STIHL KOMBI common issue with coupler

Here I discuss a few common issues I see with the stihl kombi system most are very simple fixes.

[@adrianm.2043]

Yes its me again. I got my combi back from the dealer, they had removed the attachment from the coupler (which I called a ferrule in my previous comment) then reassembled it to the engine again. I had to take it apart again to get it into the back of my car. Two days later I went to use it, tried to fit it to the engine and it stuck again half in half out, cannot remove it or get it further in. It's a brand new attachment which so far I have only managed to get at most half an hours use from. The dealer did not charge me for the work they did, I guess they did it under warranty.

[@timpolcyn2497]

How do you spectate the parts he took off the power head?? Why wouldn’t he show that?

[@adrianm.2043]

Hi I am new to your channel I found you because I have this problem, a brand new attachment got stuck in the engine. I took the ferrule off as you did, but still couldn't get the attachment drive shaft and plastic out of the ferrule. I know you did it, but you didn't show how you did it. It would be great if you could include how you got it out of the ferrule in a future video. I ended up having to take the machine and the attachment back to the dealer who fixed it for free, but it is something I would like to do myself because I lost the use of the machine while the dealer had it for a week.

[@brianavelar3869]

How did you get it off? The video doesn’t show how you got it off.

[@appleztooranges]

Are you suppose to lubricate that rod you took off? I heard people do that

[@stveide1]

2024 and I've got a combi with several attachments which quit working properly. Took it to the dealer who gave me a brand new edger attachment. THEN replaced the combi drive shaft and coupler housing. It worked for about two hours then wouldn't connect again. It's back in the shop now.

[@tomjones4318]

Mine wore out at about a year and I only use it for residential. The engine performs good(especially with Echo Red Shield) and the weight is great ... BUT what a pain in the ___ this flaw is. Stihl should send out a dozen of those plastic parts to every owner free!

[@tgsgardenmaintenance4627]

I use the Husqvarna 535LK pro combi and the only issue I've had was there was a flimsy plastic sheath on the coupling which was hindering the connection, took them out & no problem since! Nearly bought the Stihl system but opted for Husqvarna due to the extra power, it doesn't disappoint!

[@Rocketship-ib8wo]

OMG can’t find one video showing me how to take the guts out of the coupler. You showed taking it off the you came back and said you got it out. But how did you get it out?

[@Rocketship-ib8wo]

Update: I messed around with it way to long only to put Everything back together and rerun the attachment that was stuck inside for a couple minutes. Then I took it apart again and the shaft pulled out as it should. So if your having problems with the shaft pulling apart try running the attached attachment again, then try to take apart again. It worked for me. This time I’ll be leaving the weed whipping attachment in, which is the one i use the most

[@markwilleke7578]

Hi, thank you for the video. I have the KM 56 R motor. About 75% of the time when I insert the FS-KM string trimmer attachment it breaks the gray coupler, gets stuck, and cannot go to the red line. I manually disassemble and reassemble with a new coupler. I go through 10+ couplers a year on the string trimmer. My Stihl edger attachment works fine! Thoughts?

[@ALISTAIRGENERALE]

Can you show how to clean carburetor too

[@raycharles212]

Thanks for demonstration, your voice was weak on your video clip, at the end got better.

[@calebharper6396]

Thanks for the help man

[@troygarner3262]

Great video! How do you change out the end of the driveshaft? Mine has a broken pin and I am hoping I can do it myself? I have an older KM55rc model. Love that you show the part #'s also. Maybe a video of carb cleaning/rebuilding/replacement? Thanks

[@chainsawmatt4849]

Hey Troy thanks for the comment! I think the km55rc has a replaceable driver similar if not the same to the km56rc i don't have the part number handy at the moment but will be back in the shop on Tuesday and can provide it then. I plan on doing another video on the km style powerheads soon with better detail on replacing parts. The driver replacement should be relatively easy to do at home with standard tools as well as the carburetor cleaning however cleaning carbs is not always the best solution to the repair i typically recommend replacing the carb if you're having problems with the running of the machine the carb for the km55rc usually runs around $50 retail part number 4140-120-0619 do you have a local dealer?

[@troygarner3262]

@@chainsawmatt4849 Yep, my dealer was able to find the driveshaft and found the carb online. Thanks for your help and keep up with the great videos!

[@chainsawmatt4849]

@@troygarner3262 Good to hear thanks for the feedback!

[@tuberem3293]

Run mine without the pins. Bad design of a driveshaft. Put Loctite on them, still fell out after 2 years. Had problems with the set screw stripping out over time. Tighten, check if I can twist shaft, if twists, tighten alittle more.

[@TheAmateursOriginalMusic]

Ive found that after a while alot of the attachments start to turn round in the sleeve no matter how tight you turn it, cant see anything wrong with the sleeve attachment ??🤷‍♂️

[@appleztooranges]

Are these drive shafts suppose to be lubed?

