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crankshaft tools

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stokesc(at)wildblue.net
Guest

Posted: Tue Aug 11, 2009 10:41 pm Post subject: crankshaft tools

I want to remove the crankshaft in my 582 grey head C box to inspect it

 and replace the seals.

 Is there any way to dis assemble the engine without using the specific rotax pullers?

 They are detailed in the LEAF and CPS catalogs.

  

 Cecil in N. Idaho

 Kitfox IV 1050 582 grey head C gear box GSC prop

  

  

  [quote][b]

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napierm(at)cisco.com
Guest

Posted: Wed Aug 12, 2009 7:06 am Post subject: crankshaft tools

Hey Cecil,



What you want is a harmonic balance puller.  It needs to be a good one

with hardened threads.



Then you need to go by a good hardware store and get the bolts to match

the flywheel and the mag ends.



Warning: If you screw the bolts too far into the magneto end you will

ruin the lighting coil.



Also, you will have to brace against the puller itself while tightening

to keep it from rotating. Don't use the crankshaft fixation pin for this

as the torque could tweek the crankshaft off alignment.



Also, buy the Rotax protection mushrooms.  I think they are like $20

each but otherwise you will ruin the crankshaft ends.



You can use the exhaust manifold to align the cylinders when you put it

back together.  Also watch the length of the 4 bolts that hold the RV

cover in place.  If you put the longer bolts in the bottom and start

tightening the bolts will bottom out against the bottom casting and

break off the mounting lug.  The bottom casting now has to be welded.



BTW, there is very little inspection that can be done on that

crankshaft.  The roller bearings that are in the bottom end of the

connecting rod can only be seen through a small slit.  If any damage or

corrosion is in there I doubt you can see it.



Also note that the design of the crank changed in the mid 90's.  They

went to a larger journal and bearings in the connecting rod. To allow

for this the bottom of the connecting rod is machined to allow clearance

to the crankcase.  The original connecting rod is not machined and

matches the rest of the rod.  It was a weaker design.



FWIW,



Mark Napier



Time: 11:41:46 PM PST US

Subject: crankshaft tools

From: Cecil Stokesberry <stokesc(at)wildblue.net>



I want to remove the crankshaft in my 582 grey head C box to inspect it

and replace the seals.

Is there any way to dis assemble the engine without using the specific

rotax

pullers?

They are detailed in the LEAF and CPS catalogs.



Cecil in N. Idaho

Kitfox IV 1050 582 grey head C gear box GSC prop

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akflyer

Joined: 07 May 2007
Posts: 574
Location: Soldotna AK

Posted: Wed Aug 12, 2009 10:43 am Post subject: Re: crankshaft tools

you still need the rotax gear puller for the PTO end to change the seal.  I broke down and bought one for changing the gear ratio on mine.

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_________________
DO NOT ARCHIVE
Leonard Perry aka SNAKE
Soldotna AK
Avid "C" / Mk IV
582 (147 hrs and counting on the rebuild)
IVO IFA
Full Lotus 1450
#1 snake oil salesman since 1-22-2009

I would rather die trying to live, than to live trying not to die....

napierm(at)cisco.com
Guest

Posted: Thu Aug 13, 2009 7:14 am Post subject: crankshaft tools

The harmonic balance puller is what I used to pull the flywheel from the

PTO of my 582 also with a C box.



I didn't use the fixation pin as I didn't want to put that much torque

on the crank.  Instead I just used another bar lever in-between two of

the bolts to push against while tightening the puller.



When you changed the gear ratio how did you pull the big gear off of the

output shaft?



Best Regards,



Mark



Time: 11:46:50 AM PST US

Subject: Re: crankshaft tools

From: "akflyer" <akflyer_2000(at)yahoo.com>

you still need the rotax gear puller for the PTO end to change the seal.

I broke

down and bought one for changing the gear ratio on mine.



--------

DO NOT ARCHIVE

Leonard Perry aka SNAKE

Soldotna AK

Avid &quot;C&quot; / Mk IV 

582 IVO IFA

Full Lotus 1450

#1 snake oil salesman since 1-22-2009



hander outer of humorless darwin awards

Read this topic online here:



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akflyer

Joined: 07 May 2007
Posts: 574
Location: Soldotna AK

Posted: Thu Aug 13, 2009 11:13 am Post subject: Re: crankshaft tools

the rotax puller.  I made a jig to hold the prop flange, then heat the gear up as it has red locktite on it.  the rotax puller will pop it right off.  I will be doing it again this time home going back to my 2.62 gears as i had better performance out of them.

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akflyer

Joined: 07 May 2007
Posts: 574
Location: Soldotna AK

Posted: Thu Aug 13, 2009 11:15 am Post subject: Re: crankshaft tools

and I may have lied to you.. I know on a "B" box you dont have to pull the pinion gear off the crank to change the seal.  I cant remember if the "C" gear is larger though.  I will check it out when I get home next week and see if you can just slip the new seal on over the pinion gear.

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JetPilot

Joined: 10 Jan 2006
Posts: 1246

Posted: Thu Aug 13, 2009 4:43 pm Post subject: Re: crankshaft tools

 	  akflyer wrote: 	
		  



the rotax puller....

 

#1 snake oil salesman since 1-22-2009



	




How much does the Rotax puller cost ???



Has it been that long already ?  How time flys 



Mike

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_________________
"NO FEAR" - If you have no fear you did not go as fast as you could have !!!

Kolb MK-III Xtra, 912-S

stokesc(at)wildblue.net
Guest

Posted: Thu Aug 13, 2009 7:48 pm Post subject: crankshaft tools

Go on the CPS (California Power Systems) Web site and order their catalog.

 It is full of very useful info.   www.800-airw2lf.com

 or

 www.leadingedgeadirfoils.com their catalog is very good but smaller.

  

 Both are rotax dealers with detailed descriptions and pictures of parts and tools.

  

 Cecil

 



 

 On Thu, Aug 13, 2009 at 5:43 PM, JetPilot <orcabonita(at)hotmail.com (orcabonita(at)hotmail.com)> wrote:

 [quote]--> Kitfox-List message posted by: "JetPilot" <orcabonita(at)hotmail.com (orcabonita(at)hotmail.com)>

 



akflyer wrote:

 	  Quote: 	
		  



 the rotax puller....



 #1 snake oil salesman since 1-22-2009


	




How much does the Rotax puller cost ???



Has it been that long already ?  How time flys 

 

Mike



--------

"NO FEAR" -  If you have no fear you did not go as fast as you could have !!!



Kolb MK-III Xtra, 912-S





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