Today's Message Index:
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1. 05:01 PM - Re: VM1000 Oil Pressure Sender (Vanremog@aol.com)
2. 05:38 PM - Princeton 18-5B-5S Fuel Senders Won't Calibrate... (Matt Dralle)
Message 1
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| Subject: | Re: VM1000 Oil Pressure Sender |
I've troubleshot my installation and all seems good according to the
Troubleshooting Guide from VM, but I am getting low readings from the oil
pressure system all of a sudden. If any lister has a spare unused P/N 3010018
Oil Pressure Transducer, I would be interested in borrowing it to further
confirm the problem.
A new sender fetches a princely sum of $400, so I want to be sure.
Thanks in advance.
N1GV (RV-6A Flying 936TTAE Silicon Valley, CA)
Message 2
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| Subject: | Princeton 18-5B-5S Fuel Senders Won't Calibrate... |
Dear Listers,
I installed Princeton 18-5B-5S Fuel Senders in the left and right fuel tanks with
Proseal (see attached). Last week I installed the wings permanently and today
I torqued all of the fuel lines from the wings to the fuselage. I got 21
gallons in 5.25 gallon increments ready to calibrate the 5-set point Princeton
probes today. They both powered up fine and started flashing the left light
indicating the Empty set point. I pushed the button once per the calibration
instructions to go to the 1/4 level. Instead of getting the #2 led flashing,
I get the all three LEDs flashing sequence indicating that probe "Can't be calibrated"!!!
From the installation manual: CAL Error (three flashing LEDs) - The probe failed
to calibrate. Possible causes: water in the tank (NO), inner brass rod is
shorted to the outside aluminum tube (PROBABLY), Alcohol in the fuel (NO), trying
to calibrate full first instead of empty (NO), or the probe electronics have
failed (MAYBE)." Yeah, you read all that right.
The best part of this story is that I Prosealed these babies in, installed the
wings, and now discover that both probes are defective or what even. How can
this fricken be? Its too late in the game for this. Replacing these stupid probes
is going to be a major pain not to mention the fact that likelihood of leaks
are now going to be high. I just can't believe it. This is so frustrating.
Why didn't the manual advise to check this long before now? Like before
they were installed, during installation, and right after installation before
the Proseal cured?
Oh, did I mention BOTH are bad? How can this be... How disheartening. Please
tell me I'm just mis-reading the calibration instructions...?
I'm going to go out on a limb here and say avoid these piles of garbage...
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com - Matt's RV-8 Construction Blog
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