Recommendations for diesel mechanic (cummins)

Hi all
am looking for any recommendations for a diesel mechanic - prefably someone who has worked on Cummins

cheers


Posts: 26

Date Joined: 26/05/15

Pleasure Marine

Mon, 2019-11-18 13:55

I've got Cummins and we're about to shift our business to these guys.

Damo is apparenty the man and has been highly recommended to us from within the industry.

Cheers Greg

Posts: 3950

Date Joined: 01/02/10

 I've used Damo for Volvo

Mon, 2019-11-18 14:52

 I've used Damo for Volvo stuff and found him to be extremely helpful and knowledgable. 

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Does anyone know where the love of god goes, when the waves turn the minutes to hours?

z00m's picture

Posts: 1079

Date Joined: 10/05/14

Another Plus 1 for

Mon, 2019-11-18 21:48

 Another plus 1 for Damo and the guys at Pleisure Marine. Always professional, freindly and great attention to detail. Like the other week I had my boat in there for service and they even changed the earth lead connector on the motor as it showed some signs of corrosion and 'wasn't to their standards'.  They work on squillion dollar yachts and still took this level of care on my little 23ft trailer boat.

Posts: 425

Date Joined: 23/04/14

Marmino Marine

Mon, 2019-11-18 21:38

Paul Marmino is excellent. Former Cummins mechanic and supervisor; best guy in Perth for Cummins marine diesels. 

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pelagicyachts's picture

Posts: 969

Date Joined: 23/02/11

thanks guys i have a pair of

Tue, 2019-11-19 08:50

thanks guys
i have a pair of 6bt's (new to me boat) and one is running ~10 degrees hotter than the other - at WOT its running up towards ~95 degrees (according to the gauges) where as the other does not - raw water strainers are clean and heat exchangers have just been done - so am thinking its possibly impellor or thermostat but want to get someone on to it
cheers

Posts: 40

Date Joined: 10/12/15

 I am dealing with something

Tue, 2019-11-19 09:17

 I am dealing with something similar at moment not as extreme but mine looks to be dodgy earth on the gauge still testing though same thing cummins 6BTA , my gauge was reading slightly high then low then normal but flicks not a constant change and the gearbox pressure gauge below it does it also 

pelagicyachts's picture

Posts: 969

Date Joined: 23/02/11

thanks mate - mine is more

Tue, 2019-11-19 10:35

thanks mate - mine is more consistent with an engine getting warm - at:
1500rpm both engines 80 degrees
2300rpm port is 80 and starboard is 90
2500rpm port is 80/82 and starboard started rising above 90 and up to 95+ so i backed off

Doesnt go up rapidly, probably took 5 minutes to increase from 90-95 but was conitnually rising....

Posts: 40

Date Joined: 10/12/15

mine generaly sit about 86C

Tue, 2019-11-19 13:11

mine generaly sit about 86C to 88C   at 2200rpm the water temp seems to make a slight difference I noticed with the warmer water at the moment   over heating on these engines is above 96C I have been told 

pelagicyachts's picture

Posts: 969

Date Joined: 23/02/11

thumbs up thanks - have put

Tue, 2019-11-19 13:22

thumbs up thanks - have put a call in to Paul

Posts: 425

Date Joined: 23/04/14

Blockage

Tue, 2019-11-19 13:27

I have QSB5.9's (electronic version of the 6BT).  When all is good with the cooling system they sit rock solid on 81 degrees.  Maybe rise to 82-83 at WOT.  Anything outside of that is almost certainly an indication of a blockage or lack of flow.  95 is high temp alarm.

First thing I'd check is the raw water impeller.  Should be relatively easy to check and replace if anything is not right.

When you say the heat exchangers were done, what exactly do you mean?  Acid flushed, or removed, opened up and clean the tube bundles, caps etc?  Also do your engines have aftercoolers as well as heat exchangers?  If so then they need to be removed and cleaned every couple of years as well.

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pelagicyachts's picture

Posts: 969

Date Joined: 23/02/11

Hi mate thanks for the detail

Tue, 2019-11-19 14:38

Hi mate
thanks for the detail - no after coolers on mine, the heat exchangers were removed and tubes cleaned with new end caps fitted.

I have a few spare impellers so will start with that but regardless am getting Paul to go over them as well

cheers