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Help with a Wright 3350 Compound turbo engine.

 
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lsmith



Joined: 21 Jan 2012
Posts: 4

PostPosted: Sat Jan 21, 2012 19:41    Post subject: Help with a Wright 3350 Compound turbo engine. Reply with quote

I recently purchased this engine which was cosmolened. Im having trouble getting it to turn by way of the engine inertia starter. Will I have to wrench it from the propshaft etc? I also need a propshaft wrench. any help would be nice. I have hot washed the engine and now I feel more comfortable getting near it.
Any pictures on how to make an engine service stand?

Thanks in advance.
andrew
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ckuhns



Joined: 13 Jul 2003
Posts: 35

PostPosted: Sun Jan 22, 2012 07:58    Post subject: Reply with quote

Andrew,On ebay here is listed a P&W and Wright crank shaft turning tool. I do not know if it the proper one for a TC18.
http://www.ebay.com/itm/Pratt-and-Whitney-Wright-Radial-engine-crankshaft-wrench-P-N-1225-19-long-/250970834456?hash=item3a6f070618&item=250970834456&pt=Motors_Aviation_Parts_Gear&vxp=mtr
What model TC18 do you have?
Regards Carl
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lsmith



Joined: 21 Jan 2012
Posts: 4

PostPosted: Sun Jan 22, 2012 12:20    Post subject: CR 3350 Reply with quote

Carl thanks for the ebay listing URL but this wrench will not work for me. The shaft size is only 2 3/8" when the 3350 prop shaft is 4.5"
I do not know where the model number would be located so maybe you could help me there.
I also need a cylinder base screw wrench for this engine.
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ckuhns



Joined: 13 Jul 2003
Posts: 35

PostPosted: Mon Jan 23, 2012 07:44    Post subject: Reply with quote

Here is an ebay listing for a cylinder base nut wrench.
http://www.ebay.com/itm/CURTISS-WRIGHT-RADIAL-ENGINE-CYLINDER-BASE-NUT-WRENCH-/110813040879?hash=item19ccf8d0ef&item=110813040879&pt=Motors_Aviation_Parts_Gear&vxp=mtr
Concerning the ID of your TC18 if the data plate is missing perhaps the information in a TC18 article on the AEHS web site would be useful.
Carl
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rkammlott



Joined: 26 Jul 2004
Posts: 47
Location: Teaneck NJ

PostPosted: Mon Jan 23, 2012 07:50    Post subject: Reply with quote

I got my canned 4360 turning by putting a propeller on with 1 blade and carefully strapped on a comealong and pulled it through. I had to soak the cylinders for a few days. There was preservative EVERYWHERE!!
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