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Old 06-17-2017, 08:33 PM   #1
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Default Need old Lycoming part numbers and or parts

I am assembling an early O360 and some of the pushrod tube retainer parts are missing. From Figure 6-4 in the OH manual they are 19,20 and 21. I think I can source the parts if I get the part numbers but if anyone has them lying around I need 4 of #19, 2 of # 20 and 4 of #21. I'll try to post the page.


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Old 06-17-2017, 08:56 PM   #2
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The springs have been superseded by LW-14995, the locking tab is LW-12272. The spacer is 69345; I have seen some folks use two thick AN960 washers.


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Old 06-17-2017, 09:06 PM   #3
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Neil,

part numbers found on a 2011 Avantext CD, figuring that an early O-360 is a narrow deck case engine.

-20 LW-14995, Spring, shroud tube

-21 LW-12272, Lockplate, shroud tube

-19 spacer....... P/N ? .......looks like a standard washer ?

Bob
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Old 06-17-2017, 09:07 PM   #4
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looks like taildraggerpilot beat me to the answer while I was searching the CD
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Old 06-17-2017, 09:31 PM   #5
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Thanks guys.

The spacers is what I had the real problem with. Looked like a couple of 960 washers would do the trick. Maybe 2 960s and a 960L. Guess I'd really just like to know how thick it is suppose to be.

I did finally find the old part numbers. The spring was 68517 and the lock was 68518.
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Old 06-17-2017, 09:43 PM   #6
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A google search for "Lycoming 69345" results in a link to Aircraft Specialties Services, $2.10 each.
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Old 06-17-2017, 10:07 PM   #7
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The spacer in all narrow deck engines I ever fooled with was one AN 960 washer. The locking plate(s) used to be included in the gasket kit from Superior.
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Old 06-18-2017, 12:28 AM   #8
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There are locking plates in the gasket sets but they are for the dog bone shaped retainer.
the retainer spring I have is rectangular and I don't know if the LW14995 spring will work with the old style tubes that are with this engine. I know they are the superseded part number but the tubes may be superseded as an assembly. The old part number for the clip is 68517 and the lock plate is 68518. I'll post a picture of the tubes later. I've never seen any like this, but there is a lot I haven't seen.
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Old 06-18-2017, 12:51 AM   #9
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Who's your parts supplier? Maybe the folks like El Reno or ??? who deal in old stock parts might have what you need.
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Old 06-18-2017, 12:54 AM   #10
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This is the tube and spring. I found the parts at Univair.
Early pushrod tube.jpg  
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Old 06-18-2017, 01:09 AM   #11
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the current spring p/n LW-14995

It looks like the radiused flange at the end of the spring mates with the end of the tubes.
AEL14995_n__02411_1359172084_1024_1024__71959_1470087387_1024_1024.jpg  
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Old 06-18-2017, 02:22 AM   #12
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I was thinking that too. Will just have to find one and see if it works with the old tube.
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Old 06-19-2017, 12:07 AM   #13
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Found Service instruction No. 1277A which states that the LW14995 retainer spring only works with the LW11485 shroud tube and not the ones I have.
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Old 06-19-2017, 12:56 AM   #14
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If you can't find the old springs, there are plenty of the current model tubes on ebay.

Bob
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Old 06-19-2017, 01:15 AM   #15
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Univair has the old stuff, so I found what I needed. Didn't cost quite as much as replacing the tubes would have cost.


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