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rparigoris
Joined: 24 Nov 2009
Posts: 805
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 Posted: Tue Feb 16, 2010 11:54 pm Post subject: How to ground rempte mounted VDO oil pressure gauge. |
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I plan to remote mount my VDO oil presssure sender. Since the hose is non conductive I need to somehow get a ground to unit.
Any ideas welcomed.
Thx.
Ron Parigoris
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rlborger(at)mac.com
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| Posted: Wed Feb 17, 2010 4:40 am Post subject: How to ground rempte mounted VDO oil pressure gauge. |
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Ron,
I mounted my oil pressure sensor on a piece of aluminum angle that was bolted to the top of the passenger foot well. Ran a 20 ga black wire from one of the mounting bolts up to the firewall ground block. 20 ga is way overkill, but it's what I had on hand and the 0.1 oz of extra weight didn't seem like too great a penalty.
Bob Borger
On Wednesday, February 17, 2010, at 01:54AM, "rparigoris" <rparigor(at)suffolk.lib.ny.us> wrote:
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kevann(at)gotsky.com
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| Posted: Wed Feb 17, 2010 5:46 am Post subject: How to ground rempte mounted VDO oil pressure gauge. |
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I remote mounted the oil pressure sender on the footwell using SS braid
hose. It is mounted with an adel clamp. I put a brass T before the sender
for a pressure switch for the Hobbs, which has a ground tab connected to the
forest of tabs on the firewall.
If I were to do it again, I would consider the new sender (honeywell I
think) that Rotax uses. I know the 912 needs it to get the 2000hr tbo
blessing. Not remote mounting would eliminate some hose and weight, simpler.
Kevin
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rlborger(at)mac.com
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| Posted: Wed Feb 17, 2010 7:35 am Post subject: How to ground rempte mounted VDO oil pressure gauge. |
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Thx. for the reply. How is the sender electrically connected, and how is the sender mechiasnically mounted to your bracket?
Thx.
Ron Parigoris
"> I mounted my oil pressure sensor on a piece of aluminum angle that was
| Quote: | bolted to the top of the passenger foot well. Ran a 20 ga black wire from
one of the mounting bolts up to the firewall ground block. 20 ga is way
overkill, but it's what I had on hand and the 0.1 oz of extra weight
didn't seem like too great a penalty."
|
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rlborger(at)mac.com
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| Posted: Wed Feb 17, 2010 8:30 am Post subject: How to ground rempte mounted VDO oil pressure gauge. |
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| Quote: | Hi Ron,
No, did not tap the the aluminum bracket. Just added a couple washers between the bracket and the female union to hold it all in place when the union was screwed up tight. No spacer. Just lots of tight mechanical connection to make the ground through the bracket. It's one thing that has worked properly from first startup. That is, after I filled the connecting oil line with oil first. Can't be any entrapped air.
Bob
On Wednesday, February 17, 2010, at 09:54AM, <rparigor(at)suffolk.lib.ny.us> wrote:
Hi Bob
"Here's where the installation of the remote sensor installation is documented:
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http://www.europaowners.org/forums/gallery2.php?g2_itemId=67636"
It appears you may have tapped your aluminium bracket and that is how you are getting electrical ground to the mounting bracket mounting screw? Did you perhaps put a thin nut between sender and bracket? Perhaps a spacer that sandwisches the sender and bracket to make the electrical connection?
Thx.
Ron Parigoris
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rlborger(at)mac.com
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| Posted: Sun Feb 21, 2010 1:02 pm Post subject: How to ground rempte mounted VDO oil pressure gauge. |
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Hi Ron,
I took some pics of the remote oil pressure sender yesterday while I was doing the firewall aft part of the annual.
Perhaps they will help:
[img]cid:DB16B534-486A-4AFE-A8BF-83A2F608ACAB[/img]
BTW, that's not a third black wire, it's a shadow of the signal wire.
[img]cid:23F30C2C-F6F1-41E0-8D0E-C98D6E5FB8A1[/img]
The three washers provide a nice tight clamping of the sensor and still allow the NPT threads of coupling to seal properly.
I hope this helps.
Bob Borger
Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
http://www.europaowners.org/N914XL
Aircraft Flying!
3705 Lynchburg Dr.
Corinth, TX 76208
Home: 940-497-2123
Cel: 817-992-1117
On Feb 17, 2010, at 9:12, rparigor(at)suffolk.lib.ny.us (rparigor(at)suffolk.lib.ny.us) wrote:
| Quote: | Hi Bob
Thx. for the reply. How is the sender electrically connected, and how is the sender mechiasnically mounted to your bracket?
Thx.
Ron Parigoris
"> I mounted my oil pressure sensor on a piece of aluminum angle that was
| Quote: | bolted to the top of the passenger foot well. Ran a 20 ga black wire from
one of the mounting bolts up to the firewall ground block. 20 ga is way
overkill, but it's what I had on hand and the 0.1 oz of extra weight
didn't seem like too great a penalty."
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