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General Category >> Rubber Side Down! >> impact wrench front sprocket removal?
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Message started by wombat on 12/13/11 at 21:06:37

Title: impact wrench front sprocket removal?
Post by wombat on 12/13/11 at 21:06:37

Anyone have experience using an air impact wrench to remove the front sprocket? The swing arm is off so I cant lock up the rear wheel to use a breaker bar. I've heard that you can use an impact wrench but have no idea how this is done or if there is any danger to it.

Title: Re: impact wrench front sprocket removal?
Post by verslagen1 on 12/13/11 at 21:21:11

Yes you can.

and you can also drop a socket in between the belt and pulley to lock it against the case. I forget what size, 9, 10 or 11. 1/4" drive with straight sides. too big and it slips out, so start big.

Title: Re: impact wrench front sprocket removal?
Post by Serowbot on 12/13/11 at 21:51:13

Impact +1,... it's the only way to go...
... but,... not in gear... do it in neutral, and use the belt, or a fat strip of leather, or something, to hold the pulley....

I don't actually know if doing it in gear, would hurt anything,... I just wasn't willing to risk it... :-?...

Title: Re: impact wrench front sprocket removal?
Post by MotoBuddha on 12/14/11 at 07:50:38

Or if you're like me, and you cut off the belt before thinking about removing the pulley, you can do something like this with a shock absorber preload adjuster wrench:

http://i280.photobucket.com/albums/kk182/motobuddha/6caf058c.jpg

(Man look at the crud on that engine.)

Title: Re: impact wrench front sprocket removal?
Post by wombat on 12/16/11 at 06:18:13

I've never used an impact wrench before. There seems to be a speed (torque?) adjustment with four settings. Which one should I use?

796F78657D68657E0A0 wrote:

Title: Re: impact wrench front sprocket removal?
Post by Serowbot on 12/16/11 at 08:51:50

Set for mostest!... That dude is a tough cookie... (lefty loosey)...

Title: Re: impact wrench front sprocket removal?
Post by MotoBuddha on 12/16/11 at 09:55:27

5A4C5B465E4B465D290 wrote:

Set for mostest!... That dude is a tough cookie... (lefty loosey)...

Not necessarily. There are several cases of the pulley splines wearing down. That can only happen if the pulley move on the shaft. If it can move on the shaft, it means the nut isn't tight enough, which means you might need to overcome only the friction of the locking gizmo built into the end of the nut.