Re: [Amel Yacht Owners] Re: Volvo/Autoprop not making rated RPM..advice please

Richard Piller <richard03801@...>

Hi, Also keep in mind that on the Volvo Penta TMD 22 the turbo needs to run from time to time to stop in from carboning up.. if you don't run the thing at something over 2700 from time to time you'll be right back to no power... If changing the injectors was the issue I'd also take a close look at how you are filtering the fuel... I know that Volvo says to use a 10 üm pre filter however a 2 will work. We use two filters that can be switched when one fills with dirt without having to bleed the injectors... that way you change the first filter and when number two goes well just change back... we also added a Delco electric low pressure 12v pump to help the lift pump.. to both the engine and gen set. They work well and are cheep.. you can get them at any Delco parts store..
good luck
Richard and Joan on SM 209 in Genoa Italy..

--- On Fri, 8/22/08, Annsofie <> wrote:

From: Annsofie <>
Subject: [Amel Yacht Owners] Re: Volvo/Autoprop not making rated RPM..advice please
Date: Friday, August 22, 2008, 3:50 AM
We have a Super Maramu built 1998, and we hade the same
problem with
our Volvo Penta, maybe it could be the same on a Yanmar.
We did do as Ann&John SM #319 suggested but it
wasn't enough. Then we
hade the nozzels/injectors changed. And we had no more

Jonas and Annsofie
Lady Annila

--- In,
"jlucmertz" <jlmertz@...>

hello Niels Faerch

We have exactly the same problem with our TMD22 it run
only at 2400
rpm (tubo is ok etc..)

Did you solve your problem ? at what RPM are you now
running ?


--- In,
> We're only getting 2400RPM
with wide open throttle. The
> as is the underbody. This means
we are only capable of
> around +/- 60% of rated power say
around 50-ish HP.
> Is is everyone accepting this or
are you getting your
props re-
> prop?
> Would I be better off changing to
a regular adjustable
> feathering prop?
> Thanks

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have been removed]

Hello Niels,
The owners manual for my Yanmar 75HP
recommends that if the
has been on a light load for a while that it
should be run up
revs to burn off the carbon build up on the
turbo fan. This
done several times until white smoke is
cleared from the
Having done that it is important to let the
engine tick over
for a
minute or so before turning it off so that
the fan bearings etc
cooled/cleansed with > oil rather than leaving
the burnt oil to
in place. It also > recommends injecting a
water/soap spray from
to time but I have> not been brave enough to
try this!

Best wishes, Anne and John,
SM 319

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