How much lubricant is needed in the trimmer gear
Choosing a lubricant for an angle grinder or the better to lubricate the gearbox
Angle grinders (angle grinder), popularly called angle grinders, are widespread among lovers of tinkering. With their help, the home craftsman can not only perform grinding work, but also cut metal, plastic, stone. Angle grinders are produced by various manufacturers, including domestic.
The angle grinder is a reliable tool that can work, with proper operation and timely replacement of lubricants and carbon brushes, for a long time.
Correctly selected angle grinder lubricant not only extends tool life, but also improves performance.
Knowing the rules for choosing a lubricant for an angle grinder or making it with your own hands, you can perform maintenance without contacting service.
Lubricants recommended by foreign tool manufacturers
Foreign tool manufacturers, including the angle grinder, recommend specially formulated ointments as lubricants for the angle grinder.
One of the most widespread foreign lubricants is a grease marked MoS2 NLGI 2 ISOL-XBCHB 2 DIN 51825-KPF 2 K-20.
- MoS2. indicates the filler material, in this case molybdenum;
- NLGI2. indicates the second viscosity grade;
- ISOL-XBCHB 2. belonging to ISO standards;
- DIN 51825-KPF 2 K-20. the grease is made according to German DIN standards;
- The numbers 51825 mean that the grease is type K.
Lubricants produced with such characteristics are quite expensive. There are imported, less expensive lubricants on the Russian market.
Each tool manufacturer, be it Bosch, Makita, Hitachi, DeWalt, Metabo, RedVerg, Interskol, E256, LEPSE, recommends its own lubricants. This is the manufacturer’s policy. They insist that when performing maintenance, the lubricants specified in the instructions are used. over, non-observance of these recommendations does not allow performing warranty repairs.
Gearbox grease for the Makita angle grinder is available in tubes. Its high cost is commensurate with the high quality and long service life.
Correct grease filling process in angle grinders
Packing grease into the units of an angle grinder has its own rules. You need to know not only the order of its application, but also how much, and where to lay it.
Lubricants of domestic manufacturers for bearings and gearboxes angle grinder
With the rise in for foreign lubricants, the lubricants of domestic manufacturers are especially in demand.
Russian lubricant manufacturers have learned to produce high-quality lubricants suitable for any tool.
Lubricants have been developed for gearboxes of grinders, perforators, drills.
The most popular products are Nanotech Metal Plak Electra. The range of lubricants produced by this company allows you to select the lubricant required for each unit
How to properly remove old grease in an angle grinder
Old grease is always removed completely, regardless of its color. There should be no traces of old grease on the parts, and there should be particles of destroyed parts in the cavities of the body.
To remove old grease, you can use various flushing fluids used by motorists to wash the engine and its parts. At home, it is recommended to use kerosene or a solution of kerosene and gasoline.
All parts and their cavities must be thoroughly washed and dried.
Do-it-yourself angle grinder grease for gearbox
Although the listed lubricants of domestic production are affordable, they are not always at hand.
Is it possible to make a lubricant for the gearbox of an angle grinder with your own hands?
And there is an affirmative answer to this question.
Since the main technical characteristics of lubricants for gearboxes of an angle grinder are presented above, they can be taken as the basis for drawing up a lubricant of the desired characteristics with your own hands.
Homemade gear grease should be based on a highly adhesive grease. It must adhere firmly to the touching parts.
Grease for CV joints has increased adhesion. SHRUS is a joint in a front-wheel drive vehicle that works in conditions of increased dirtiness, shock loads, temperature fluctuations and humidity.
Taking grease for CV joints as a basis, it is necessary to add liquid grease (MS-20) to give the mass the desired consistency. Oil MC-20 must be served dropwise, thoroughly kneading the mass using a homemade mixer.
Good results are obtained by a mixture of a mixture of Tsiatim-221 and TAD-17 lubricants, where Tsiatim is the basis.
Gearbox grease angle grinder
The grease for the gearbox of the angle grinder differs from the grease for the bearings in the main feature. increased adhesion. It should firmly adhere to the gearbox teeth when it rotates a lot.
