The following is a brief talk about the abnormal noise of the lawn mower gearbox and the precautions for oil change

What is the reason for the abnormal noise in the gearbox of the lawn mower?

The lawn mower is a mechanical tool for repairing the lawn. Since most lawn mowers are driven by the engine, they have high working efficiency in actual work. The lawn mower gearbox is a key component in the entire operation process. Where failures occur, abnormal gearbox noise is a common problem. The following editor will introduce the common causes of this problem and the corresponding solutions.

Situation: This problem is mainly reflected in the test bench of the assembly plant of the whole machine manufacturer. This abnormal noise has the characteristics of stable noise frequency, abnormal noise in one direction, and no abnormal noise in reverse rotation. The specific location of the abnormal noise can be calculated by calculating the relationship between the speed of the low-speed shaft and the frequency of the abnormal noise.

Reason: There are bumps in the assembly process. Due to the company's defects in testing quality control, some gearboxes may have such problems.

Treatment method: according to the analysis results, carefully find the relevant gear tooth surface scratches, and wipe the tooth surface oil, to avoid affecting the feel, bulge mainly exists on both sides of the tooth top and tooth profile.

What problems should be paid attention to when changing the oil in the gearbox of the lawn mower?

The lawn mower gearbox is a key component in the working process of the lawn mower and the power source for the operation of the lawn mower. Because the current lawn mower is generally driven by oil, it is necessary to change the oil regularly to ensure the working condition of the lawn mower. Stable and longer service life, the following editor will introduce the issues that need to be paid attention to when replacing the gearbox oil in the lawn mower gearbox.

The oil should be changed after the lawn mower has been running for 5 hours. The oil should be changed every 30-50 hours. The standard oil change is 50w in summer and 5-30w in winter. To change the oil, please immediately clean it after the engine is stopped and the ignition wire of the spark plug is removed. Oil, restore it, and add appropriate oil to the specified scale.

Oil change process: During oil change, after the engine is stopped, remove the spark plug and ignition wire, drain the oil in the oil pan drain hole at the lower part of the cutter head, or open the oil filler, and tilt the tank to the left to drain the oil (air filter It must be on the upper part), clean the oil, restore the oil, add appropriate engine oil again, and add it to the specified scale. The oil change cycle is usually replaced every 5 to 8 months. Note: the discharged waste engine oil shall be kept properly and shall not pollute the environment.

The lawn mower gear manufacturer explained to you here. Thank you for watching. If you need lawn mower gears, you can contact our company. Okay, I wish you a happy life and let us see you next time.