#Grass trimmer head Patch
It is also helpful to navigate around difficult or delicate spaces, like close to a flower patch or garden bed, letting you mow around them with ease, which you can’t conveniently do with a lawnmower. This is the primary use of a string trimmer: mowing down grass and getting rid of weeds near fences, driveways, steps and footpaths. Lawnmowers tend to be bulky and heavy, so the lightweight string trimmers with their compact trimmer heads are the perfect tool to complement them and achieve a better finish. When Should I Use a Trimmer Head?Ī trimmer head on a string trimmer or brush cutter comes in handy when you need to reach spots that a lawnmower can’t. The thickness of the line depends on the model you are using, and the way the line is released depends on the feed style of your string trimmer, as discussed above. This causes the clutch flyweights to engage the drive shaft, which in turn rotates the trimmer head.Īs the trimmer head rotates, the line is spread out which then cuts through grass, foliage or weeds. When the trigger is pulled, the throttle on the carburettor accelerates the engine. A drive shaft is attached to the trimmer head which is engaged by a centrifugal clutch that is connected to the crankshaft of the engine. Whipper snippers and trimmer heads may seem like simple devices, but there is a robust system of parts that must work in unison to make a trimmer head work. On the flip side, you would have to stop your trimmer every time you need to replace the line in it. This reduces wear and potential breaks of line, hence reducing the pauses you might have to take. A fixed head system is best utilised under more commercial or larger settings, and uses tougher and thicker string. The overall process of dealing with the trimmer is less cumbersome since you don’t need to wind the line onto the trimmer head. Fixed Head SystemsĪ fixed head, or fixed line system, uses individual lengths of line that are loaded into the trimmer one at a time, as needed.
#Grass trimmer head manual
So, choosing between this and a manual bump feed system comes down to preference and which trade-off you are willing to make. Another disadvantage is the lack of control on how much line you end up using. It’s perfect for someone just getting into trimming their lawn.Īs such, trimming is faster with an automatic feed system, however, fixing or repairing is much more tedious and expensive than a bump feed system. Since there is no bumping involved here, it is less likely you will break your brush cutter, and the automatic release of line makes it easier to get the job done faster. In this system, the trimmer will release more line when it starts to run short, thanks to an advanced internal system that gauges the current length of the line.
Gaining in popularity, the automatic feed system uses a line-spooling motor as well, and requires no effort when the whipper snipper is in use. On the other hand, the spring in the trimmer head will eventually wear out and need replacement with continuous use. They allow you to control how much line you use, and since it is a simplified system, it is easy and quick to make repairs. When the spring system releases the line through the line outlets, the line advances.īump feed trimmer heads are consistent and easy to use, hence making them the most popular choice. Varied lengths of line are wound around the trimmer spool, with two equal lengths fed through trimmer head openings in this system. Bump Feed SystemsĪ bump feed system works by ‘bumping’ or lightly tapping the bottom of the trimmer on the ground. The one you use comes down to preference, the machine you own and the application you have for it.
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