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

[Frank DuVal]

Some sockets do fit much better. I have also turned one down on a lathe recently. 

Curious, if the socket won’t fit, how are you getting Channelocks in there?

Frank DuVal

> On Mar 27, 2019, at 1:47 PM, Harry Yarnell (Verizon) via VirtualVairs <virtualvairs at corvair.org> wrote:
> 
> Channel locks looks like the 'best' option.
> Done carefully, you won't damage the switch.
> 
> 
> -----Original Message-----
> From: VirtualVairs [mailto:virtualvairs-bounces at corvair.org] On Behalf Of
> Jim Simpson via VirtualVairs
> Sent: Wednesday, March 27, 2019 12:57 PM
> To: Virtual Vairs
> Cc: Jim Simpson
> Subject: <VV> Changing the oil pressure switch on a turbo engine
> 
> 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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