stihl 020T problems

Babberney

Babberney

Location
Austin, TX
I have a backup 020T that has been through the wars. I bought it second-hand about 2 years ago from a guy whose employee had been known to chuck saws out of the bucket when he didn't like how they were running (oops, I mean "drop"). Despite all this, it has been a great backup saw--the only problem was going through fuel a little too quick, which I could live with.

But now I have a problem that has me mystified. I'm hoping it might be obvious to some of you who have been around saws longer than I.

The oiler seems very erratic--sometimes not going at all, other times it's a gusher. Again, I could live with that, but the bigger problem is chain tension. It will seem really loose, so I'll tighten it, then it will sieze up like I cranked it down with an impact wrench, then I loosen it slightly, and the next thing I know it's sagging a half-inch again. The bar looks okay--the chain isn't getting wedged into the track as far as I can tell.

I suspected grooves in the sprocket, but it doesn't seem so bad there. I'd almost be willing to just buy a sprocket and try it out, since I could use it as a backup on my newer saw, but I really don't want to spend a lot of time messing with this saw if it belongs on the scrap heap.

Anyone see an obvious fix here I'm missing (or should I go ahead and try a sprocket)? Anyone know what a pawn shop will pay for this saw if they think it works okay? Anyone need an 020T for parts?

TIA,
k
 
Well,a sprocket isn't that much money.Put a new filter in the oil line.If you really get disgusted with it,throw it in my scrap heap.
 
Keith,

If your serious about selling, I am interested in buying if the price is right of course. I don't care how it runs or if the oiler doesn't work. I need a donor saw for the body parts if it is in decent shape.

Thanks
Larry
 
i'll bet the oiler is causing your problems. if the bar and chain is not getting oil it will heat up and bind on you. as long as the bar, chain and sproket are in decent shape and it spins freely when cold the the oiler is the culprit.

either the plastic gear is bad or the pump is bad. the gear and pump are easy to fix. try the gear first though it's the cheapest way out. the hardest part is pulling the clutch off, it's right behind it.
 
I'd be willing to bet if you fix the oil problem that you will no longer have a problem with chain tension.

It sounds like the oiler gear is stripped (plastic) but of course make sure the entire system is clean.



Mike



CityClimber beat me to it. :<)
 
I had a similar problem with an old 028 the oiler was real sporadic, nothing and gushing, and i couldnt seem to get the bar tension right, it would bind when it would seem right.

Fixed the oiler and it runs pretty well for being abused by many before me, but thats a whole other story.
 
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