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  #1  
Old 05-26-2020, 07:48 PM
JKevin JKevin is offline
 
Join Date: Aug 2015
Location: West Liberty, Kentucky
Posts: 112
Default Haste makes Waste - Oil Filter Edition

Looking for some advice...

I was changing my oil filter last night and got careless cutting the safety wire to the oil filter. I managed to tear the tab on the accessory case that has the hole for the safety wire. So there is no hole for safety wiring the oil filter in place now.

As a best I could do at the time, I ran the safety wire around the boss for the oil temp sender. It's secure, just not the way Lycoming planned it.

So as I see it my options going forward are:
-continue to wire around the base of the boss for the oil temp sender
-JB weld a small piece of tubing where the old safety wire hole was
-remove accessory case and repair via weld+drill, or replace acc case (I REALLY don't want to do this)
-don't use safety wire - has anyone ever REALLY had an oil filter fall off? Never had one fall off my car.
-something else I haven't thought of?

Any advice would be greatly appreciated.

FWIW O-360 on RV-6

Last edited by JKevin : 05-26-2020 at 08:06 PM. Reason: correction
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  #2  
Old 05-26-2020, 08:03 PM
swjohnsey swjohnsey is offline
 
Join Date: Nov 2018
Location: Kingsville, TX
Posts: 398
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I don't safety wire the oil filter on my IO-360/RV-4.
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  #3  
Old 05-26-2020, 08:33 PM
John RV8 John RV8 is offline
 
Join Date: Feb 2005
Location: Watauga, TX
Posts: 160
Default Safety wire

That is pretty common issue, just keep running the wire around the oil temp sensor.
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  #4  
Old 05-26-2020, 08:35 PM
JDeanda JDeanda is offline
 
Join Date: Apr 2013
Location: Ventura, CA
Posts: 277
Default Ah,That Thing

Yeah, I?ve seen lots of these fragile things torn out over the years. I don?t recall breaking any myself, but I?ve been very careful, especially since they almost always belonged to someone else. No big deal, just safety to the temp boss, just like you did. I don?t think I?ve ever seen an oil filter on an aircraft that wasn?t safetied. I?ve also never seen an oil filter come loose on a car, and I?ve never even heard of anybody safetying one on a car. Maybe it?s just professional momentum, but I always safety them on airplanes. The consequences of one coming loose could ruin somebody?s whole day.
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  #5  
Old 05-26-2020, 08:42 PM
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Carl Froehlich Carl Froehlich is offline
 
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 3,276
Default

As a side note, an experienced A&P taught me early on with my first RV to use 0.032? wire for the oil filter, not 0.040?. The smaller wire is less likely to wear out the engine retaining tab.

Carl
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  #6  
Old 05-26-2020, 09:09 PM
JDeanda JDeanda is offline
 
Join Date: Apr 2013
Location: Ventura, CA
Posts: 277
Default Yup!

Carl, here, hear!
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  #7  
Old 05-26-2020, 09:29 PM
F1R F1R is offline
 
Join Date: Nov 2010
Location: ____
Posts: 912
Default

Forget the safety wire on the filter.

Use the 3/4 turn after gasket contact method. Then use a marker pen to put a witness mark on the filter OD that lines up with some feature on the filter mount flange, that you can SEE when you preflight , every time you check your oil level.
After a few oil changes and pre flight inspections you will gain confidence that the filter does not back off.

Robinson Helicopter officially no longer requires safety wire on the oil filters of their Lycoming engines. You should be OK
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  #8  
Old 05-26-2020, 10:30 PM
lr172 lr172 is offline
 
Join Date: Oct 2013
Location: Schaumburg, IL
Posts: 6,735
Default

Quote:
Originally Posted by swjohnsey View Post
I don't safety wire the oil filter on my IO-360/RV-4.
same here. Just like I don't safety wire the oil filter on my car. Time has proven over 100's of millions of vehicles that they don't come off if installed properly. An aircraft filter is pretty much identical to their auto counterparts, as well the mating piece on the block.
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Last edited by lr172 : 05-26-2020 at 10:32 PM.
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  #9  
Old 05-26-2020, 10:48 PM
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Pilot135pd Pilot135pd is offline
 
Join Date: Jan 2019
Location: Vaca Moo Airport - TA37 in East TEXAS
Posts: 1,505
Default

My RV8 with Titan 0-360 has been flying with a WIX 51515 oil filter without a safety wire for over 10 years.
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  #10  
Old 05-27-2020, 01:13 AM
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rv8ch rv8ch is offline
 
Join Date: Feb 2005
Location: LSGY
Posts: 4,333
Default

Quote:
Originally Posted by Pilot135pd View Post
My RV8 with Titan 0-360 has been flying with a WIX 51515 oil filter without a safety wire for over 10 years.
Probably time to change that filter!
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