How To Put The Disc On The Trimmer Correctly

What knives does he put on an electric and lawn mower

Before buying and putting a knife on the lawn mower, find out what they are and in what cases they are used. Today manufacturers offer the consumer a large number of types of THESE consumables. In general, all cutting tools designed for mowing grass can be classified:

  • By the type of material from which it is made;
  • By the shape of its cutting blades.

The main material for making trimmer knives can be plastic or metal. The use of such consumables largely depends on two parameters:

  • Lawn mowers type;
  • Mowing squares.

For safety reasons, manufacturers DO NOT recommend putting steel knives on electric trimmers. Almost all electric and battery powered lawn mowers are equipped with plastic blades. Depending on the manufacturer, they can be of a solid disc-shaped design, with several blades or in the form of a special mowing head providing for the installation of removable plastic blades.

How To Put The Disc On The Trimmer Correctly

Straight bar for petrol trimmer and curved for electric

Putting a metal knife on an electric trimmer is NOT allowed by its design features.

  • The curved bar of the machine reduces the distance from its working part to the mower’s feet. In the event of a collision of the blades with a stone or other solid object, the scythe is thrown to the feet.
  • The high torque we mentioned above, in the event of a metal blade hitting a hard object, transfers a large load to the trimmer flex shaft and its motor. What causes them to fail prematurely.
  • The handle of the electric scythe most often does not have a Restraining bar acting as a stop. Which DOES NOT eliminate leg injury.

It is these features that make it possible to use only plastic knives on a trimmer with electric motors. When colliding with an obstacle, the blades are destroyed, thereby protecting the mower’s legs from possible injuries.

The use of metal knives only on gasoline trimmers is also due to design features.

  • Straight bar design increases leg clearance for complete safety.
  • Comfortable U-shaped and J-shaped handles provide a firm grip. D-shaped handles of lawn mowers are equipped with stops resting on the mower’s leg, which does not allow the head to come up to the feet when the cutting disc meets a hard obstacle.
  • The clutch of the gasoline engine allows for smooth acceleration to the optimum level. And when the blade collides into a hard surface, it is able to absorb part of the blow.

Thus, petrol trimmers with a metal blade installed are best used in large areas. They will successfully cope Not only with high coarse grass, weeds, burdocks and nettles, but also shrubs, as well as young trees.

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The shape of the disc blades supplied to the trimmer in no way affects the quality of the work performed. Speed ​​does not depend on them either. Triangular, trapezoidal, rectangular shapes are all marketing ploy of manufacturers.

How to put the knife on the trimmer

With the arrival of summer, many owners of personal plots are worried about the question of how to put the knife on the trimmer. No less relevant are the questions of why and when it is advisable to replace the line for lawn mowers with a more durable cutting element. In our article we will try to disassemble all this and give useful recommendations to summer residents.

Why you need to put the knife on the trimmer

A trimmer with a knife mounted on it is most convenient to use for more comfortable Mowing of tall and coarse grass in the country. Lawn mowers’ line does NOT work in such cases. Thin breaks very quickly. Using 2.3mm thick cord or homemade rods with cables causes the vegetation to wrap around the spool. This increases the load on the engine. As a result, the piston group and other moving parts of the unit wear out very quickly.

If you mow Buryan with an electric trimmer without a knife, only a fishing line, even a thick one with a curly section, will not solve the problem. There is always a risk of overheating the motor and damaging the flexible shaft. And it’s all about the large torque of the electric motor. Grass wrapped around the spindle creates strong shaft resistance, reminiscent of a speedometer cable, which does NOT withstand and twists.

In order to protect equipment from premature wear, manufacturers have provided the ability to install Special knives on trimmers. The design and shape of the existing cutting elements allows you to easily cope Not only with coarse and overgrown grass, but also successfully deal with young shrub growth.

How to put a knife on the trimmer correctly

Putting the knife on the trimmer is not that difficult. The manufacturer completes its tools with a special pin that allows you to lock the gearbox and a wrench with which the spool and fishing line are unscrewed. The most important thing is to observe safety precautions and the sequence of assembly and disassembly when changing cutting elements.

The algorithm for setting the knife to the trimmer is as follows:

  • Remove the protective cover;
  • Lock the drive. To do this, you must align the two holes. In the shaft hub and in the gear case. After combining them, insert a pin into the holes;
  • Unscrew the spool with line or the attachment nut holding the boot in a clockwise direction from the hub (if the trimmer has NOT been used yet)
  • Next, install the cutting knife so that the slots on the washer of the hub coincide with the recess in the hole of the cutting disc;
  • Install the boot;
  • We tighten the fastening nut (counterclockwise) while holding the locking pin;
  • We tighten it using a tubular wrench;
  • Replacing the protective cover.
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As you can see, nothing complicated comments. Now you can safely start mowing Buryan on the site.