In general, the lubrication process of the gearbox in angle grinders occurs due to the fine spray of the lubricant and its suspensions. The gearbox operates as if in oil mist. Therefore, the lubrication requirements for gearboxes are slightly different.
In addition to increased adhesion, gear lubricants must be highly heat resistant and not melt at elevated temperatures.
Action Fill the syringe with oil
Grease tube diameter does not match gearbox diameter
To mix the grease into the gearbox without any problems, you must use a syringe.
The plunger is removed from the syringe
First, the plunger is removed from the syringe.
A syringe is filled with lubricant from a tube.
Then the syringe is filled with grease from the tube.
The plunger is reinserted into the syringe
Then the plunger is reinserted into the syringe. The syringe is ready to fill the gearbox with grease.
How to Lubricate the Trimmer Gearbox or Lawn Mowers (Easiest Way)
Required tools and materials
The following tools and materials are required to maintain the gearbox:
Allen wrench to open gear lubrication hole
Usually, such a key comes with a lawn mower or trimmer.
Medical syringe, 10 ml
The next tool is an ordinary 10 ml medical syringe. It is with the help of a syringe that the grease enters the gearbox.
In addition, you need the lubricant itself.
It is recommended to use a proprietary lubricant from the lawn mower manufacturer. As a last resort, you can use any lubricant to lubricate rotating mechanisms, for example, Litol 24.
Gearbox maintenance intervals
It is recommended to lubricate the gearbox in two cases:
- when buying it
- before the start of each season
Action Sealing the gearbox
Tightening the gearbox bolt
After the gearbox is filled with grease, tighten the gearbox bolt and clamp it well.
Action Open the gearbox
Loosening the gearbox bolt
In order to gain access to the gearbox, it must be opened. This is quite simple to do. you need to unscrew the gear bolt with a hex wrench. This bolt for all lawn mowers is located in the same place. directly next to the working body.
Open gearbox view
How to Lubricate Trimmer Gear or Lawn Mowers: Taking Care of Your Garden Tools | (Photo Video)
Many trimmer users do not pay much attention to the maintenance of their tools. In particular, this applies to a lawn mower unit such as a gearbox. The operation of the gearbox is associated with heating.
During long-term operation of lawn mowers, regular overheating of the gearbox occurs, which leads to its breakdown. A breakdown of the gearbox leads to the fact that the tool is unusable and needs to be repaired.
Repairing the gearbox is an expensive undertaking, therefore it is recommended not to bring the tool to such a state. The main reason for overheating of the gearbox and its failure is the lack of lubrication in it.
The article describes how to properly lubricate the trimmer gearbox to avoid damage.
Action Filling the gearbox with grease
The syringe is inserted into the hole of the gearbox
First, the syringe is inserted into the hole of the reducer.
Squeeze a little grease into the gearbox and turn it about a quarter of a turn
Then you need to squeeze a little grease into the gearbox and turn it about a quarter of a turn.
When all the grease has been squeezed out, the process can be considered complete.
The grease is filled in small portions. After each lubricant supply, the gearbox turns 1/3. 1/4 of a turn. It is advisable to select the amount of lubricant at each refueling so that the gearbox makes a full revolution during lubrication.
Types of gearboxes
The reduction gear operates on one or more gear drives rotating at high speed. The mechanism is called a demultiplier, which converts the angular speed of rotation of the output shaft into its reduced speed.
Depending on the type of gear, there are several types of gearboxes:
- Cylindrical with toothed cylinders;
- Planetary. the shafts are located coaxially;
- Worm gear. transmission through an active screw;
- Conical. the shafts are crossed;
The efficient operation of the unit is possible only at optimal temperature conditions. Even with slight distortions or overheating, structural parts can fail. Competent care is ensured by gear lubricant for the trimmer.
Trimmer gearbox. a module responsible for the torque in the unit. A petrol lawn mower can handle a lot of work. But she needs careful care, including high-quality and timely lubrication of the gearbox.
