Gasoline grass trimmer how to use

Grass trimmer care: rules and recommendations

A beautiful well-groomed lawn, a neatly mowed lawn. this is the result of using a grass trimmer for grass. With the help of this tool, you can quickly put the plot in order. Unlike a lawn mower, the small and maneuverable tool easily gets into hard-to-reach places (around trees, near fences, benches). Like any other technique, a grass trimmer needs proper care and maintenance.

Service life and performance of the lawnmower depends on whether the user observes the rules of operation. All the information you may need is in the manual. Be sure to study this document before you start working with the trimmer. And in this article, let’s focus on examining the main issues concerning the use of the tool.

Getting ready for operation

As with any other technique, there are rules when working with a trimmer. First, make sure that the main components are intact: the propeller, the boom, the handle and the motor. If the machine is not yet assembled, it must be assembled correctly according to the instructions.

Attaching the cutting attachment to the actuator. The attachment point is called the reducer. The task of installing the disk or coil is not difficult. The principle of attaching the cutting discs to the trimmer is as follows:

  • Initially, the shaped washer is fixed by using the hexagonal key
  • Place the disk on the shaft
  • Then mount the top washer, and then screw it on with the securing nut
  • Turn the nut by means of a special socket wrench, which is usually supplied with each tool
  • Turn the nut in an anti-clockwise direction
  • It is necessary to jam the shaft with an Allen wrench during rotation

The removal and replacement of the disc on the trimmer is performed in the opposite sequence. For more details on how to install a spool of line on the lawnmower, see this material.

Grass trimmers with electric motor

Most electric models are sold knocked down and need to be assembled by the customer. Before you start working with the electric trimmer, make sure it is assembled correctly. This will keep you safe from injury and the tool from breaking.

Check the battery level if the model is battery powered, or the mains connection. Lubricate the gearbox with solidol or oil. For safety reasons, do not use the electric grass trimmer in rainy weather or when mowing wet grass. Moisture in the body of the device can cause short circuits, damage to the tool, and personal injury to the operator.

Getting ready to work

If this is your first time mowing the lawn, take a few minutes to understand how to properly mow grass with a line trimmer. Walk around your lawn and remove any rocks, sticks, or large debris.

Turn on the grass trimmer and hold it so that the handle is tight against your hip. Make sure the head is at a comfortable height for cutting the grass. Go to one edge of the property and start cutting.

As you’re trying to make an even cut, keep the head parallel to the ground and make short sweeping motions. It’s best to set a higher cutting height first, so you can adjust to the ideal cutting height.

gasoline, grass, trimmer

Care of the machine

For the lawnmower to serve you well and for a long time, it is necessary to perform a number of maintenance measures.

  • The grass trimmer must be stored in a dry room.
  • Clean grass and debris from the appliance after each use.
  • The air filter and radiator grill on the gasoline grass trimmer motor must be periodically cleaned in the same way as described in the instruction manual for the machine.
  • Keep an eye on the lubricant in the gearbox.
  • Electric trimmers should be wired in one piece, with no breaks or cracks in the insulation. Only plug tools into the mains through grounded sockets.
  • All cables should be coiled after use.
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If the gasoline grass trimmer will not be needed for a long time, you should empty its tank, let it idle to burn off residual fuel, lubricate the engine. The link rod must be disassembled and the joints treated with preservative grease to prevent rusting. All the nuances of storage and care are explained in detail in the owner’s manual, which can be downloaded in case of loss.

How to properly run in the gasoline trimmer

Running-in the engine and a proper first start is very important for a gasoline trimmer. They allow the parts to rub against each other and preserve the engine’s service life in the future. In addition, the technical work with the trimmer provides useful skills that will be useful in the operation of this gardening equipment.

The correct algorithm for running-in the engine:

  • Prepare the fuel mixture in the right proportions and pour it into the tank of the gasoline trimmer.
  • Add grease to the gearbox as needed.
  • Run the engine at idle and let it warm up for 5 minutes. Increase the throttle two times for half a minute.
  • Turn off the engine for 20 minutes.
  • Check idling and starting up as in point 3 and rest for 20 minutes.
  • Running in of the gearbox. Mow the grass for 5 minutes and then stop the engine for 15 minutes. Perform this operation 4 times.

