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#103034 18/01/20 08:01 PM
Joined: Dec 2018
Posts: 22
Novice
hi

I have a Greenfield 12-30 and am looking for a drive sprocket and chain..

am confused when looking online because of various options..just want to buy the right one.

some one please help me with the right link..website..item etc

happy 2020

regards Ryan

Last edited by dontknowitall; 18/01/20 08:09 PM.
Joined: Jan 2017
Posts: 88
Greenfield Expert
Gday,

Firstly, is it the small sprocket on the drive disk shaft or the large axle mounted driven sprocket you are after?

Then, count the amount of teeth on the sprocket and the width, the find the chain pitch, just measure the centers of the chain pins (inches). the outdoorking website should stock these items.

I hope this helps.

Cheers
Greenfielder

Joined: Mar 2015
Posts: 567
Likes: 2
prd Offline
MOD & GREENFIELD TECHNICIAN
G’day Ryan,

So we are talking about an evolution model? A photo of the machine and the sprocket would help.

Cheers,

Joined: Dec 2018
Posts: 22
Novice
its a small sprocket.. with what looks like a brash bush? on the inside..

will post a photo tomorrow

Joined: Jan 2016
Posts: 8,111
Likes: 231
SENIOR TECHNICIAN

At a guess I'm thinking the chain adjuster sprocket because it has a brash bush in it, couldn't help myself. If it is the adjuster bush I was told years ago not to bother using the sprocket, just use a couple of small bearings about the diameter of the sprocket together on the adjuster bracket. Never any problems with it since

NormK #103054 19/01/20 10:22 AM
Joined: Dec 2018
Posts: 22
Novice
Correct and thank you..either want to get an new one but not sure where or indeed get 2 small bearings..Great idea!

Last edited by dontknowitall; 19/01/20 10:26 AM.
Joined: Jan 2016
Posts: 8,111
Likes: 231
SENIOR TECHNICIAN

Greenfield dealer near me told me that that was the replacement part they would supply or for me just go to the nearest bearing supplier and get a couple of bearing which I did. Any bearing supplier will have them just get a couple that fit the bolt on the adjuster and the outside can be whatever it turns out to be

NormK #103058 19/01/20 11:20 AM
Joined: Dec 2018
Posts: 22
Novice
thank you so much


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