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engine shutter vane adjustment

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keithmckinley

Joined: 11 Aug 2008
Posts: 434

Posted: Mon Oct 19, 2009 1:12 pm Post subject: engine shutter vane adjustment

The engine control knob for my shutter vanes does not feel right. Almost like I'm working against a bad spring. It's hard to turn. I can really only get full open or full closed. Any where else but the exact middle position and vanes move open or closed on their own. They usually won't stay in the mid position either. (knob spins) Looked at the linkage and don't see any issues. I know there are detents on the knob that should allow it to stay in place at many different settings but mine will not hold.



Ideas?



Thanks

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dougsappllc(at)gmail.com
Guest

Posted: Tue Oct 20, 2009 8:12 am Post subject: engine shutter vane adjustment

Keith,It could be many things, worn center ring screws, worn center ring holes where the long pivot bolts go through, worn long pivot bolts, bad wobblers (small cam at the bottom of each vane).  It could also be a kinked cable, or loose clamps.  If I were to bet on any one item it would be worn wobblers, but without actually seeing your shutters it is impossible for me to say for sure.  I carry 100% of the parts of the shutters in stock.  Contact me off line if you need help.

 



Always Yakin,

Doug



On Mon, Oct 19, 2009 at 2:12 PM, keithmckinley <keith.mckinley(at)townisp.com (keith.mckinley(at)townisp.com)> wrote:

  	  Quote: 	
		  --> Yak-List message posted by: "keithmckinley" <keith.mckinley(at)townisp.com (keith.mckinley(at)townisp.com)>

  

 The engine control knob for my shutter vanes does not feel right. Almost like I'm working against a bad spring. It's hard to turn. I can really only get full open or full closed. Any where else but the exact middle position and vanes move open or closed on their own. They usually won't stay in the mid position either. (knob spins) Looked at the linkage and don't see any issues. I know there are detents on the knob that should allow it to stay in place at many different settings but mine will not hold.

  

 Ideas?

 

 Thanks

 

 --------

 Keith McKinley

 700HS

 KFIT

 

 

 

 

 Read this topic online here:

 

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-- 

 Douglas Sapp

Doug Sapp LLC

18B Riverview Road

Omak WA 98841

PH 509-826-4610

Fax 509-826-3644

 

  [quote][b]

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barryhancock

Joined: 09 Oct 2008
Posts: 285

Posted: Wed Oct 21, 2009 5:10 am Post subject: Re: engine shutter vane adjustment

Another thing it could be is simply the spring is missing from the knob assembly, and/or it's assembled wrong (wrong washers, etc). Good luck!

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_________________
Barry Hancock
Worldwide Warbirds, Inc.
www.worldwidewarbirds.com

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