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Thread: Old U.S. Gauge Oil Pressure and Temp. Combo

  1. #1

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    Old U.S. Gauge Oil Pressure and Temp. Combo

    Hi folks,

    I have some trouble with an U.S. Gauge Oil Pressure and Temperature indicator. Oil temp. never worked since we purchased the plane, the previous owner cut the capillary line and added an ugly VDO temp. instrument. Oil Pressure worked fine on our U.S. Gauge instrument.
    Since we wanted to clean up our panel and make a new one I sent the U.S.Gauge to the U.S. for a repair. Repair plus 2 times shipping (Germany to US and back) plus taxes...I ended up with a >400$ bill and waitet over 7 weeks. Then it came back with a new capillary.
    I was surprised that the temp unit showed nothing (below 40°F) when it was here in my desk because I thought it should show room temperature. I contacted the guys who took my money and they said it has to be in the airplane to show the correct temperature...Well I installed it and took it for a flight, it still shows nothing. I'm a bit pissed at this point.

    The repair guys told me that it may have been shaken to much during shipping so it's calibration is way off and I have to send it back. Of course I am not very interested in having another 7 weeks downtime. Is it possible to calibrate it by ourself? Is this whole shipping bounced the calibration off scenario realistic?

    Thanks in advance
    Patric

  2. #2
    supercub's Avatar
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    Let me check my GPS, gee how'd we ever navigate with those sectional things?
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    Keystone Instruments in Lock Haven rebuilt that instrument for me a few months ago. So I know they can do it. They could probably answer your question regarding calibrating it yourself. Mine registered room temp without being installed too. Good Luck.

  3. #3
    behindpropellers's Avatar
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    I'm curious who repaired it?
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  4. #4

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    Quote Originally Posted by behindpropellers View Post
    I'm curious who repaired it?
    I don't know who repaired it...I sent it to Wagaero and they sent it to somebody they work with. My only contact was with Wagaero
    Thanks bowenjo thanked for this post

  5. #5
    Steve Pierce's Avatar
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    Mine gets shakin' quite a bit being flown by me and it keeps working. I would keep after them to make it right. These people have always done me a good job. http://antiqueinstrument.com/
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  6. #6

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    A quick check is to put the bulb in boiling water and see if the gauge reads close to 212F. Test works if the gauge is in the plane or on the work table. I check them before installation to save a few cusswords.
    You can't get there from here. You have to go over yonder and start from there.

  7. #7

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    Quote Originally Posted by N86250 View Post
    A quick check is to put the bulb in boiling water and see if the gauge reads close to 212F. Test works if the gauge is in the plane or on the work table. I check them before installation to save a few cusswords.
    I tried that when I got it back...it showed nothing, the needle didn't move. I asked wagaero if thats normal, they answered that is has to be connected to the engine...didn't make sense to me but I tried it....nothing.

  8. #8
    behindpropellers's Avatar
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    Quote Originally Posted by Patric_L View Post
    I tried that when I got it back...it showed nothing, the needle didn't move. I asked wagaero if thats normal, they answered that is has to be connected to the engine...didn't make sense to me but I tried it....nothing.
    I would get my money back from Wagaero and send it to antique instrument.

    Tim
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  9. #9

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    capillary tube probably has a leak, they are filled with all sorts of temperature sensitive chemicals like Tricholoroethelene or ether which are nasty. No option to repair yourself. Good luck, Tim

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