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Matco Nose Axle Torquing

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philperry9(at)gmail.com
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Posted: Sun Nov 21, 2010 4:22 pm Post subject: Matco Nose Axle Torquing

I'm getting prepared to put the plane up on the gear soon and was mounting the nose wheel to the fork today.



I have the replacement Matco Axle and wheel and the sweet-spot to preload the bearings isn't real obvious on their setup.  

 

I tightened the nut as tight as I could get it by hand and besides having quite a bit of drag, the bearing seal creeps along (slowly) with the wheel.



 I could tighten the nut to the next locking spot.  But to do that it will take some Channel Locks to spin the nut and I feel like that would be way too much load on the bearings.

 

Have others who have gone hand-tight and still allowed the seal to creep along with the wheel been happy with the (Long-Term) results?  Or should I just crank this baby down?



Phil



  [quote][b]

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philperry9(at)gmail.com
Guest

Posted: Mon Nov 22, 2010 9:36 am Post subject: Matco Nose Axle Torquing

Follow-up on the question I posted last night:



I just got off the phone with Matco and thought I'd pass along some information that is not included in their documentation.



1) The wheel halves should be torqued to 99 inches.  This is more than a standard AN-4 bolt (50-70 inches).

 

2) Hand tight is probably too tight.  You should be able to get the seals to hold position (when rotating the wheel in the correct direction) before reaching the maximum you can tighten by hand tight.



3) Be sure to lubricate the seals and mating surfaces with grease, this will help them hold position.

 

4) Once you put weight on the nose wheel, the friction of the bearing will help hold the seals in place too.



5) Make sure there is no grease between the seal and the nut.  This friction will help hold the seal in place.

 



Just thought I'd pass these nuggets of knowledge along to the group.  I'm going let the air out of mine tonight and re-torque it to 99 inches.  Then try the grease tricks to see if that works.



Tim, you might want to add a few of these nuggets to your site.

 

Phil





On Sun, Nov 21, 2010 at 6:14 PM, Phillip Perry <philperry9(at)gmail.com (philperry9(at)gmail.com)> wrote:

[quote] I'm getting prepared to put the plane up on the gear soon and was mounting the nose wheel to the fork today.



I have the replacement Matco Axle and wheel and the sweet-spot to preload the bearings isn't real obvious on their setup.  

  

I tightened the nut as tight as I could get it by hand and besides having quite a bit of drag, the bearing seal creeps along (slowly) with the wheel.



 I could tighten the nut to the next locking spot.  But to do that it will take some Channel Locks to spin the nut and I feel like that would be way too much load on the bearings.

  

Have others who have gone hand-tight and still allowed the seal to creep along with the wheel been happy with the (Long-Term) results?  Or should I just crank this baby down?



Phil



[b]

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Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Mon Nov 22, 2010 9:56 am Post subject: Matco Nose Axle Torquing

Thanks Phil,

I'll try to get that in there soon.

Tim



Tim Olson - RV-10 N104CD

do not archive

On 11/22/2010 11:30 AM, Phillip Perry wrote:

 	  Quote: 	
		   Follow-up on the question I posted last night:



 I just got off the phone with Matco and thought I'd pass along some

 information that is not included in their documentation.



 1) The wheel halves should be torqued to 99 inches.  This is more than a

 standard AN-4 bolt (50-70 inches).



 2) Hand tight is probably too tight.  You should be able to get the

 seals to hold position (when rotating the wheel in the correct

 direction) before reaching the maximum you can tighten by hand tight.



 3) Be sure to lubricate the seals and mating surfaces with grease, this

 will help them hold position.



 4) Once you put weight on the nose wheel, the friction of the bearing

 will help hold the seals in place too.



 5) Make sure there is no grease between the seal and the nut.  This

 friction will help hold the seal in place.

 Just thought I'd pass these nuggets of knowledge along to the group.

 I'm going let the air out of mine tonight and re-torque it to 99

 inches.  Then try the grease tricks to see if that works.



 Tim, you might want to add a few of these nuggets to your site.



 Phil





 On Sun, Nov 21, 2010 at 6:14 PM, Phillip Perry <philperry9(at)gmail.com

 <mailto:philperry9(at)gmail.com>> wrote:



     I'm getting prepared to put the plane up on the gear soon and was

     mounting the nose wheel to the fork today.



     I have the replacement Matco Axle and wheel and the sweet-spot to

     preload the bearings isn't real obvious on their setup.



     I tightened the nut as tight as I could get it by hand and besides

     having quite a bit of drag, the bearing seal creeps along (slowly)

     with the wheel.



       I could tighten the nut to the next locking spot.  But to do that

     it will take some Channel Locks to spin the nut and I feel like that

     would be way too much load on the bearings.



     Have others who have gone hand-tight and still allowed the seal to

     creep along with the wheel been happy with the (Long-Term) results?

     Or should I just crank this baby down?



     Phil



 *



 *

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