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Fault in RPM & Engine Hour meter |
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Blaven 
Sub Lieutenant 
Joined: 07 October 2013 Location: London Status: Offline Points: 13 |
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 Posted: 03 February 2017 at 16:17 |
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Hi Ta'I Miti
I too would like to install a new meter and your solution seems ideal,however knowing little about electrical equipment I am hoping a picture or basic sketch will help me to identify the "w" terminal Engine is 3ym30 with 60 amp alternator coupled to sterling regulator Thanks Keith |
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cptgood
Commadore 
Joined: 26 August 2016 Location: Tuscany - Italy Status: Offline Points: 454 |
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Posted: 04 February 2017 at 11:02 |
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Hi,
where from did you get the + connection for the hourmeter? From the key switch, the alternator or somewhere else? thanks
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Hanse320 - Hull#127/08 - Wheel - ST headsail - Yanmar 3YM30 - SD20
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Forth2
Lieutenant Commander 
Joined: 23 October 2016 Location: Finland Status: Offline Points: 77 |
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Posted: 26 May 2017 at 14:09 |
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Here is one replacement tacho and hour meter that fits quite well in the Yanmar B-panel.
It is from swedish biltema, but the same meter is available from other brands also.   BR Mikael Hanse 315 - 2006 |
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Borjebus
Commander 
Joined: 29 January 2013 Location: Sweden W Status: Offline Points: 123 |
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Posted: 21 November 2018 at 07:51 |
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Too bad I didn't see your post in advance. I'm a frequent visitor to Biltema but never noticed that they sell things like this. I took the hard way and got a replacement tacho from a Yanmar dealer. The brand is Italian - San Giorgio S.E.I.N. and it's for "W" signal from the alternator.
I took the unit home to make the hour meter run to the old value. I thought by applying 12V to the tacho itself it would start counting. Nothing happens, it's still at 0.8 hours. Do I need to apply some kind of voltage, or frequency, to the tacho input to get the hours counting?
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BÄSK, Hanse 370e #82 from 2006, Yanmar 3JH4E/SD50, 3-blade Flexofold, RMC(Lewmar) 185 Bowthruster, Vulcan 9, Simrad+B&G instruments
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Vetnix
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Joined: 07 November 2018 Location: Skåne Status: Offline Points: 16 |
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Posted: 21 November 2018 at 21:28 |
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Hej, my front panel has been damaged and I tried to get a spare part in Sweden. They told me i have to replace all of it. My old instruments are useless according to them. About 1000€ just for a piece of plastik. To repair the Engine hour meter is easy. You will find a Youtube video to fix it. How much dit you pay for the original Yanmar spare part? (front panel incl. instruments) Regards. Vetnix
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jeb
Captain 
Joined: 05 May 2014 Location: Sweden Status: Offline Points: 339 |
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Posted: 21 November 2018 at 21:48 |
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If it's the hourmeter that is not working you can by a replacement LCD here: https://www.boatstuff.se/display-timraknare.html Hours are stored in the tachometer so no calibration is needed. Fits both Yanmar and Volvo.
499 sek is 50€. If you have some skills in electronics and software you can build your own replacement using an Arduino and a oled display for much less. |
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Jesper
Hanse 400e |
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Borjebus
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Joined: 29 January 2013 Location: Sweden W Status: Offline Points: 123 |
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Posted: 22 November 2018 at 08:29 |
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I actually only replaced the RPM/hour instrument, not the whole panel. The instrument was damaged by moisture - some times the RPM didn't move and the hour meter was at the end never visible. I tried the method found on Youtube but I was not successful.
The Yanmar replacement part (Italian brand now) works well but cost a lot. I would however recommend the Biltema instrument for pricing reasons and not replace the whole panel if other things works OK. For the winter I brought the whole panel home to make the hour meter run to the correct value. The problem is that I can't get the hour meter to move just by applying 12V to the instrument itself. Do I need to also have some frequency on the "W" input?
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BÄSK, Hanse 370e #82 from 2006, Yanmar 3JH4E/SD50, 3-blade Flexofold, RMC(Lewmar) 185 Bowthruster, Vulcan 9, Simrad+B&G instruments
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Vetnix
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Joined: 07 November 2018 Location: Skåne Status: Offline Points: 16 |
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Posted: 22 November 2018 at 15:48 |
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Hej Forth2, there is still a RPM counter available. But without the hour meter. Art nr. 25-8039 for 599 SEK. Mayby they made some changes in the katalog 2018. What about Mekonomen? Regards Vetnix
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Borjebus
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Joined: 29 January 2013 Location: Sweden W Status: Offline Points: 123 |
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Posted: 22 November 2018 at 18:24 |
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The Biltema webpage actually shows that article WITH hour meter. I got a response from the Italian manufacturer of my instrument - I need apply BOTH 12V power and a frequency to the "W" input to make the hour meter run :).
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BÄSK, Hanse 370e #82 from 2006, Yanmar 3JH4E/SD50, 3-blade Flexofold, RMC(Lewmar) 185 Bowthruster, Vulcan 9, Simrad+B&G instruments
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Forth2
Lieutenant Commander
Joined: 23 October 2016 Location: Finland Status: Offline Points: 77 |
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Posted: 22 November 2018 at 18:43 |
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Hej.
This meter probably fits. Only 50 eur this week. https://www.marinea.fi/ecms-kierroslukumittari-0-4000-lcd-naytolla-85-mm-musta Micke |
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