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  #1  
Old 07-07-2022, 10:29 AM
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Rick_A Rick_A is offline
 
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Default Do you safety your oil filter?

The thread about re-useable oil filters got me thinking about the practice of using safety wire on the oil filter and if it is really necessary.

I use to do it all the time but I rarely do it any more. It seems like a waste of time and effort. It always takes a lot of force to loosen a filter that has been torqued to 15 ft lbs.

Is this just a out dated practice that's done because "it's the way it's always been done"? Maybe it dates back to a time when filters were more apt to loosen on their own?

(I was going to create a poll but couldn't figure out how to do it)
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  #2  
Old 07-07-2022, 10:32 AM
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I always safety wire the oil filter. AFAIK, it's still considered "best practice" in the aviation maintenance world. I'm not near expert enough to know whether or not it's necessary, but I try to be careful to not let the "Experimental" category lead me to cut corners and deviate from accepted safety practice.
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Last edited by MacCool : 07-07-2022 at 10:34 AM.
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  #3  
Old 07-07-2022, 10:40 AM
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16-18 ft/lbs is the correct #.
I safety customers filters so they don't freak out, but not my own.
I suspect some folks may not want to publicize their use of 'non-standard' practices, however the latest "trend" of using 'non-approved' cleanable filters makes it irrelevant, I guess?
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Last edited by Walt : 07-07-2022 at 10:46 AM.
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  #4  
Old 07-07-2022, 10:53 AM
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This comes up from time to time. It seems that at least one helicopter manufacturer no longer recommends safety wire on the oil filter.

It's pretty easy to do, adding about 2 mins to the oil change process. I'm not really seeing a downside, but I've never read a crash report that was caused by the oil filter coming off.
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  #5  
Old 07-07-2022, 11:26 AM
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Default

It would be interesting to see a poll on this.
Personally I always do it even though I broke out the "easy" (top) safety wire hole on the engine casting years ago, and now I always have to do it with the "impossible" (bottom) one. Just because, I'd feel pretty stupid if I didn't and the thing came loose and all the oil came out.
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  #6  
Old 07-07-2022, 11:31 AM
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Do they safety wire a filter on the Harley Davidson? Trust me, noting vibrates and shakes more than those things.
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  #7  
Old 07-07-2022, 12:01 PM
swjohnsey swjohnsey is offline
 
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I don't. I follow the K&N recommendation a tighten touching plus 3/4 turn.
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  #8  
Old 07-07-2022, 12:06 PM
Bavafa Bavafa is offline
 
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Quote:
Originally Posted by swjohnsey View Post
I don't. I follow the K&N recommendation a tighten touching plus 3/4 turn.
I think 3/4 turn is way too much. I go 1/4 turn which comes to about 16-17ft/lb. And I always use safety wire. Considering the consequences, it is worth the additional 5 minutes work.
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  #9  
Old 07-07-2022, 12:16 PM
abwaldal@gmail.com abwaldal@gmail.com is offline
 
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Here we go again.
""""Anybody got the popcorn.""""
No, I do not and have driven over a million miles (road) without a safety wire and have never had it happen or heard of anybody loosing a filter. And lightening may strike me to night, But, I use automotive filters on my I0360 too. They have a higher burst pressure than the "aircraft" filters.
If I ever sell my airplane I will put an aircraft filter on it and safety wire for looks.
That said, it really only takes a few minutes to do.
And with an automotive filter it is even faster, using the hose clamp method.
Unless some guy named "Willy" I know didn't even tighten it in the first place.
Your luck may vary Art
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  #10  
Old 07-07-2022, 12:30 PM
FireMedic_2009 FireMedic_2009 is offline
 
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Default Oil filter burst pressure

If you worry about an oil filter bursting you have other major problems going on with the engine
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