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Torque setting

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jhankin(at)planters.net
Guest

Posted: Fri May 01, 2009 7:07 am Post subject: Torque setting

Help!!  

   

I know someone can help—I need to know the torque value of the bolts used to hold the 447 “B” gearbox together.  

   

There are six bolts: Hex Screws # (2) 8X125, (2) 8x110, (2) 8x65.  

   

I have a oil drip and I want to re-torque these bolts first.  If this doesn’t fix the problem I will replace the gasket.  

   

Also need the torque value for the prop bolts, Tennessee wooden prop.  

   

Where can these torque values be found.  

   

Jimmy Hankinson  

FF035, N6007L  

325 Hours  

Pegasus Field  

Rocky Ford, Ga.  

912 863 7384  

   

       [quote][b]

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aslsa.rng(at)gmail.com
Guest

Posted: Fri May 01, 2009 7:14 am Post subject: Torque setting

Jimmy, Go to the Illustrated Parts Catalogue. It has torque requirements for every screw or bolt used by Rotax.



Rick



On Fri, May 1, 2009 at 10:06 AM, Jmmy Hankinson <jhankin(at)planters.net (jhankin(at)planters.net)> wrote:

  	  Quote: 	
		               

Help!!  

   

I know someone can help—I need to know the torque value of the bolts used to hold the 447 “B” gearbox together.  

   

There are six bolts: Hex Screws # (2) 8X125, (2) 8x110, (2) 8x65.  

   

I have a oil drip and I want to re-torque these bolts first.  If this doesn’t fix the problem I will replace the gasket.  

   

Also need the torque value for the prop bolts, Tennessee wooden prop.  

   

Where can these torque values be found.  

   

Jimmy Hankinson  

FF035, N6007L  

325 Hours  

Pegasus Field  

Rocky Ford, Ga.  

912 863 7384  

   

       ==== get="_blank">http://www.matronics.com/Navigator?Kolb-List tp://forums.matronics.com _blank">http://www.matronics.com/contribution  [/b] 	


[b]

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herbgh(at)nctc.com
Guest

Posted: Fri May 01, 2009 7:33 am Post subject: Torque setting

well....I went to the Tenn Prop site , thinking I would find their recommendation...no luck...Memory tells me that it is 10 to 12 ft lbs... Herb 



 

 At 10:06 AM 5/1/2009, you wrote:

 [quote]Help!!

  

 I know someone can helpI need to know the torque value of the bolts used to hold the 447 “B” gearbox together.

  

 There are six bolts: Hex Screws # (2) 8X125, (2) 8x110, (2) 8x65.

  

 I have a oil drip and I want to re-torque these bolts first.  If this doesn’t fix the problem I will replace the gasket.

  

 Also need the torque value for the prop bolts, Tennessee wooden prop.

  

 Where can these torque values be found.

  

 Jimmy Hankinson

 FF035, N6007L

 325 Hours

 Pegasus Field

 Rocky Ford, Ga.

 912 863 7384

  

 

 [b]

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Thom Riddle

Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)

Posted: Fri May 01, 2009 8:56 am Post subject: Re: Torque setting

LEAF's most recent parts catalog (2007-2008 Resource Guide) has table of torques for the various engines on page 91. It lists the torques for bolts based on diameter with an exception list by part number below that. I've attached an image of the top of that page.

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Rotax 2-stroke torque specs.pdf

Description:

Rotax 2-stroke torque specs (LEAF catalog).

Download

Filename:

Rotax 2-stroke torque specs.pdf

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2.52 MB

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_________________
Thom Riddle
Buffalo, NY (9G0)

Don't worry about old age... it doesn't last very long.
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cristalclear13

Joined: 19 Sep 2007
Posts: 363
Location: Southeast Georgia

Posted: Sat May 02, 2009 6:29 pm Post subject: Re: Torque setting

 	  jhankin(at)planters.net wrote: 	
		  Help!!  

I know someone can helpâ€”I need to know the torque value of the bolts used to hold the 447 â€œBâ€ gearbox together.

There are six bolts: Hex Screws # (2) 8X125, (2) 8x110, (2) 8x65.

I have a oil drip and I want to re-torque these bolts first.  If this doesnâ€™t fix the problem I will replace the gasket.

Also need the torque value for the prop bolts, Tennessee wooden prop.  

Where can these torque values be found.

  

Jimmy Hankinson

	




Jimmy,



I took the Rotax 2 stroke class last month.  They provided a repair manual.  In the manual when it talks about reassembling the B gearbox it says:



"Attach cover with 6 hex hd screws M8 and spring washer and tighten crosswise to 24 Nm (210 in. lb.)"



Where exactly is it leaking?  



I'm sure you know this, but the oil is to be filled only to the lower drain plug.  When I first checked my plane after buying it they had filled it up too much.

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_________________
Cristal Waters
Kolb Mark II Twinstar Rotax 503 DCSI Sept 2007 - sold Sept 2012
Private Pilot Aug 2008
ELSA Repairman for N193Y April 2008
Rotax 2 stroke maintenance April 2009

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