Lubricating the gears of a STIHL petrol hedge trimmer
How to properly lubricate?
Lubricating the trimmer gear is easy with simple tips. There is a special hole on the top of the case, which is plugged with a screw. It needs to be unscrewed and about two milliliters of lubricant should be introduced into the hole through the spout on the tube. If the packaging is large, you can use a disposable medical syringe. After the screw is screwed back.
Gearbox lubrication BRUSH CUTTER / how much? how often? how to lubricate?
The procedure is recommended to be repeated every 12 hours of operation of the lawn mowers. Also, the lubricant is updated or replaced during routine maintenance (the gears of the gearbox are cleaned and washed before the summer), repairing the device, preparing the spit for storage for the winter.
When the gearbox is disassembled, all elements must be cleaned of old grease, even if there are no traces of oxidation and dirt. After applying new lubricant, the shaft is manually checked to ensure that the lubricant is evenly distributed throughout the gearbox.
What is the suitable lubricant for the trimmer gear?
During operation, the teeth are under constant load. Lubrication for lawn mowers gearbox is selected for the individual parameters of the unit used.
Factors to watch out for:
- Brand. Most brands offer their own lubricants or recommend suitable lubricant mixtures;
- Viscosity. There are three main groups. high-viscosity, plastic compounds for universal use and hard compounds that soften during operation.
- Lubricant consumption. Users often rely on personal experience and expert advice on the gear unit’s operating life between greases. Temperature conditions are also important. Optimal operating mode at 40 ° С.
The gearbox can operate on a lubricant with the following components:
- Lead-free antiwear additives;
- Graphite or molybdenum disulfide in solid lubricants;
- On mineral (inorganic) oils, which are distinguished by a high degree of purification.
The list of products that are optimal in all respects includes numerous lithium greases of foreign domestic production. Do not exclude brands recommended by the lawn mower manufacturer.
What details need to be paid more attention?
- Flywheel. Often it is covered with grass residues that create some resistance when working;
- Starter coil dog. When the drive is started, it touches the grooves on the flywheel, provoking mechanical wear, as well as mechanochemical corrosion due to the contact of different materials (aluminum flywheel, steel dog);
- Bearings. The sealed walls can wear out and grease residues begin to protrude. Under load, the device begins to vibrate intensively. This is a problem of Chinese trimmers, therefore, it is often necessary to replace the native bearing assembly with a better one.
With timely and high-quality lubrication of the lawn mowers gearbox, the unit will last a long time, providing high productivity and excellent quality of work. It is important to build on the recommendations from the user manual and expert advice.
Used types of grease
When choosing a lubricant, you must consider the following factors:
- the degree of adhesion of the composition to the metal of the assembly;
- product brand;
- lubricant consumption by the transmission mechanism.
Well-known manufacturers, for example, Stihl, Husqvarna and others, in addition to trimmers, also produce lubricants for them. These products not only reduce wear, but also protect the gear metal from corrosion. Therefore, for lawn mowers from these brands, it is better to use their own lubricant products.
If the compound used for lubrication has good adhesion, then it is practically not squeezed out of the gearbox through the gaps.
Different models have different grease consumption. This is largely due to the intensity of use of the lawn mowers and the heating of the transmission. It is considered that the lubricant is sufficient if the temperature of the reducer during operation does not exceed 40 ° C.
By consistency, trimmer lubricants can be:
In terms of composition, the following types of lubricants are in demand:
- graphite, significantly reducing friction, as a result of which the rotation of the gears improves;
- lithium, which is also an excellent anti-corrosion composition, saturated with additives that increase the wear resistance of the metal without harmful substances;
- universal components containing highly refined mineral oils and improving performance characteristics.
Examples of suitable lubricants are: Champion EP-0, Gear Grease OREGON, Oleo-Mas, Azmol 158, Litol. 24. You should also pay attention to the advice of manufacturers on this issue and use the materials they offer. You can buy them at specialized retail outlets.
