<VV> Changing the oil pressure switch on a turbo engine

[David S Malcolm]

I had a problem on my 110 with the flaps oil sender socket. A bit of 
research turned up a MAC SC40 which is about 1 1/4 wide but only for 1", 
then the next 1" is 3/4" in diameter, sort of like a layer cake with a 
very skinny top layer. Perhaps this would work (don't have a turbo to 
try it on).

David Malcolm



On 3/27/19 1:20 PM, Hugo Miller via VirtualVairs wrote:
> I'm not familiar with the layout, but have you tried a crow's foot 
> wrench?
>
> On 2019-03-27 16:56, Jim Simpson via VirtualVairs wrote:
>> Does anyone have any suggestions as to how to change the oil pressure
>> switch on a turbo engine?  I have a socket that is intended for the oil
>> pressure switch, but the oil feed  line to the turbo bearing comes up 
>> right
>> beside the oil pressure switch and there simply isn't enough room for 
>> it to
>> get in there.  That special socket is rather bulky -- thick walls and
>> pretty tall to clear the electrical connection on top.  Quick searches
>> on-line haven't shown any that seem significantly smaller.
>>
>> I could detach the oil feed line, but getting to it with the pressure
>> switch is a pain -- it looks as if I'd have to pull the alternator to 
>> get
>> to it from the side.
>>
>> I know it's possible -- I built this engine 20+ years ago and did 
>> install
>> both the oil line and pressure switch, but I don't remember just how 
>> I did
>> it.  (Most likely I used channel lock pliers on the oil pressure 
>> switch --
>> I don't think I had the socket at the time.  I was lucky in that I 
>> didn't
>> damage the pressure switch.)
>>
>> Any suggestions?
>>
>> Jim Simpson
>> Group Corvair
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