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  1. #1
    Join Date
    Apr 2008
    Location
    Kinsale, Cork,Ireland
    Posts
    40

    Default Volvo Penta DP-G Outdrive

    i having an issue with Both my outdrives when trying to lift them . When I push the down button they work fine.When I push the up button nothing happens. If I turn the ignition off and back on they work. I sometimes have to do this a few times to get to them completely lifted. I have tried changing the relay switch's around and still the same problem. The readings when lifting the legs Used to go from -5 to +40. now they just go form a red light flashing to +20. Any ideas where I should start.

  2. #2
    Join Date
    Apr 2007
    Location
    Mallorca
    Posts
    611

    Default Re: Volvo Penta DP-G Outdrive

    I would suggest checking the trim wheel and rack.

  3. #3
    Join Date
    Apr 2007
    Location
    midlands
    Posts
    7,368

    Default Re: Volvo Penta DP-G Outdrive

    Sounds like the potentiometer has failed, remove it and turn it to see if the reading changes .

  4. #4
    Join Date
    Apr 2008
    Location
    Kinsale, Cork,Ireland
    Posts
    40

    Default Re: Volvo Penta DP-G Outdrive

    Hi Paul , thanks for the reply, where do I find the potentiometer?

  5. #5
    Join Date
    Apr 2007
    Location
    midlands
    Posts
    7,368

    Default Re: Volvo Penta DP-G Outdrive

    Quote Originally Posted by frenzy View Post
    Hi Paul , thanks for the reply, where do I find the potentiometer?
    Top of steering hood , so under the metal pipe from turbo to intercooler.
    You will see a fork held in place by a 13 mm head bolt , take out the bolt and fork , lift out the pot sensor, do t disconnect the plug and twist while someone is at the helm .

  6. #6
    Join Date
    Apr 2008
    Location
    Kinsale, Cork,Ireland
    Posts
    40

    Default Re: Volvo Penta DP-G Outdrive

    Quote Originally Posted by volvopaul View Post
    Top of steering hood , so under the metal pipe from turbo to intercooler.
    You will see a fork held in place by a 13 mm head bolt , take out the bolt and fork , lift out the pot sensor, do t disconnect the plug and twist while someone is at the helm .
    Just been to the boat. I disconnected both the fork and the bolt on each leg. Twisted Both the sensors as suggested and The the readings changed as I moved them. the legs did lift a small bit when I put pressure on the sensor. But only sometimes. Do you think that both sensors are faulty. Also with regards to the sensors , how do you completely remove them as they seem to be too big to remove.

  7. #7
    Join Date
    Oct 2006
    Location
    Éire
    Posts
    3,589

    Default Re: Volvo Penta DP-G Outdrive

    Quote Originally Posted by frenzy View Post
    Just been to the boat. I disconnected both the fork and the bolt on each leg. Twisted Both the sensors as suggested and The the readings changed as I moved them. the legs did lift a small bit when I put pressure on the sensor. But only sometimes. Do you think that both sensors are faulty. Also with regards to the sensors , how do you completely remove them as they seem to be too big to remove.
    One of my DP-G sensors failed. It would behave fine most of the time, but when cruising along the readings on the display would go erratic (might go from 0 - 6 up and down) - I just replaced the sensor and no problems since.

    On my Cranchi Smeraldo 37, I had to file back a tiny section of the transom right above the sensor. How they fitted it, I don't know... i'm guessing it was all assembled on the transom shield and then fitted to the transom as a whole unit. It wasn't a big deal as access was easy, but a nuisance none the less.

  8. #8
    Join Date
    Apr 2008
    Location
    Kinsale, Cork,Ireland
    Posts
    40

    Default Re: Volvo Penta DP-G Outdrive

    Hi Alt, Thanks for the reply.

    When you say a tiny section, how much did you have to file ? Looking at mine I’d say I would have to file at least a centimetre. There is already a cut out section that should allow it but it’s not enough.

  9. #9
    Join Date
    Mar 2004
    Posts
    6,095

    Default Re: Volvo Penta DP-G Outdrive

    dont understand this sensor issue, my DPE leg went up / down just fine with the sensor not rotating at all.
    plastic wheel busted by the barnies when i got the boat.
    all fixed now, so the display works again, but no difference to the leg moving ......

  10. #10
    Join Date
    Apr 2008
    Location
    Kinsale, Cork,Ireland
    Posts
    40

    Default Re: Volvo Penta DP-G Outdrive

    Quote Originally Posted by simonfraser View Post
    dont understand this sensor issue, my DPE leg went up / down just fine with the sensor not rotating at all.
    plastic wheel busted by the barnies when i got the boat.
    all fixed now, so the display works again, but no difference to the leg moving ......
    H Simon,

    I think the potentiometer (sensor) is faulty as advised by Volvo Paul. The up circuit goes from the trim switch through the potentiometer and to the up relay on my drive (DP-G) The down circuit goes directly from the trim switch to the down relay. Just found that information on line. So i think that would explain the reason my drive would lower and not lift. Ordered new potentiometer and going to fit. still the big question of removing the old one without hacking a section of the transom.

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