Boat Fault Finding - General Technical Problems

Finding canal boat faults - general faults.

Fault Finding

Tony Brooks is an expert on Marine Diesel Engine & Boat Maintenance matters. Thanks to him and TB-Training for permission to reproduce these materials.

 We've got Faultfinding Checklists and over 150 answers to problems in the sections listed far right.

If you have a canalboat problem.

Tony may answer, time permitting, your problems concerning UK canalboat mechanical and electrical issues - Tony cannot answer questions about sea-going or overseas craft. Give him plenty of details about the problem, its background and your equipment. And don't be too impatient, remember this is a FREE service! Contact him via his website.

CANALBOAT FAULTS
General Problems
Electrical Problems
Propulsion Problems
Engine Problems
Cooling Problems
Smoke Problems
Faultfinding advice
SMELLY HOLDING TANK
I have a fifty foot ex hire narrow boat built around 1980. We have a problem with a cabbage like smell coming from the toilet holding tank. Do you think that if I fitted a vent to the top of the tank that this would cure my problem? Click to see answer
 
NARROWBOAT CORROSION
Just before xmas I took my lovely 55' steel narrowboat perseverance into drydock and had her pressure washed. Was horrified to see big blotches (up to an inch) bright silver in colour. Click to see answer
SPRINGER BLACKING
I have just purchased a Springer Waterbug. The boat is a 89 model and had her hull blacked and topside painted in Sept 2003, when would I have to re-black her ...?  Click to see answer
WATER SYSTEM PROBLEMS
I've been looking at the Canal Junction website and found your address and I'm hoping you can help me. I seem to have a problem with my water system on my narrow boat. There are two problems which I'm assuming are unrelated but I'm not sure! Click to see answer
DIESEL TANK FOR STOVE
I am planning to install a diesel stove in the forward (saloon) area of my boat. Is there any value in fitting a plastic tank in a forward, steel, locker - specifically for the stove? Will that be to advantage when the  legislation on diesel for cruising hits us? Click to see answer
HEATING SYSTEM PROBLEM
On my 1 year old Calcutt built Narrowboat I have excess water leaking from the pressure valve on the calorifier. I have watched the system and the water gushes out after a tap has been turned on then turned off.  Click to see answer
TILLER PROBLEM
I have a 1983 colecraft 40 ft narrowboat. My problem is when I am cruising in a straight line the tiller wants to go to the right, it takes considerable force to hold it straight. Click to see answer
SOLID FUEL STOVE
My partner and I recently bought a narrow boat. There is a multi fuel burner on board that has a 4inch flue. When we moved on the wooden ceiling was touching the flue, that is there was no clearance around it. ...now I'm worried that this will not be safe. Click to see answer
NARROWBOAT CORROSION
Hi I am the owner of a Narrowboat and am interested in preventing electrolytic corrosion. I have read lots of articles by people who obviously don't know anything real so I am anxious to communicate with an expert, can you help please? Click to see answer
WATER INSIDE BOAT
Hello, we have been living on a 63ft narrow boat for the last year and yesterday discovered about an inch of water lying under the floor boards in the hull. Help! Click to see answer
HEATING SYSTEM LEAK
I have an Eberspacher diesel hydronic unit. I'm getting a little frustrated now because I know I'm losing water somewhere - just not sure where from? Click to see answer
HULL WATER LEAK
We are first time boat owners, having recently purchased a small cruiser. We haven't taken the boat out for about 6 weeks. We went to check on it last week and found about 2 inches of water in the galley area.  Click to see answer
GARDNER WATER HEATING
I have a Gardner 3LW engine fitted in my narrowboat and would like to use the engine to heat the water in the twin coil calorifier. However ... this is not recommended. Click to see answer
DAMP BILGES IN GRP CRUISER
My partner purchased a 25' Buckingham cruiser a few month ago. The people who we had it from moved the table approximately 18" further into the boat, yesterday we discovered that the carpet was wet where the original table had been, do we have a problem? . Click to see answer
FUEL BUG IN ENGINE
I recently broke down on the River Lee and was told by a mechanic that I have a ' fuel bug' in my engine. The resulting slime etc blocked my fuel lift pump inlet valve. I was told that I simply need to buy an additive which will sort this out. Click to see answer
HULL BLACKING
I took the opportunity to give the hull another coat of bitumastic. In some areas I was probably a bit too generous and now, 3 months later, it's starting too peel off below the water line.  Click to see answer
PLASTIC FUEL TANKS?
I am busy installing two 25 gal plastic truck diesel tanks in the engine section of the cruiser style boat. They are brand new Iveco tanks. Is this OK or is plastic a no-no?   Click to see answer
WATER SUPPLY PROBLEMS
I have ... a pressurised water system with an outlet in the galley and another in the heads. I bought a new Whale Universal pump (recommended for two outlets) this season. The water flow in the galley is strong but not nearly so strong in the heads where it passes through a flexible shower hose.  Click to see answer
WATER SUPPLY PROBLEM
The water ran through to the taps but the supply only lasted for a matter of a minute before drying up. Once the tap had been turned off for a couple of minutes and then back on the water again only ran for about a minute. Click to see answer
INSTALLING A CALORIFIER
Is it possible to use a hot water calorifier with a direct cooled engine. I have a 20 Hp SABB direct cooled engine, that I would like to use to heat a 20Litre calorifier. Must I convert the engine to indirect cooled first?
 Click to see answer
ASSESSING HULL CONDITION
I am considering buying a narrow boat. How can I examine the condition of the hull when the vessel is in the water? How often should boats be removed for hull maintenance and what form should that maintenance take?
 Click to see answer
DRAINING WATER SYSTEMS
We are first time owners of a 40' narrowboat. During the recent frost we had a burst pipe in the gas water heater and the marina said that we should have drained the system first. I suspect they are pulling my leg as I am told this can be done by opening the taps and blowing down the shower hose! Click to see answer
RUST ON NEW HULL
We have bought a new boat, delivered April. Within a few weeks rust was bubbling out through the blacking, the boatbuilder agreed to take the boat out and cleaned and blacked with one coat. Now six weeks later the rust is worse than ever ... Click to see answer
SKIN TANK SIZE
Visited Canal Junction site where it's suggested you're just the chap I need to talk to. I'm having a narrowboat built shortly. The builder provides a engine coolant tank between one of the engine beds and the surface of the swim one side ( say approx 3ft long and 8 inches .... Click to see answer
SUITABLE TOOLS
My Father recently attended your Boat Maintenance Course. He will be travelling on a Canal boat with a Nanni Diesel engine. I am looking to buy some tools to start up his tool box for the boat. In the documentation he brought away from the course there are some suggestions that I have looked. ... Click to see answer
FRESH WATER PUMP PROBLEM
Just a quick question about my narrowboats fresh water system. ... the water pump kept operating, for a split second, about every 20 minutes or so. I checked all the obvious possibilities, taps, connections, etc. for leaks but could find nothing wrong. ... Click to see answer
NARROWBOAT BOTTOM BLACKING
I am getting conflicting advice on the blacking of the bottom of the narrowboat hull. Some say black it, others are telling me there's no point as the bottom of the canal in shallow waters will take it off anyway. I'd appreciate your views on this. ... Click to see answer
WATER PUMP LEAKING
I have a flojet water pump which is leaking (slightly). The automatic pump operates for a few seconds every now and then with all appliances closed... Click to see answer
STIFF RUDDER
My friend's 40ft Springer narrowboat has such a stiff tiller, that it is tiring to cruise for more than an hour or so. She is now going to have it replaced, but would like advice on what she should ask for. Click to see answer
 


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