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Search: Posts Made By: Rockter
Forum: Diesel   03-04-2015
Replies: 11
Views: 935
Posted By Rockter
Re: How do I remove exhaust elbow plugs?


Which plug is it?.... point it out on this diagram.....

Volvo Penta Exploded view / schematic Cooling Syst, Induction and Exhaust Manifold. Seawater-cooled Engine. 2001, 2001B, 2001AG,...
Forum: Diesel   02-28-2015
Replies: 5
Views: 560
Posted By Rockter
Re: Re power choices for Sweden 36

Do not touch another Volvo. Later you will get savaged for spare part prices.
I would go for one of the top-flight Japanese motors.
They will probably rev higher, so you need to be ready for the...
Forum: Diesel   01-21-2015
Replies: 4
Views: 459
Posted By Rockter
Re: Fresh Water System Leak - Universal M2-12

Try to rig up a wee long line that you can connect to the primary (jacket) coolant, tie the line up high in the engine room or even up on to deck, tie it off firmly and fill the line to...
Forum: Diesel   01-13-2015
Replies: 40
Views: 2,306
Posted By Rockter
Re: Volvo MD7 Overheating but exhaust water cold?


When you take the thermostat out, you will see an entry port (the lower port is the entry port) for the coolant and an exit port. They can get scaled up. When the thermostat is closed...
Forum: Diesel   12-18-2014
Replies: 14
Views: 1,019
Posted By Rockter
Re: engine size?....

rapp :

It is because the boat is digging-in to the water and cannot plane.
Laying on extra power does not help much to go much faster than the so-called "hull speed". It goes a bit faster, but...
Forum: Gear & Maintenance   10-25-2014
Replies: 105
Views: 7,506
Posted By Rockter
Re: Turn that frown upside down! Lets talk NEW engines!


I would be very careful indeed about buying a marine diesel with an injection system dependent on a central processor, and ultra low contaminants fuel, no matter how efficient it is.
If the...
Forum: Engines   10-25-2014
Replies: 10
Views: 1,397
Posted By Rockter
Re: Fuel in oil on Yanmar 3GM


Just pump some of it out from the bottom of the tank and leave it to stand in a wee clear bottle.
You can assess the condition of it from that.
Some owners leave a wee bit of mirror in...
Forum: Diesel   10-19-2014
Replies: 8
Views: 810
Posted By Rockter
canal turbulence - a word of warning

In a wee Scottish canal. It had been raining and the canal water volumes were aggressive with lots of turbulence in the locks. We had the motor running on idle.
We motor out of one of them and in to...
Forum: Diesel   10-08-2014
Replies: 16
Views: 1,036
Posted By Rockter
Re: Westerbeke alternator regulator

Looks like you may have shed a brush in the alternator or lost continuity to the rotor. You are not energising the rotor. Can you open up the alternator and have a wee look?
It may be easy...
Forum: Diesel   09-28-2014
Replies: 13
Views: 1,520
Posted By Rockter
Re: Yanmar 2QM15 Cooling Maintenance

Pileus :

The motor is raw water-cooled, and with time, it tends to scale up somewhat. My old Volvo MD17C is also raw water-cooled, and after about 20 years I had to strip it (for other reasons...
Forum: Gear & Maintenance   09-06-2014
Replies: 62
Views: 3,557
Posted By Rockter
Re: High out put alternator

West :

I can recommend a small frame alternator from Ample Power, USA.
I bought it in Houston, in 1992, and it is still working fine here in the UK.
I also both their 3-step controller. It is...
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