I know what is wrong with the saw, do you???

[stinkbait]

The crankshaft isn't tight in the crank bearings. The shaft is moving back and forth in the crank bearings.

 

[Erick]

Spun bearing in the case??

 

[Philbert]

Bearings installed on wrong sides?

Philbert

 

[bama]

Bar misalighnment.

Nope. Scooterbum is sooo close.

 

[stihlboy]

1:wrong bearings,
2: case is broke allowing the crank to walk,
3: broken crank
4: wrong studs for bar


any of these??

 

[ol'homey]

Looks like the marks were made by the rivets on the chain. So the sprocket must have shifted outward say 1/8". Maybe the nut or whatever on the end of the crank that holds the sprocket on came off? Or maybe the bar shifted inward? Is there a spacer or guide plate between the case and bar that wasn't installed?

 

[AUSSIE1]

For cying out loud, get it Scooter willya?

 

[YoungTreeGuy]

Looks like chain was put on to tight causeing it to seize up with side to side play into it.... Some one forced it causeing the damage ...?? :biggrinbounce2:
just a guess

 

[stihlboy]

:bang::bang:

 

[bama]

Spun bearing in the case??

Those were the words I was looking for.

The bearings are quiet, but the clutch side case has allowed the bearing to spin. Lateral play caused the chain to ride up on the sprocket and wear in that pattern. These saws have brass inserts that the bearings sit in. When the last set of bearings was put in, it must have fit too loosely and the installer did not rough up the inserts to keep the bearing from spinning.

Scooterbum was close, but I didn't want to give it up because the bearings are quiet and have no play, themselves.

 

[Erick]

Yeah!!!!!

OK what did I win???

 

[Bill.A.Bong]

Crank bearing not seated properly?

 

[Scooterbum]

Punk.......now I got a headache......:bang::bang:

 

[bama]

Yeah!!!!!

OK what did I win???

My undying admiration!

 

[bama]

Punk.......now I got a headache......:bang::bang:

I got a headache, too. Way too much fast typing for me!

 

[Philbert]

Mail him the sprocket! He can have it bronzed and placed on the mantle!

Philbert

 

[bama]

Mail him the sprocket! He can have it bronzed and placed on the mantle!

Philbert

I thought I would use a little JB on it and put it back on!

 

[stihlboy]

1:wrong bearings,
2: case is broke allowing the crank to walk,
3: broken crank
4: wrong studs for bar


any of these??

hello..... what about me?????

 

[Erick]

My undying admiration!

Mail him the sprocket! He can have it bronzed and placed on the mantle!

Philbert

:hmm3grin2orange:

Man... all that and I didn't even win anything??

 

[bama]

hello..... what about me?????

2nd place isn't too bad, I suppose. Rep coming.