2024 Author: Beatrice Philips | [email protected]. Last modified: 2023-12-16 05:33
Responsible maintenance is the key to long tool life. One of the requirements in the work of a petrol cutter is the timely lubrication of the gearbox, as well as cleaning the filters. Every user of such a unit knows what composition to lubricate the gearbox with. First, it is cleaned in several stages, then the element is removed from the casing. It is cleaned with gasoline and dried. The place for the filter is prepared carefully, cleaning it from dust and old oil . The main signal for lubricating the brushcutter gearbox is extraneous noise and rapid heating of the equipment. This means that it is necessary to lubricate the spare part as soon as possible. The lubrication frequency is indicated in the instructions for the brushcutter. The experts say that the gearboxes should be serviced every 15 hours.
Lower and upper gear lubrication
There are tips that recommend lubrication at the end of the season. However, most people find it best to do this at the beginning of each season. When we repair a unit, as well as carry out any disassembly, it is necessary to use lubricants. The gearbox must be additionally lubricated when the old trimmer is inserted.
Modern trimmers are equipped with a gearbox that measures the angle of transmission of mechanical energy between two components: the shaft and the head . Bevel gears are considered common, they can easily withstand high speeds, are equipped with smooth engagement, as well as an increased level of bearing capacity. The housing includes a shaft, a gear wheel, which is pressed onto the driven shaft. In order to reduce friction, bearings are installed on the bearing points of the shaft.
Petrol trimmer grease
Correctly selected brushcutter care guarantees the durability and high-quality operation of the equipment. Manufacturers try to take into account all the nuances and prescribe what materials to use for maintenance. Usually, a specific type of lubricant is not specified, it is simply given generally known standards that lubricants must comply with.
The lubricant must be selected in such a way as to take into account temperature conditions, rotational speed, load dynamics and vibration . The main requirement is that this mixture remains in the zone of maximum friction.
Lubricants must have good anti-corrosion properties, reliably protecting the components from rust.
Based on the above information, it should be noted that manufacturers of petrol cutters are developing universal additional tools for their equipment. It can be served with general industrial compositions. The main condition is compliance with the operating conditions, namely, the presence of an anti-rust and lime agent in the composition, as well as a filler, which consists of a solid lubricant . Grease is poured into the gearbox through a special hole, the unit is not dismantled.
The replacement is done quickly enough
- First, turn off the device from the network. Devices running on gasoline must be drained of gasoline.
- If the lubricant changes completely, then be sure to flush the gearbox. To do this, first fill in the cleaner, then rinse the gearbox well, then drain. It is important to clean the entire case.
- Use the special tool that comes with the trimmer to unscrew the gearbox plug.
- We apply a new lubricant: insert a syringe with a tube into the hole and squeeze out the lubricant (2-5 ml).
- We turn the shaft manually, turn on the scythe at low speed without load. This is necessary in order for the lubricant to be efficiently distributed over the places subject to maximum friction.
Prevention and possible malfunctions of the gearbox
The brushcutter requires the first preventive maintenance immediately after purchase, because the manufacturer puts in a small amount of lubricant. If the trimmer does a small amount of work, then lubricate the device at the beginning and at the end of the season. If the brushcutter works a lot, then we lubricate it after 30-55 hours of operation.
If there is not enough lubricant, then it is completely changed. Manufacturers are trying to produce universal chemicals that are suitable for the processing of various hoses and assemblies.
The main malfunctions include the most common options
- Strong heat. This indicates that the lubrication has run out. It is necessary to add lubricants and run them in a low mode.
- Gearbox vibrates or wobbles. This situation indicates mechanical damage.
- There is a knock. Then the bearing collapsed, the boot was damaged.
- If the trimmer blade is jammed, then the mechanism should be changed completely.
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