Champion EP-0 universal grease 120 gr
Repair and lubrication of the trimmer gear
With frequent, intensive use of lawn mowers, the gearbox may start to warm up or make sounds unusual for its normal operation, such as grinding sounds. This indicates that the mechanism needs to be lubricated. If this is not done in time, then more serious problems will arise (for example, gears will quickly wear out and need to be replaced), up to jamming. Other breakdowns also occur with the transmission. Repair and lubrication of the gearbox can be done independently. for this you just need to familiarize yourself with the features of these works and stock up on some of the available tools.
Trimmer reducer device
A trimmer gear is a unit that transmits the rotational motion of the motor shaft to a knife or line. It is located at the lower end of the lawn mower bar. The transfer unit is also designed to reduce the trimmer engine speed.
The mechanism consists, depending on the model of the lawn mower, of several gears rotating at high speed. As a result, they heat up due to strong friction. If there is not enough lubricant, or there is none at all, then the process leads to severe overheating and failure of parts, and, accordingly, the need to carry out complex repairs. To prevent this from happening, the transmission unit should be lubricated in time. The disassembled gearbox is shown in the photo below.
Gearboxes of modern trimmers of different models from different manufacturers differ from each other in design and seat size. It happens:
- in the form of an asterisk;
The most common round seat diameters are 24, 25.5 and 26 mm.
lawn mowers are equipped with gearboxes with different types of gears:
The drive shaft and gearbox are heavily loaded trimmer assemblies that are subject to significant wear. Between them, the movement is transmitted due to the engagement of the teeth of the gears located at different angles to each other. The gear train works effectively only if there is no mechanical damage. In this case, the mechanism should not overheat, otherwise it may jam.
Algorithm for self-lubrication of the gearbox
For lubrication of the transmission mechanism, its preliminary disassembly is not necessary. A special hole for these purposes is already embedded in the device (it is shown in the photo below). In addition to gears, when carrying out lubrication, attention should be paid to the following elements of the mechanism:
- bearing unit;
- flywheel and starter coil pawl.
Grease injection hole
Fill in oil or add solid lubricant through a grease nipple closed with a screw. In this case, the actions are performed in the following sequence:
- clean the gearbox housing from dirt and adhered grass, especially carefully the area around the plug so that debris does not get inside the mechanism;
- using the appropriate tool (often it comes with a trimmer), unscrew the plug;
- into the open technological hole, the selected lubricant is injected from a tube, or using a syringe, as shown in the photo below;
- screw the plug into place.
When applying lubricant, you need to rotate the knife so that it is evenly distributed over the teeth of the moving gears.
If for any reason the gearbox needs to be disassembled, then the old lubricant must be completely removed from the entire surface of the gears and the housing, the shaft, and only then use a new one. The disassembled mechanism can be conveniently lubricated with solid compounds.
The whole gear lubrication process is demonstrated in the video:
Lubrication of the transfer unit is required at least once a year, but it is recommended to do this every 20 hours of intensive use of the lawn mower. If the first signs of malfunctions with the mechanism appear, then the lubricant must be added as soon as possible.
Trimmer Gear Lubrication
Gears must be lubricated regularly in accordance with the recommendations set out in the operating instructions for the model used. This should also be done if:
- new gears were installed;
- atypical sounds emanate from the gearbox during trimmer operation;
- knives turn hard.
In addition to the gearbox, the trimmer shaft must also be lubricated regularly. This is the norm for proper care of the device.
With continuous use of the trimmer, the transmission is subjected to stress from grass adhering to the blades, dirt, or due to changes in torque. The lubricant must be selected of high quality in order to extend the life of the gearbox.
