How to install the Brush Knife to the STIHL Weed Eater 

Great video. Complete without being boring. And, none of the stupid , obnoxious music in the background I can actually hear what you are saying. Thx

I bought a FS commercial Brush cutter used it with the brush knife for more then 10 years . No problems I maintained a 60 acer estate in Brewster NY This cutter was a animal. Thanks Stihl for designing a great machine I recommend strongly to wear Stihl max body and head protection

You sir are to be commended for making men’s days easier

Thanks very much for this. The instructions that come with the attachment leave something to be desired!

Thank you very much for posting this vid. Considerably more help than anything i got (or didn't get) from Stihl. You've filled in all the gaps. :-)

Tfhanks so much. I'd forgotten how to attach it, after 15 years or so since I last used it.

I use the small guard with my cutting blade, and the large guard for weed whipping. Has worked well for a LONG time. No damage to me the user or my equipment.

This is so easy. Stilh products are the best

Thanks mate, I used this knife today for the first time but I am really recommending taking off this black plastic part - mowing is much easier then, greetings from Czech Republic !

I thank you couldnt get it to work right till i watched your video clip

Thank you for making this video. Great information for me. Very helpful.

This vid is 5 years old as I’m watching. Thank you nonetheless though. I have the Stihl parts/ blade but no directions.

Excellent video and perfectly narrative. Thanks for sharing. Andy 🇨🇦

Thanks for posting this video! I helped me get the blade on our Stihl! Kevin

Thank you for your time in making this video. However I did it but the blade won't spin,what am I doing wrong???? Any suggestions is welcome

Thank you for the lesson. That was a big help.

Excellent video! Very informative. Thank you!

Mine didn't come with the black guard attachment. It looks like it might get in the way of cutting low. The orange guard works just fine. Really good instructions though. I've had an FS 120 for five years. Used to cut 1/2 acre of old pasture land. Like cutting butter when it's sharpened.

love my stihl tools plus free tools they give ya with it wich is nice other brands you don't get tools with them

Great video got a load of answers from this. Thank you

Nice clear video. Stihl recommend removing the lower black part of the guard as you can see the string cutter shows it's just for the mowing attachment.

Nice tutorial video, thanks for sharing!!!

You didn't have to take the whole head off of it by removeing that string part it comes off with it when you remove the whole thing that is a waste of time removing string out of the head you can take it all off at once and twist it back on when you are ready to use it again.

Thanks!!!! Great upload and much appreciated!

Where can I buy that adapter kit you used?

Great brush knife demo. Thanks!

It would have been nice to know info/source on arbor & guard kit

This video was a big help, but I’m having a problem with the blade vibrating badly, almost to the point of it being too difficult to hold the weed eater. Any suggestions? Thanks in advance!

Nice thanks I was not provide that pinaybe I can use a mail and I think I had that last 2nd. To last piece backwards 👍

Thanks

Good job

Exactly what I needed…🙏🏽

Nice upgrade

Thanks internet Dad!

I have an fs 240 and bought the Stihl brush knife for about $40 at the dealership. It works ok but is too small in diameter. Get yourself an Airecut blade which is larger, cheaper and cuts much better based on my experience.

I use this on my 80v. Amazing blade but wish it cane in a larger size

Does the star locking washer come in the Kit? I bought the blade and it just comes with the hub & Nut.

Ours did not come with the special tool provided, what exactly is it and can it be purchased alone?

It is pretty vicious and serious looking!

And I can put this on a stihl fs-550?

Good video 😮

thank u

Very good video

That blade looked like a ninja throwing star.

If there a brush cutter attachment that works with curved shaft trimmers? Anyone have a link to one?

I ordered the blade but didn't know about the cap and bolt you have to have to install it. Now I have to wait til I get it. 😢

Thank you for your help 🙂

How do you sharpen edges please 🙏

Why would my 3 knife blade vibrate the whole trimmer?

what size is that last nut 3:25? I appreciate any help

Can i put this one on a fs 56?

Did you get the kit from a stihl dealer

Thank you

What size is that Allen wrench that came with it ?

Thanks for posting

The black thing that you inserted only for the string cutting head to cut the extra lenth of the string...its not needed for metal cutting Blade... It cant cut the extra length of the blade if any... :-)

great vid thanks

God knows...you help me out

It works better without the guard with the brush knife

Hi. Thanks for making this video. I just applied my name played my machine and it looks like I did everything right, but I’m having a lot of vibration. I can barely hold onto it. I know it’s not loose but couldn’t be too tight? If you have any advice I would really appreciate it. My local shop is closed

I got it thanks

Nice video! Thank you for your nice comment on my video ♥

How much

Just a small point here... you dont have to take apart the string head like that to remove it... in fact it's simpler if you don't. Just sayin'..

Does this work on the FS 40 model

Why would you take the trimmer head apart? All I do is turn the whole works off, intact. No reason at all to take it apart.

I got a cheap ass weed eater from walmart, would a blade like this be compatable?

what's the socket size on the nut?

Is it supposed to vibrate a lot

Good info.

Good job Why did you flip the blade tho?

I like that on cutting strong brush like oak sprigs. a string line just don't do it. thanks

That helped! Thanks

Can you tighten the nut too much? Tia

I bought the blade, didn’t know if need the bigger guard and stuff, where did you get that at and how much is it?

dealer didn't sell the new sheild only the blade

Maybe I am missing something but if you are using the brush blade WHY do you need to put on a guard and one with a string trimmer attached ? If you are using the brush blade without any line why then would you need a string trimmer? Won't the blade work by itself without any guard or is that presumably too dangerous to use the blade without any plastic guard?

Some serious mis-information in this video. The protective guard does not have the black skirt fitted for the three knife blade. That skirt is for line mowing. See the manual or the pic on the front of the box. And why strip the line head to take it off? Just unscrew it!

Would love to give it a ride with my B450!

The black plastic shield must not be used with a brush Knife! ;)

What model is the stihl? Ty

Hello! Does it cut blackberry easy? Thank you.

You want Vicious!? Get a Cane Slayer Brush Cutter!

You don't have to pull the head apart so you know I am a stihl mechanic

All business lol definitely need the guard lefty righty ? :-)

First mi$take- buying from stihl. Some stihl machines can't even accommodate a 10" blade, vice the 12" ones I use, even on antique 21 cc Echo. Much better blade prices from Forester. Definitely need "kit" of stepped splined washers for machine to hold the blade, might need to trim guard (e.g. with bandsaw) so it doesn't get in the way. Mesh visor AND safety glasses, and hearing protection a must, as are smarts. IMO

How's that finger coming on?

Guys he flipped the blade @3:51

And there are 4 videos blocking everything you are doing at the key time you are trying it out. Time to look for another video showing me the test.

No need to disassemble head. Also wear gloves. Also mention which way cup on washer goes. Rate. 4 outa 10

Your back may not thank you but best tool for job..Stihl..

You can see the Stihl part number when he first opens it. 4180 007 1013

ANYONE ELSE WATCHING THIS IN 2018!?!?!?!?

If you want to save yourself about 50 bucks just by the nut protector and the blade itself don't buy the whole kit.

you got old man hands just like me. Sucks dosen't it. Good video though.

Thanks