularly clean the surface of the battery. You can gently wipe it with a damp cloth, but be careful to avoid water entering the battery. At the same time, check the electrolyte level (for lead-acid batteries) and add distilled water if necessary.

VII. Gear Maintenance

(I) Daily Inspection

1. Firstly, carefully inspect the appearance of the gears to see if there are any signs of wear, spalling on the tooth surfaces, or cracks. Then, if you find any abnormality, replace the gears promptly. By doing so, you can avoid affecting the normal operation of the transmission system.
2. Check the lubrication of the gears to see if there is enough lubricating oil. If the lubricating oil is insufficient, add it in a timely manner.

(II) Regular Maintenance

1. Regularly clean the oil stains and impurities on the gear surfaces. You can use a cleaner and a brush for cleaning. Then, reapply an appropriate amount of special gear lubricating oil to ensure that the gears work in a good lubrication environment.
2. Depending on the usage of the gears, regularly check the tightness of the gear installation and ensure that you tighten the gear fixing bolts to prevent the gears from loosening and generating abnormal noise and wear.

VIII. Overall Daily Cleaning, Maintenance and Post-use Preparation Plan for the Entire Machine

(I) Overall Cleaning

1. After use, turn off the power of the lawn mower. After the machine has completely stopped running, use a soft brush or a blower to remove dust, grass clippings and other debris from the surface of the lawn mower. For stubborn dirt, you can gently wipe it with a damp cloth, but avoid water entering key components such as the motor and engine.
2. Clean the debris at the bottom of the lawn mower, especially the grass clippings and mud around the mowing blade disc, to prevent accumulation from affecting the next use of the lawn mower.

(II) Inspection of the Overall Machine Condition

1. Check all parts of the lawn mower, including the engine, blades, tracks, motor, support hydraulic push rod, battery, and gears, to see if there are any looseness, damage or abnormality. If you find any problems, repair or replace them in a timely manner.
2. Check the battery level and signal status of the remote control to ensure that the remote control can normally control the lawn mower. At the same time, check whether the buttons on the remote control are sensitive. If there are problems, replace the batteries of the remote control or repair the remote control in a timely manner.

(III) Storage Preparation

1. Store the lawn mower in a dry and well – ventilated place, and avoid direct sunlight and a humid environment. If you store it for a long time (such as in winter), apply an appropriate amount of anti – rust oil to the surfaces of key components like blades and tracks.
2. Fully charge the battery (for rechargeable batteries) of the remote control lawn mower, disconnect the battery from the lawn mower, and store the battery separately to extend its lifespan. At the same time, remove the batteries from the remote control to prevent battery leakage from damaging the remote control.
3. For tracked lawn mowers, appropriately loosen the tension of the tracks during storage to reduce the deformation of the tracks under long-term tension.

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