Main gearbox malfunctions and ways to eliminate them
Various breakdowns occur with the gearbox of an electric or gasoline trimmer. The most common of them are presented in the table below. There you can also find the causes of their occurrence and methods of elimination.
|Gearbox malfunction||Possible causes of breakdown||Remedy|
|the transfer unit is very hot||the use of an unsuitable (low-quality) lubricant or its absence||you need to replace or add lubricant|
|the gears are new and not worn down||for running-in, run for a short time without heavy loads with regular stops so that the mechanism has time to cool down|
|jamming of the shaft during rotation, the appearance of backlash and knocking||destruction or significant wear of any of the bearings||replace the failed bearing with a new one|
|the transmission mechanism flies off the mower bar or staggers||damage to its hull||it is necessary to replace the part|
|in some cases, with minor damage with a clamp made of metal, the place is pulled together with a break|
|not fixed to the pipe||docking point wear||you can make an insulating tape rewind at the attachment point or change the bar|
|the output shaft with the knife does not rotate or stops in the event of an increase in the load||wear of teeth on gears or one of them||replacement of the interacting pair of worn parts is required|
Bearings are destroyed due to the use of inappropriate lubricant or due to lack of it. Also, their damage is caused by harsh operating conditions of lawn mowers and the ingress of foreign particles of material (for example, broken metal teeth of mechanical transmissions) due to the fact that the integrity of the anthers is broken.
To remove the bearing, you need to disassemble the gearbox and use a special puller. If not, then you can try to do it with a hammer with a guide. In this case, work should be done carefully so as not to damage the seat. It is not recommended to use the preheating method to shoot the bearing. This is due to the fact that the metal can lose the required performance.
If the knife stops rotating under load or does not stop at all, then this is accompanied by an uncharacteristic sound.
Most gearbox problems can be easily fixed by hand. Replaceable parts are recommended to purchase “native”, intended for the model of lawn mowers.
How to replace the trimmer gear: the algorithm of actions
To replace the gearbox with a similar part from the same manufacturer, it must first be disassembled and removed from the rod. In this case, they act according to the following algorithm:
- loosen the tie bolts located under the transmission;
- using round nose pliers, remove two corkscrew rings;
- using a puller, pull the bearings from the driven and drive shafts;
- then the mechanism is assembled, in the reverse order, installing all the parts.
Disassembled transmission mechanism is shown in the photo below.
If the puller is not at hand, then you can try to gently knock down the bearings. When they are stuck and do not budge at all, you can heat them with an industrial hair dryer (at a temperature of 600 ° C) and remove.
Assembling the transfer assembly is easier than disassembling it. You may only need to tap lightly with a hammer to set the parts in place. After assembly, it is imperative to check that the driven shaft can be rotated by hand.
When there is a need to replace the transfer unit with a non-original part, then their interchangeability should be taken into account. It should be borne in mind:
- rod diameter (this parameter is often 25.4 or 26 mm);
- parameters of the drive shaft. the shape of the docking place and the diameter (its common value is 8 mm);
- protection fixing option.
If the considered parameters match, then it will be possible to install a part from other models.
Timely lubrication of the gearbox will ensure its long-term operation without repairs. In addition, modern materials protect the metal well from corrosion and increase its wear resistance. When choosing, preference should be given to the lubricant recommended by the manufacturer of the trimmer being operated. If it is not possible to acquire such compositions, then the considered or other analogs suitable in terms of properties should be used. When it is necessary to disassemble the mechanism during repairs, this should be done carefully so as not to damage individual parts.
What kind of lubricant should be in the trimmer gear
Many people use Litol for this purpose, its only advantage is the low price and many people change the lubricant in the trimmer gearbox to Litol. At the same time, this grease is thicker and more viscous than that of specialized greases; it does not have special additives in its composition. Therefore, you need to constantly monitor the level of lubricant in the gearbox, add it every 20 hours. In addition, Litol cannot be used on aluminum parts. Therefore, both its performance and its service life will depend on what kind of lubricant will be in the trimmer gearbox.
As already mentioned, it is very good if, when buying a mower, you immediately purchase lubricant from the same company as the mower.
Special grease from Oleo-Mac for gearboxes
In addition to the fact that special lubricants have the thickness and viscosity necessary for such parts, it must be remembered that children can play on the lawn, adults can relax and the waste from grease that is not suitable for this purpose is unnecessary.
