Chainsaw Repair

Husqvarna - Stihl - Poulan - Jonsered - Dolmar chainsaws and more => Chainsaws not listed - Gas OPE => Topic started by: Remington on February 02, 2013, 04:17:51 pm

Title: Re: Homemade woodruff key
Post by: man of stihl on February 03, 2013, 11:18:24 am

Quote from: 660magnum on February 02, 2013, 07:43:35 pm

You can get by without a key. locate the flywheel with the keyways aligned and tighten it down.

The taper is supposed to hold the flywheel. The key is only for proper alignment at installation of the flywheel.

Many of the racing chainsaws where they have swapped coils have the flywheel located in a different position where the keyways do not align.

I agree with 660.

Title: Re: Homemade woodruff key
Post by: 660magnum on February 02, 2013, 07:43:35 pm

You can get by without a key. locate the flywheel with the keyways aligned and tighten it down.

The taper is supposed to hold the flywheel. The key is only for proper alignment at installation of the flywheel.

Many of the racing chainsaws where they have swapped coils have the flywheel located in a different position where the keyways do not align.

Title: Re: Homemade woodruff key
Post by: Remington on February 02, 2013, 07:35:25 pm

I did find one in a last ditch effort. I had a dead power mac 320 which had the same size. I guess now I have to make one for the 320 when I go to repair it.

I could have bought one I'm sure but saturday night and -20c , better just to stay home and make one.

Title: Re: Homemade woodruff key
Post by: Al Smith on February 02, 2013, 07:29:57 pm

If you can't find one which you should be able to the easiest way is to use a piece of round steel stock the same radius as the key .Make sure you use the correct size because too thin you take a chance of ripping out the keyway in the crankshaft .

Title: Re: Homemade woodruff key
Post by: Cut4fun . on February 02, 2013, 05:29:44 pm

I bought a bunch at TSC to get close to one on a 3 wheeler once then used grinder to make it fit.

Maybe use a flat soft metal washer to make your own.

Title: Re: Homemade woodruff key
Post by: 660magnum on February 02, 2013, 04:30:06 pm

I just get them at the hardware store.

They are generally soft steel in the chainsaws.

Title: Homemade woodruff key
Post by: Remington on February 02, 2013, 04:17:51 pm

Any suggestions on materials and methods ? 

Its fairly thin and the ones I have are too thick, obviously this is the reason it broke.

I guess wood is out but maybe a washer cut and filed down or can I get away with a wood key.