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Yak 52TW Starting problems

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isaligman(at)saligman.com
Guest

Posted: Fri Feb 29, 2008 7:19 am Post subject: Yak 52TW Starting problems

We had been having  problems starting our 52TW, it would always start but seemed difficult to get  the engine up to a steady idle.  Often we found a lot of fuel in the lower  cylinder drain valve.  

  

 We found that the  nozzle which sprays primed fuel into the system was clogged and appeared to be  dripping fuel down the manifold rather than atomizing it.   

  

 Has anyone had a  similar experience?  

  

  

  

   Ira  Saligman

  

 o   610 940  0420 

 c   610  324 5500

 f    215 243 7699

  

 isaligman(at)Saligman.com (isaligman(at)Saligman.com)

  	  Quote: 	
		     

 	




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mark.bitterlich(at)navy.m
Guest

Posted: Fri Feb 29, 2008 2:56 pm Post subject: Yak 52TW Starting problems

I had almost the same experience.  Turned out I had a leaking primer

hose that was leaking underneath the fire shield cloth and was hard to

see.  



Try this for a test.  Next time you prime the engine, leave the primer

handle turned and do not center it.  Start the engine.  This will allow

fuel to continue to come through the priming line and the engine will

run very rich, but will help it to continue to run.  Once the engine is

firmly running, put the primer handle to vertical.  



When I looked mine, there was no "atomizing nozzle" Ira, just a straight

line that screws into the manifold.  



If you have the lower cylinder drains... Yes, there is ALWAYS extra fuel

in there when you prime.  



Mark Bitterlich

 



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