Today's Message Index:
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1. 07:44 PM - Holy Bat-Fuck Robin (Gary Vogt)
2. 07:48 PM - (Gary Vogt)
3. 09:59 PM - Re: Holy Bat-Fuck Robin (Mel Beckman)
Message 1
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| Subject: | Holy Bat-Fuck Robin |
I just spent an hour REMOVING an oil filter.
About the only thing that would have helped would have been the old style strap
type oil filter remover. I didn't have one.
I started out using vise grips with a 7/8 inch wrench as a breaker bar
extension. I got the nut on the filter pretty much rounded off. Then, I got a
24 inch screw driver and punched through the oil filter. With both working at
the same time, I was able to turn the filter about 1/4 turn. Then, it stuck
again and all I did was end up tearing the oil filter. I then punched all the
way through and was able to turn it about another 1/8 turn. Then I punched a
new hole an inch from the other but this time all the way through. I was able
to turn the filter another 1/4 turn. So, now I used the holes on the bottom and
pushed the screw driver through. With the vise grip and the 7/8 inch wrench, I
was able to get it another 1/2 turn. From there, I used the vise grip and was
able to turn the filter. The filter did not come off the gasket for another
turn. This filter was so seriously over tightened that there is no describing
it.
PEOPLE, YOU DO NOT NEED TO TIGHTEN THE FILTER PAST GASKET CONTACT PLUS 1/2 TURN.
IT WILL NOT LEAK. IT WILL NOT COME OFF.
See pics.
This isn't the first filter I've had to resort to extreme measures to remove.
This is the tightest one though.
Message 2
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http://www.youtube.com/watch?v=k4edfQ4vvLs&NR=1
Message 3
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| Subject: | Re: Holy Bat-Fuck Robin |
Gary,
It sounds like whoever installed the filter either over-torqued it or didn
't use DC-4 lubricant, or both. Alas, this means that you may now have a war
ped filter adapter plate (the Lycoming engine maintenance manual talks about
this). You should check the plate for warpage as soon as possible -- before
the next flight. The filter may not leak for a while, but then suddenly giv
e way, result in an engine fire or even catastrophic engine failure.
I always use an automative-type filter along with a 12-point 7/8" socket on t
he hex end of the filter to get a double grip on the filter, but sometimes t
hat's not enough and you have to use the filter piercing trick. The hex end i
s just sheet metal, so I would avoid any kind of crushing tool like a vise g
rip. A great strap wrench that lets you use any 3/8" socket wrench as a hand
le is the Plews-Edelmann 70635:
http://www.hardwareandtools.com/Plews-Edelmann-70635-Oil-Filter-Wrench-62894
09.html
Lycoming also recommends Dow Corning DC-4 compound as a filter gasket lubric
ant rather than engine oil. This makes an astounding difference in ease of r
emoval, and DC-4 is cheap: $15 for a lifetime supply from AC Spruce.
Your idea about only tightening the filter past the gasket plus 1/2 turn isn
't a good one, though. Lycoming calls for a specific torque, I believe 18 to
22 foot lbs on the O-360, and cautions about over-torquing leading to adapt
er plate warpage. I know you didn't cause this filter's problem, but your me
thod could result in either under or over torque when replacing the filter.
I once had massive smoke in the cockpit immediately after takeoff due to an o
il filter failure after change. I landed OK, and the engine wasn't damaged, b
ut I pay real close attention now to Lycoming's recommendations.
-mel
On Mar 11, 2011, at 7:35 PM, Gary Vogt <teamgrumman@yahoo.com> wrote:
> I just spent an hour REMOVING an oil filter.
>
> About the only thing that would have helped would have been the old style s
trap type oil filter remover. I didn't have one.
>
> I started out using vise grips with a 7/8 inch wrench as a breaker bar ext
ension. I got the nut on the filter pretty much rounded off. Then, I got a
24 inch screw driver and punched through the oil filter. With both working
at the same time, I was able to turn the filter about 1/4 turn. Then, it s
tuck again and all I did was end up tearing the oil filter. I then punched a
ll the way through and was able to turn it about another 1/8 turn. Then I p
unched a new hole an inch from the other but this time all the way through.
I was able to turn the filter another 1/4 turn. So, now I used the holes o
n the bottom and pushed the screw driver through. With the vise grip and th
e 7/8 inch wrench, I was able to get it another 1/2 turn. =46rom there, I u
sed the vise grip and was able to turn the filter. The filter did not come o
ff the gasket for another turn. This filter was so seriously over tightened
that there is no describing it.
>
> PEOPLE, YOU DO NOT NEED TO TIGHTEN THE FILTER PAST GASKET CONTACT PLUS 1/2
TURN. IT WILL NOT LEAK. IT WILL NOT COME OFF.
>
> See pics.
>
> This isn't the first filter I've had to resort to extreme measures to remo
ve. This is the tightest one though.
>
> <IMG_0759.jpg>
> <IMG_0761.jpg>
> <IMG_0763.jpg>
> <IMG_0766.jpg>
> <IMG_0767.jpg>
> <IMG_0769.jpg>
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