Run-in of the power tool until the fuel in the tank is all gone. After that you can start working intensively.

Important! Keep an eye on the lubricant level in the gearbox and replenish it every 2-3 hours when you start. It is also important to constantly check the temperature of the engine and gearbox and avoid overheating to prevent damage to the power tool.

Preparation of Fuel Mixture

To make sure that the machine operates productively, it is important that you learn how to prepare the fuel mixture. If your trimmer for grass is equipped with a 4-stroke engine, then you can not bother with the preparation of fuel, because such units run on gasoline, and oil is filled into a separate container. Fuel-oil mixture is used to pour into grass trimmers with 2-stroke motors. For its preparation you will need only 2 components:

gasoline, grass, trimmer

Mix the fluids in the ratio specified in the instruction manual. The fuel and oil recommendations are given here.

Important! Used automotive oil must never be used. The brake pedal and brake pedal combination can be used to adjust the lever on the headlamp or head control lever.

Prepare such an amount of fuel mixture that you have time to work out in one cycle, because during storage the oil precipitates, the fuel loses its properties and becomes unsuitable for further use.

How to run and operate Grass Trimmer Stihl FS 40

How to take care of trimmers

Each type of device has its own peculiarities, which should be taken into account when working and storing. But some rules apply in all cases.

General recommendations

These tips should be followed by users of any lawnmower. gasoline and electric.

  • Keep it in a dry place.
  • It is better to hang it on the wall, on the special mount.
  • Clean off dirt and grass clippings after each use, inspect for damage and wipe down surfaces with a soft cloth.
  • Before working, check that the bolts holding the machine parts together are tightened securely, especially the fasteners on the working head.
  • Grass sap from the spool is best wiped off immediately after mowing.
  • Keep an eye on the amount of fishing line and the condition of the plastic or metal extensions. The trimmer line must be of a suitable diameter (for the bobbin used and the type of overgrowth). Blades of discs and blades should be sharpened, and reversible nozzles should be flipped for even grinding of teeth.
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For your information! Grass is often wrapped around the spool, the shaft and the gearbox. this slows down the rotation of the spindle and puts unnecessary stress on the motor. Remove long stems and leaves from the grass trimmer immediately after mowing or during breaks.

The filament coils on the reel should be even, with no overlaps. the line for the trimmer must be wound in the right direction and in the recommended amount. The spool has markings on it: arrows for directional markings and marks to indicate the edge.

Large brush, trees, fences and other solid obstacles should be mowed around borders and the grass trimmer should be turned with the blade of the trimmer towards the obstacle. Otherwise, the line consumption will increase, and the blades will become blunt very quickly.

How to care for your petrol-powered trimmer

Heavy-duty brushcutters designed for continuous cutting should be treated with special care. Servicing a grass trimmer with your own hands may seem like a daunting task at first, but most buyers quickly get used to following the recommendations listed below and turn to a service technician very rarely. Maintenance requirements are as follows.

  • Engine gasoline should be clean and have an octane rating of 92 or higher. Fuel density. 750-770 kilograms per cubic meter.
  • Two-stroke engines are filled with a mixture of high quality fuel and oil in the proportions indicated in the trimmer‘s instruction manual for the grass. Most often there is 20, 25 or 40 ml of grease per liter of gasoline. The best oils are produced by the manufacturers of garden equipment themselves. “STIHL”, “Husqvarna” and other brands.
  • When working with a four-stroke engine, fuel and oil are poured into different tanks. Both tanks must be filled to the top mark.
  • The gasoline filter should be cleaned about every 10 hours of operation: dirt, grass clippings and bark particles get into it. It must be ensured that it is saturated with oil. If cleaning is unsuccessful, the filter must be replaced with a new one.
  • The spark plugs and muffler should be cleaned periodically

Gear gears need to be lubricated, especially after their replacement, when the spindle slows down, as well as if there is an extraneous sound during the operation of the grass trimmer. Lubricants for their products are manufactured by brushcutter manufacturers, but you can use universal ones, such as lithol. How and what to process a specific mower model, it is better to learn from the documentation to the device. often than not, manufacturers recommend that you lubricate the gearbox once a year/season and fill the oil holes in many models.