Trimmer Gear Lubricant
Trimmer device and main differences in models
If you take apart any gasoline mower, you can make sure that it is made in almost the same way, with the exception of additional options and design.
The structure of the gasoline trimmer
In detail, this is the following.
If it is an electric tool, it has a slight difference:
Electric trimmer, example of a complete set. 1. gasoline engine; 2. container for fuel; 3. starter handle; 4. bar, can be disassembled, telescopic, one-piece; 5. the handle, which is controlled during operation, can have a different shape; 6. buttons for trimmer control; 7. the buttons are connected to the engine via a small cable; 8 is a gearbox that needs constant maintenance and the addition of special oil. It transfers rotation from the motor to the shaft on which the spindle is mounted; 9. cutting tool, which is attached to the spindle, which, in turn, consists of a spool of fishing line, which is used to cut grass, or a special knife; 10. a casing to protect the worker from flying pieces of stems.
As you can see from the photo, its difference is that there are not so many control buttons, there is one. either turn it on or off, the engine can be located either below, near the cutting tool. In this case, it is easier to work with such a tool, but it is not recommended to mow wet grass. But in this case, the gearbox, as a part, is absent, since the rotation is transmitted from the motor directly to the spindle shaft and the cutting unit. Naturally, like all other equipment that does not have a gearbox by design, it has a small power.
If the engine is on the top, it is more practical and the engine is more durable.
Trimmer with motor in the upper part as a complete set
In addition, such a mower has a much higher power.
If we consider the battery version, it has a motor and a battery at the top of the boom.
Types of trimmers
For a long time, for trimming the lawn, they have not used such a tool for mowing grass as an ordinary scythe. Of course, in the villages this tool remained, but in a country house or in the country, in order to mow a lawn or a lawn overgrown with grass, overgrown with grass roadsides, they use a trimmer. This is a kind of garden tool that combines a scythe and a lawn mower.
Trimmers are different, but basically they can be used in three types. These are gasoline, electric and battery powered.
The most powerful are gasoline-powered lawn mowers. They are considered a professional tool, they are used not only for lawns near the house, but also by employees of housing offices and road administrations to bring the areas covered with a lawn in order. The engine of this tool is of high power, usually air-cooled. Having a container with gasoline and oil for the engine behind his back in a backpack, the worker is not tied to the place and can handle large areas at a considerable distance, and with a fairly high speed of work.
Petrol trimmer in operation
Of course, such a tool also has its drawbacks, for example, a large amount of exhaust gases, a lot of noise, which is also heard with closed windows, when they mow the grass with it on the street. If, for example, something of the trimmer elements fails, it will be difficult to make repairs yourself without work experience. In addition, it has a large, comparatively, weight, it will be difficult for a woman to work with it, and the price is much higher than other types.
Electric powered tool, powered by electric cable, less powerful tool. It has an upper engine layout and a lower engine layout. Both models have their pros and cons. Due to being tied to a power source, it is used in private households, although you have to equip the device with an extension cord.
Power cord trimmer
But they are more convenient to work with and are light in weight. In addition, the noise and vibration levels are low, although they will not be able to mow thick plant stems. Easy to repair and maintain. Affordable prices.
The third type of trimmer is rechargeable. They do an excellent job where it would be impossible to fit a mower with a cable, they are convenient to work, they can be easily carried from place to place, they will not get tangled in the wire and will not cut it. Quiet, inexpensive.
Bosch cordless trimmer
There are difficulties in their work, this is a battery that constantly needs recharging, the smallest power in comparison with other types. Therefore, they are bought as an addition to two other instruments, and the choice of models is not so large.
Care and maintenance of lawn mowers
Service of lawn mowers, both with a gasoline and an electric engine, although it has its own differences, is quite possible on its own. Tracking the sharpness of the blades, sharpening correctly if they are dull is not a particularly difficult task. If there is no sharpening equipment at home, you can sharpen them in workshops. In order for them to wear out equally on both sides, periodically turn them over to the other side.