What knives does he put on an electric and lawn mower

Before buying and putting a knife on the lawn mower, find out what they are and in what cases they are used. Today manufacturers offer the consumer a large number of types of THESE consumables. In general, all cutting tools designed for mowing grass can be classified:

  • By the type of material from which it is made;
  • By the shape of its cutting blades.

The main material for making trimmer knives can be plastic or metal. The use of such consumables largely depends on two parameters:

For safety reasons, manufacturers DO NOT recommend putting steel knives on electric trimmers. Almost all electric and battery powered lawn mowers are equipped with plastic blades. Depending on the manufacturer, they can be of a solid disc-shaped design, with several blades or in the form of a special mowing head providing for the installation of removable plastic blades.

Straight bar for petrol trimmer and curved for electric

Putting a metal knife on an electric trimmer is NOT allowed by its design features.

  • The curved bar of the machine reduces the distance from its working part to the mower’s feet. In the event of a collision of the blades with a stone or other solid object, the scythe is thrown to the feet.
  • The high torque we mentioned above, in the event of a metal blade hitting a hard object, transfers a large load to the trimmer flex shaft and its motor. What causes them to fail prematurely.
  • The handle of the electric scythe most often does not have a Restraining bar acting as a stop. Which DOES NOT eliminate leg injury.

It is these features that make it possible to use only plastic knives on a trimmer with electric motors. When colliding with an obstacle, the blades are destroyed, thereby protecting the mower’s legs from possible injuries.

The use of metal knives only on gasoline trimmers is also due to design features.

  • Straight bar design increases leg clearance for complete safety.
  • Comfortable U-shaped and J-shaped handles provide a firm grip. D-shaped handles of lawn mowers are equipped with stops resting on the mower’s leg, which does not allow the head to come up to the feet when the cutting disc meets a hard obstacle.
  • The clutch of the gasoline engine allows for smooth acceleration to the optimum level. And when the blade collides into a hard surface, it is able to absorb part of the blow.

Thus, petrol trimmers with a metal blade installed are best used in large areas. They will successfully cope Not only with high coarse grass, weeds, burdocks and nettles, but also shrubs, as well as young trees.

The shape of the disc blades supplied to the trimmer in no way affects the quality of the work performed. Speed ​​does not depend on them either. Triangular, trapezoidal, rectangular shapes are all marketing ploy of manufacturers.

Read more:  Trimmer Stihl Head Does Not Turn

Why you need to put the knife on the trimmer

A trimmer with a knife mounted on it is most convenient to use for more comfortable Mowing of tall and coarse grass in the country. Lawn mowers’ line does NOT work in such cases. Thin breaks very quickly. Using 2.3mm thick cord or homemade rods with cables causes the vegetation to wrap around the spool. This increases the load on the engine. As a result, the piston group and other moving parts of the unit wear out very quickly.

If you mow Buryan with an electric trimmer without a knife, only a fishing line, even a thick one with a curly section, will not solve the problem. There is always a risk of overheating the motor and damaging the flexible shaft. And it’s all about the large torque of the electric motor. Grass wrapped around the spindle creates strong shaft resistance, reminiscent of a speedometer cable, which does NOT withstand and twists.

In order to protect equipment from premature wear, manufacturers have provided the ability to install Special knives on trimmers. The design and shape of the existing cutting elements allows you to easily cope Not only with coarse and overgrown grass, but also successfully deal with young shrub growth.

How to attach a saw blade to a trimmer

With the arrival of summer, many owners of personal plots are worried about the question of how to put the knife on the trimmer. No less relevant are the questions of why and when it is advisable to replace the line for lawn mowers with a more durable cutting element. In our article we will try to disassemble all this and give useful recommendations to summer residents.

How to put a knife on the trimmer correctly

Putting the knife on the trimmer is not that difficult. The manufacturer completes its tools with a special pin that allows you to lock the gearbox and a wrench with which the spool and fishing line are unscrewed. The most important thing is to observe safety precautions and the sequence of assembly and disassembly when changing cutting elements.

The algorithm for setting the knife to the trimmer is as follows:

  • Remove the protective cover;
  • Lock the drive. To do this, you must align the two holes. In the shaft hub and in the gear case. After combining them, insert a pin into the holes;
  • Unscrew the spool with line or the attachment nut holding the boot in a clockwise direction from the hub (if the trimmer has NOT been used yet)
  • Next, install the cutting knife so that the slots on the washer of the hub coincide with the recess in the hole of the cutting disc;
  • Install the boot;
  • We tighten the fastening nut (counterclockwise) while holding the locking pin;
  • We tighten it using a tubular wrench;
  • Replacing the protective cover.

As you can see, nothing complicated comments. Now you can safely start mowing Buryan on the site.