How to Cut Grass with String Trimmer

Attention! Clean all dirt from the gearbox before continuing with lubrication.

Running in of the lawnmower

The new trimmer for grass run-in to make sure of its serviceability. the machine motor should run in to the fuel and oil, parts. to rub against each other, and fasteners. to pass the test of strength. This process is performed as follows. you need to start the tool and gradually increase the speed, warming up the engine, but at first you need to protect it from overheating. Then open the throttle no more than 2/3 of its possible travel and let the engine idle for the first few minutes, then test drive in soft grass. It is best to mow the lawn.

Attention! After the test run, the oil must be drained.

Prepare petrol trimmer for the working season

Before you start using your lawnmower regularly, you need to:

  • assemble the machine according to the instructions;
  • prepare a new portion of the fuel mixture. for two-stroke engine;
  • Pour fresh gasoline and oil to the correct level. for a four-stroke motor;
  • change the spark plugs, clean or replace the air and gasoline filters;
  • adjust the carburetor (according to the instruction to the device)
  • check the condition of the fixing bolts and tighten them if necessary;
  • Lubricate the gearbox.
  • check the line for trimmer and nozzles.
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To prepare for the winter

To keep the gasoline trimmer from losing its performance during a period of inactivity, you need to:

  • inspect the machine for cracks, chips, bent parts;
  • Detach the hood and cutting head;
  • drain the fuel from the tank and turn on the device to exhaust the remaining gasoline;
  • thoroughly wipe/wash the boom, handle, and shroud;
  • Remove the spool or blade;
  • clean reducer and refill it with oil;
  • Inspect and wash the filters.

Then remove the spark plug, pour a little (20 ml) of engine oil into the hole and turn the engine shaft smoothly several times with the starter motor to distribute the grease on the cylinders. After these manipulations it is necessary to put the spark plug back in, but not to screw it in all the way. This procedure (except oil replenishment) should be done once a month when the unit is not in use.

How to wind a line on a trimmer

Winding new cord on the spool is a fairly easy process. For the job, you’ll need a roll of new fishing line of the right diameter and shape, a knife for trimming and protective gloves. The following is a diagram of how to replace the line on a spool with 2 tendrils, as this is the most common version.

  • Cut 2-4 m of trimmer line (the length depends on the cord thickness and the manufacturer’s advice). Do not use a longer cordset, as it makes the cordset rotate and pull harder when you mow.
  • Remove the trimmer head from its mounting (each model has a different mounting method. with special locks or with a wing nut) and disassemble it. Carefully arrange all the parts side by side without losing anything.
  • Wind the line for the trimmer onto the spool. There are two types of spools: with or without a spacer.
gasoline, grass, trimmer

Spool with splitter bead

  • Fold the trimmer line in half and place the fold over the special groove in the spool. If you do not have any, simply cut the cord in two pieces at the bend line and secure the ends in the holders.
  • Thread the tips into the special grooves on each part of the spool.
  • Start winding the rest of the cord to one side.
  • Leave 20 cm on the ends and place them in opposite directions by threading them through the holes provided.
  • Cut the cords to the right length in half.
  • Secure the tips to the spool in special fasteners or put them through the holes.
  • On the bobbin there is a winding direction, in which direction the cord has to be wound. Wind it up, not allowing the sections to cross over on the spool.
  • The tips spread out on opposite sides and inserted into the special slots. Diameter should be the same.

Important! Purchase the branded cord that is recommended for your mower model. It is more durable than cheaper counterparts and will last longer. Also, pay attention to the diameter of the holes in the spools with the divider bead, so you can find the right line for the trimmer with the right cross-section. Do not wind the trimmer line tightly, allow it to run freely during operation.

To wind the line for a trimmer on a reel with 1 cutting end, do not fold the cord, and for mowing heads with 4 tendrils, prepare 4 pieces of line. The winding pattern is the same as described above.

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