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Failed Smiths oil pressure gauge #580400
08/06/19 01:07 PM
08/06/19 01:07 PM
Joined: Dec 2013
Posts: 953
Newton Abbot, South Devon UK
Felix42 Offline OP
Talk Morgan Regular
Felix42  Offline OP
Talk Morgan Regular

Joined: Dec 2013
Posts: 953
Newton Abbot, South Devon UK
The oil pressure gauge on my Roadster has stopped working. Seems an odd thing to happen. Anyone else had this experience?


John

Silver 2005 S1 Roadster V6 - Henrietta
Re: Failed Smiths oil pressure gauge [Re: Felix42] #580402
08/06/19 01:34 PM
08/06/19 01:34 PM
Joined: Dec 2013
Posts: 953
Newton Abbot, South Devon UK
Felix42 Offline OP
Talk Morgan Regular
Felix42  Offline OP
Talk Morgan Regular

Joined: Dec 2013
Posts: 953
Newton Abbot, South Devon UK
PS: Berrybrook say it is the gauge and not the sender or wiring etc


John

Silver 2005 S1 Roadster V6 - Henrietta
Re: Failed Smiths oil pressure gauge [Re: Felix42] #580429
08/06/19 04:16 PM
08/06/19 04:16 PM
Joined: Jul 2007
Posts: 17,851
Suffolk
John V6 Offline
Member of the Inner Circle
John V6  Offline
Member of the Inner Circle

Joined: Jul 2007
Posts: 17,851
Suffolk
No but my fuel gauge has a life of it's own.


JohnV6
2006 Indigo Blue Roadster S1
2014 Brooklands Edition Roadster "Brookland's Belle"
Re: Failed Smiths oil pressure gauge [Re: Felix42] #580498
09/06/19 08:07 AM
09/06/19 08:07 AM
Joined: Dec 2011
Posts: 304
South West France
C
CBY Offline
Learner Plates Off!
CBY  Offline
Learner Plates Off!
C

Joined: Dec 2011
Posts: 304
South West France
Hi,

Have a look to :

http://www.talkmorgan.com/ubbthreads.php/topics/189255/Re:_Oil_Pressures_Query#Post189255


Regards
2005 PLUS 4
Re: Failed Smiths oil pressure gauge [Re: Felix42] #580522
09/06/19 10:19 AM
09/06/19 10:19 AM
Joined: Dec 2013
Posts: 953
Newton Abbot, South Devon UK
Felix42 Offline OP
Talk Morgan Regular
Felix42  Offline OP
Talk Morgan Regular

Joined: Dec 2013
Posts: 953
Newton Abbot, South Devon UK
Very useful - thanks CBY.


John

Silver 2005 S1 Roadster V6 - Henrietta
Re: Failed Smiths oil pressure gauge [Re: Felix42] #580524
09/06/19 10:32 AM
09/06/19 10:32 AM
Joined: May 2010
Posts: 7,318
Llanelli
sospan Offline
Talk Morgan Guru
sospan  Offline
Talk Morgan Guru

Joined: May 2010
Posts: 7,318
Llanelli
Try Caerbont. They took over when Smiths closed the factory in Ystradgynlais.
www.caiguage.com


Red Plus8
Re: Failed Smiths oil pressure gauge [Re: Felix42] #580535
09/06/19 12:11 PM
09/06/19 12:11 PM
Joined: May 2015
Posts: 256
north yorkshire
L
Lowflyer Offline
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Lowflyer  Offline
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L

Joined: May 2015
Posts: 256
north yorkshire
I assumme that its one of those small gauges that is part of the 3 gauge set up as my 2011 plus 4.
The range of that gauge is 0 to 7Barg, the gauge requires a field resistance range of 10 ohms at 0 Barg to 180 ohms at 7Barg. If you have a suitable potentiometer you can substitute it in place of the pressure transmitter and vary the gauge reading, just connect one end to the spade you pull of the transmitter and one end to engine block (or suitable earth point). You will need a decent multimeter to read resistance.
Regarding the transmitter, ian at Caerbont told me that i required thier model number PTR - 3000 - BN - 10, the 10 indicating that it was 100PSIG transmitter (7 Barg in thier books!). I'm on my second one of these 7 barg transmitters and both have proved inaccurate by approx 1.0 barg at 4 to 5 barg, giving a reading of approx 6 to 6.5 barg which my engine does not kick out.
In furtherance to the above i ordered a transmitter from williams morgan and was sent a 4000 BN 160 which is a 160Psig transmitter. A conversation with Ian again revealed that Morgan always specify this transmitter, ie, the incorrect range for the gauge! However, it appears that the accracy of the 7Barg transmitter is questionable anyway, i tested against a small new bourden tube type gauge which i would assumme was more accurate than the electric transmitter and gauge set up that's on the car. Im not looking for National Physics Lab standards from this kit but would have thought that 5 to 10% accuracy was possible. My latest transmitter would appear to be reading around 25% high.

Re: Failed Smiths oil pressure gauge [Re: John V6] #580627
10/06/19 06:37 AM
10/06/19 06:37 AM
Joined: Jan 2014
Posts: 72
belgium
T
tom+4 Offline
Just Getting Started
tom+4  Offline
Just Getting Started
T

Joined: Jan 2014
Posts: 72
belgium
Originally Posted By John V6
No but my fuel gauge has a life of it's own.


Moderated by  Aeroman, Simon 

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