How to Guide
How do I change the air filter on my Husqvarna weed eater?
It’s crucial that you regularly change the air filter on your trimmer from time to time as specified in the engine manufacturer’s manual. This is important not just for ensuring that you get a good cut every time you use the unit, but to also ensure the longevity of the components. Remember that in dustier conditions, changing the air filter more often may be necessary depending on just how dusty it is.
In order to replace or clean the main air filter, begin by removing the filter cover that protects the main air filter canister and the component. Ensure that you carefully extract the filter canister without getting any dirt or debris inside the unit as this can be difficult to clean out later. Once you have removed the parts from the unit, carefully turn the canister upside down over a clean surface and slide out the filter element – this may be paper, foam or another material. Without squeezing it too hard, tap the element on a hard surface until most of the dirt fall off the component. If you are not able to get rid of much dirt, it may be time to replace the unit with a new piece. Insert the new filter element into the canister and fasten this back to the chassis of the weed eater. Add a little engine oil to the element before you put in back in the canister. Re-fix the main covering and fasten the bolts.
Video describing process above can be found here
How do I replace the nylon trimmer line on my weed eater?
To ensure the proper performance of your weed eater and get the best cutting experience on a regular basis, it’s important that you regularly replace the cutting line. Remember to only utilize the same length and thickness of line as recommended by your manufacturer – using a different will not just affect your trimming performance, it will also cause potential damage to your unit in the long run.
Before you attempt this replacement, ensure that the trimmer has been disconnected from any power source that may allow the unit to unexpectedly turn on while you are replacing the part. Once you have run out or come close to exhausting your main cutting line, begin by gradually unfastening the housing spool and winding out whatever line is remaining in the spool. Before you reinsert the new line, cut out two measures of it – with each part measuring roughly somewhere in the region of about 10 feet. Do this only when the unit has been turned off. Now unfasten the main bolt anchoring the primary line housing swivel and feed new line through the corresponding eyelet in a controlled manner. Once you have fed enough line to pull out through the other end of the shaft, bring it all the way up to the control handle where you can control the discharge of the line. Coil the excess line around the spool carefully, taking care to avoid knots or loose loops. Ideally, try to leave about 6 inches at the end of each line to ensure you have ample string to work with. Now go ahead and snap the spool back into its place and extend the threading by winding the line around it until you hear a click. When leaving spool out for cutting, do not leave too long a length of spool as this can decrease the engine performance. Refer to your engine manual in order to determine the right amount of line to be left for your trimmer.
Video describing process above can be found here
How to replace the carburetor on my weed eater?
The carburetor is an essential component to the longevity of your string trimmer, and to ensure that it runs flawlessly without you encountering any sudden issues with the engine in the middle of your trimming session. By allowing fuel and air to mix at the right ratio to enable combustion to take place, this component is primarily responsible for the rotary motion of your weed eater and if you encounter issues with starting that cannot be solved by inspecting the battery and air filter, you might need to consider replacing this vital part.
Begin by identifying where the carburetor in your trimmer is located – in most Husqvarna models, you can find it next to the motor unit, leading from the fuel line. Now ensure that you have completely drained out any fuel that’s remaining in the trimmer before you attempt to replace the carburetor. Once you have emptied out any existing fuel, begin to unscrew the chassis cover and the housing that supports the carburetor unit. Count the screws and bolts and keep them carefully as it is essential that they are all replaced once you have fixed the new unit. Once you have successfully removed all screws and bolts, go ahead and carefully detach the spark plug circuitry and any other wiring that may be connecting the carburetor to the other components. Once you have done this, proceed to gently unfasten the carburetor and install the new one. Ensure that the new carburetor is the exact model built for your specific Husqvarna trimmer. Now proceed to replace the housing and bolt the covers in place by fastening them with the same screws. Adjust the carburetor setting for your location and temperature and test the functionality. If you are having trouble with this process, do not hesitate to visit a dealer or service centre as you could lose efficiency if you decide to run the trimmer with a faulty carburetor.
Video describing process above can be found here
How do I replace the spark plug on my trimmer?
Regular replacement of the spark plug is critical to the overall health of your trimmer and to ensure you get consistent good cutting performance. Failure to periodically check and replace the spark plug as specified in your engine manual will stop the engine from being able to start normally, and result in more ignition issues than usual. This can also result in damage to other components in the long run and result in costlier repairs. In most cases, you may just need to reset the spark gap.
Ensure that the unit has first been completely disconnected from any power sources before you begin to prevent any accidently injuring yourself if the trimmers starts up. It is recommended that you ensure the fuel tank is also empty before you begin to replace the spark plug. Begin by disconnecting the wiring connecting the spark plug assembly and hanging it loose – now proceed to carefully unscrew the spark plug housing cover. If you’re having trouble locating the unit, trance the wiring from the motor bay. Once you have successfully removed the relevant screws and bolts, proceed to carefully remove the spark plug from the motor head and replace it with a new one. Before this, it is recommended that you first inspect the spark gap for any wider depth and attempt to correct this first. The spark gap must be checked at the beginning of every mowing season and if this doesn’t work, go ahead and replace it. Once you have fitted the new spark plug in place, proceed to reconnect all the relevant wiring before screwing back the housing cover to hold the unit firmly in place. Test out the starter and leave it running for a while to ensure that the new plugs are working properly.
Video describing process above can be found here
How do I mix the right oil and fuel ratio in my Husqvarna weed eater?
Measuring the optimal ratio of oil and gasoline is essential to the proper running as well as the longevity of your trimmer’s engine. An improper oil fuel ratio can cause soot to build up inside the piston head and other engine parts as well as excessive carbon deposits – in the long run, this can result in irreversible damage to your trimmer’s motor and could require replacement of the entire piston assembly or powertrain.
Ensure that you move the trimmer to a properly ventilated area whenever you handle fuel as the fumes could be toxic if they are allowed to concentrate in small closed spaces for long periods without attention. Begin by first draining out any present fuel or oil from the trimmer and ensuring that the tank is empty. Refer to the engine manual and measure the adequate amount of fuel and oil in separate containers before you can begin to mix them together. In most cases, this would generally be in the region of 50:1 which is roughly 2.6 pounds of oil to each gallon of fuel that the trimmer would need to be filled with. Once you have measured out the precise quantities of each fluid, mix them thoroughly in a container by shaking properly until the mixture has been allowed to form a uniform, homogenous solution. Let it rest for somewhere around 10-15 seconds before shaking once again. Now remove the fuel cap from your trimmer and pour the solution in, taking care not to allow any fumes to reach your nose. Recap the weed eater once you’re done and avoid spills.
Video describing process above can be found here