[@chainsawmatt4849]

They don’t have to be regularly but I typically put hedge trimmer grease on the shaft when I reassemble it

[@dannymorgan6053]

I see a 56. Seems a common 2 piece system problem, especially when user doesnt know to rotate attachment shaft to align connections. ie turn edger blade when pushing in attachment. If force is needed then something isn't right... btw, I just did this today and I know this problem but in my case I am a heavy user and have found the design problems that the average user may never see...

[@texastacoutdoors]

Hows this a great video? You popped out the part thats stuck, but didn't show how you removed the shaft and stuck piece from coupler... which is what we are trying to figure out

[@jasperwillow-hart3333]

Do you know a video that shows this or can explain it!?

[@jackerma5]

@@jasperwillow-hart3333have you figured out how to get them out? Idk why he didn’t show that part, I know how to loosen a screw.

[@radishpea6615]

what is the common issue?

[@everardolopez6277]

Hello Matt I had a question I have a KM 91R and the attachments keep getting stuck and my guide wires are missing could that be why attachments get stuck

[@chainsawmatt4849]

Hey there yessir that could be why if the are broken off inside the coupler you have to replace the entire shaft part # 4140-710-3220 if the guides just fell out you can replace them part # 4140 -716-2200

[@Tk-tu7cd]

You didn't show how to remove the piece from the coupler. Mine is stuck

[@chainsawmatt4849]

I have a new kombi video in the works that should help with that please subscribe if you haven't already! Keep an eye out for the video soon.

[@joeyhornick5717]

Would be nice to see how you removed the stick piece! That’s the problem, how to get that piece out.

[@kennyplay5982]

QUESTION. my shaft doesn't come apart at all now. The seems like the coupler is stuck. Any ideas? Thx

[@chainsawmatt4849]

It’s probably got some rust holding it together if I had to guess it will probably have to be broken to come apart

[@kennyplay5982]

@@chainsawmatt4849 I keep it lubed. , It's the old and new style couplers.

[@bertraminc9412]

So I have the battery head, KMA-135R, and the reciprocating trimmer, RG-KM. Half the time when I connect the RG-KM to the head, I hear a spinning sound or grinding sound and the blades don't turn. When I fill up the grease and spray down the blades, it usually doesn't help. I can bang the blades in to the grass on their sides which helps sometimes. Eventually the cable shaft seats and it works then no problem. I checked this plastic piece and it seems to be in tact.... maybe bent a little into the center but it is not broken at all. Do you know what might be cause it... or do you think it is this plastic piece? Thank you for your advice or help.

[@leathersocks4155]

Same problem with mine so I took the plastic sleeve out and it works fine now.

[@NBTXGOLF]

You do t even show how to fix the problem

[@chainsawmatt4849]

Which problem?

[@jasperwillow-hart3333]

The parts stuck in the coupler, mine is stuck together and I can't get it out

[@jhankins2882]

Can you show how to replace the metal pins at the end of the drive shaft?

[@chainsawmatt4849]

I will look into that if the pins are broken off inside most of the time I replace the whole driveshaft but that can be pricey.

[@gerardomedina9405]

Chainsaw Matt how much could it be around .. for replacing the whole drive shaft

[@chainsawmatt4849]

@@gerardomedina9405 The engine side drive shaft or the attachment? And which model?

[@gerardomedina9405]

Chainsaw Matt engine side drive shaft ? Km 111r

[@chainsawmatt4849]

@@gerardomedina9405 probablt around $65 if you do it yourself part # 4140-710-3220

[@simonweston939]

cant hear what you're saying bud

[@chainsawmatt4849]

That was thanks to my waterproof phone case lol sorry I'm learning as i go.

[@outoftownr3906]

Hi - got a 5 year old Stihl km130r kombi with constant attachment failure issues.i get through a lot of plastic inner sleeves with the tabs breaking off. Engine Shaft is often sticking into attachment which i keep knocking back out. The aluminium housing is always right in and tight. Any ideas please

[@chainsawmatt4849]

It could be the driveshaft needs to be replaced in the powerhead side part number is 4140-710-3220 retail is probably around 60 bucks i would try cleaning or maybe even filing or sanding down the female inside part. As far as the plastic sleeve goes its most likely getting twisted to far when it gets stuck I dont see the attachments getting stuck that often the guide pieces could also be broken off or missing.

[@ken559]

3 time now in a year my string trimmer attachment gets stuck half way in and wont come out what am i doing wrong tool is level and arrows are aligned

[@chainsawmatt4849]

Where the driveshafts connect could be making a tight connection its most likely on the engine side what model do you have?

[@kornkobjake]

You don’t show how to get it unstuck

[@paulmo4076]

Can not hear one word you said. The background intercom voice was better. The video showed what you did, though.

[@waterbourne9282]

Crap engineering design Stihl. Instead of relying on the clamp and a plastic key to prevent rotation when using the tools you need a metal pawl like Husqi uses.

[@SeanHayesParleys]

Dead silence. No intro for..... 1/2 a minute. I get that it's convenient to lay the kombi and camera on the table, but our point of view is at your waist. To put it bluntly, no one wants to feel like their kneeling to watch you. "Got these pieces out of there...." I lost all patients at 1:10 into the video. When someone's looking for an explanation for something these "little" things matter.