I am in the process of changing AVRs on three matching, paralleling 200kW diesel generators on a ship. The new AVRs have an additional option the original AVR did not have. On the original AVR the LAM (load acceptance module) reduces active load to offset decreased engine speed due to load. On...
I know the answer to this question but I need some ammunition to argue my point with my boss. We have a small (58-meter) ocean-going ship, 6 years old, and the original galvanized steel pipe used in the sea water (fire and bilge) circuit is starting to develop pinhole leaks at the welds. The...
Mike - no truer words have ever been spoken! I like the cook-it-till-it-smokes procedure, haven't tried that one yet. We just spent 3 guys X 3 hours looking for an amp in a cabin deckhead only to find the cables run down inside a wall and the amp was on the floor of the bathroom, under the sink...
Actually, I don't need to find an open. The wire is terminated, but I don't know where. That is what I need to find. I have a cheap tone generator on board, but I can only get it to work on an open circuit. Am I missing something really simple?
Thanks for the answers everyone.
itsmoked - this small ship (200') is a private yacht so all the cable runs are in deckheads and behind walls that are very high quality woodwork, marble, etc. Stuff that isn't designed to be taken apart easily.
catserveng - the fluke sounds like a useful...
Is there any sort of fox-and-hound type wire tracing device I can use to find the other end of a 2-core, terminated, potential-free cable?
I have a series of sensors that join at a junction box somewhere (this is on a small ship) but I don't know where the junction box is and I need to find it...
We have discovered serious pitting on the main propulsion shafts of a 165’ ocean-going boat that has been in the water for only one year. The spec for the shafts is 431 stainless. We need to replace the pitted shafts, but we don’t know what type of stainless to spec for the replacements. On...
Thanks Mike - I have used DeAngelo in the past and will do so again. The only problem is this project is in Italy. What spec SS would you recommend for exhaust elbows?
Thanks
Tony Schultz
I am currently involved in a new ship construction. The vessel has three Kohler generators powered by John Deere (marinised) diesel engines. The diesel exhaust is cooled by sea water injected into the exhaust elbow just after the turbo. The shipyard has had to move the sea water injection point...
Can anyone advise if there is an industry-wide standard for organizing maintenance on ships, sytem-by-system?
For example:
10.0 Main engines
10.1 Fuel system (main engines)
20.0 Diesel generators
20.1 Fuel system (diesel generators)
30.0 Hydraulic systems
40.0 Refrigeration and Air Con.
I am...