The air filter, which is installed on the gasoline spit, should be checked at intervals of one week, at least. Wet it with oil, if necessary, change it if it gets dirty. Checking the candles and muffler for soot contamination.
If the engine is with electric power supply, it is necessary to alternate the operating time indicated in the passport with the engine cooling time. If the equipment has a cutting element of the line, it also needs to be monitored, the reel on which it is wound is also periodically cleaned.
Untimely cleaning of the electric motor leads to the accumulation of moisture in it, the gasoline engine to a loss of its power.
It is especially important to pay attention to the maintenance of the gearbox. This detail is very important in the operation of the mower, unless the engine is directly connected to the cutting unit.
The first is to make sure that dirt does not accumulate there.
Second, do not forget to apply the grease in time, which is intended for the trimmer gear. You can ask your technician what kind of lubricant is needed for the trimmer gear you are buying. They will answer this question as correctly as possible, since the service life of the trimmer depends on this, and this is already a guarantee. Some trimmer manufacturers recommend using their proprietary trimmer gear lubricant, such as Husqvarna, Huter, Makita.
Husqvarna Trimmer Gear Lubricant
The fact is that in the process of operation, the load on the gear train increases, since the rotation speed is constantly changing. At the same time, adhering grass, especially in wet weather or dew, creates its own additional load. When deciding which lubricant is best to use for your trimmer gearbox, you need to decide separately for each model.
If these are Russian or Russian-Chinese manufacturers, the specific brand of lubricant is not indicated here.
- Types of trimmers
- Trimmer device and main differences in models
- Care and maintenance of lawn mowers
- What kind of lubricant should be in the trimmer gear
- How to lubricate and add lubricant to the electric trimmer gearbox
How to lubricate and add lubricant to the electric trimmer gearbox
In order to lubricate the gearbox, there are technological holes in it. To do this, unscrew the cap of the tube of grease and squeeze the grease into the hole.
We unscrew the screw and inject grease into the technological hole
If the grease is in another container, fill in a syringe with a capacity of 5 cubes and inject the grease through the syringe.
Can also be injected through a tube
If this is a gearbox from a gasoline engine, we find the plug, it is usually indicated on the diagram. And a little more than the gearbox from an electric mower. We clean it and the place around it, so that dirt does not get inside when opening. Then, put the trimmer on the surface (it must be turned off) sideways and with one hand squeeze out the grease slowly in the above way, and with the other we rotate the knife so that the grease is evenly distributed inside. Then we close tightly the stopper on the reducer and the tube or syringe. You need to lubricate at least after 25 hours of operation, and you yourself choose which lubricant to lubricate the trimmer gear. The principle of operation of the gearbox and gasoline and electric is the same.
Petrol trimmer grease
Correctly selected lawn mower care guarantees the durability and quality 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 indicated, 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 components from rust.
Based on the above information, it should be noted that lawn mowers manufacturers 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.
Replacement is done quickly enough.
- First, turn off the device from the network. Devices using 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 case completely.
- With the special tool that is included with the trimmer, you need to unscrew the gearbox plug.
- 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 in places subject to maximum friction.
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 needs additional lubrication 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.
How and how to lubricate the gearbox of lawn mowers?
Responsible maintenance is the key to long tool life. One of the requirements in the operation of a lawn mower is the timely lubrication of the gearbox, as well as cleaning the filters. With what composition to lubricate the gearbox, every user of such a unit knows. 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 lawn mowers 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. For lubrication intervals, refer to the instruction manual for your lawn mower. Experts say gearbox maintenance should be done every 15 hours.
Prevention and possible malfunctions of the gearbox
the lawn mower 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 end of the season. If the lawn mower works a lot, then we lubricate it after 30-55 hours of operation.
If the lubrication is insufficient, 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 at low mode.
- Gearbox vibrates or wobbles. This situation indicates mechanical damage.
- There is a knock. Then the bearing collapsed, the boot is damaged.
- If the trimmer knife is jammed, then the mechanism should be changed completely.
How to properly lubricate the gearbox of lawn mowers, see below.