Emily Hartley
Start With the Jobs That Won't Sink You
Every new owner has the same moment: something small goes wrong — a drip from the stern gland, a scab of rust on the cabin side — and the temptation is to reach straight for the phone. Resist it for a season. The work that keeps a narrowboat or cruiser happy is overwhelmingly simple, repetitive and cheap to learn, and doing it yourself means you'll spot the expensive problems while they're still cheap ones.
The rule for beginners is straightforward: start with jobs that are low-risk, reversible, and nowhere near gas, 240-volt electrics, or anything below the waterline. Everything below falls safely into that category. Take your time, work with the engine cold where you can, and never rush a job just because the light is going.
The Beginner's Toolbox
You don't need a workshop full of kit. A sturdy canvas bag with the following will cover nine out of ten routine jobs, and it all fits in a locker:
- A set of combination spanners and a basic socket set in metric and imperial sizes — older boats are a mix of both.
- Screwdrivers in flat and cross-head, plus a small set of precision drivers for terminals and fittings.
- Adjustable spanner, mole grips, and a decent pair of pliers.
- A wire brush, abrasive pads, and a scraper for rust and old paint.
- Marine grease, a tub of petroleum jelly, and a roll of PTFE tape.
- Spare jubilee clips in a few sizes, cable ties, and a short length of hose.
- A good headtorch, disposable gloves, and oil absorbent pads.
Buy decent tools once. A cheap spanner that rounds off a brass fitting will cost you far more than the good one would have.
Greasing the Stern Gland
This is the job that terrifies new owners most and rewards them fastest. On a traditional packed stern gland, a small amount of water drips in to lubricate the shaft, and grease keeps that drip under control. Left alone, the gland tightens, the drip stops, and the packing wears the shaft itself — an expensive mistake.
The routine is quick. With the engine off, find the greaser — either a brass cup on the gland itself or a remote grease nipple on a tube nearby. Top up the cup with water-resistant stern gland grease, then give the handle half a turn. Do this at the end of a cruising day, while everything is still warm, and get into the habit of checking the drip rate with the engine running in gear alongside the bank. A steady drip of roughly one drop every thirty to sixty seconds is healthy; a stream means the gland needs nipping up slightly, and nothing at all means it is too tight.
Keep the bilge beneath it reasonably clean, too. A dry, tidy bilge tells you immediately when something new starts leaking, rather than hiding it under an inch of oily water.
Daily Checks, Belts and Bilges
Most engine trouble announces itself long before it stops you. A five-minute check before you set off will catch nearly all of it:
- Engine oil on the dipstick, and coolant level in the header tank when cold.
- The weed hatch — lift it, clear any rubbish from the propeller, and check the hatch seal is sound before refitting.
- The water trap on the fuel line, drained of any water sitting at the bottom.
- The bilge pump, tested by lifting the float switch by hand so you know it actually runs.
- The fan belt, pressed with a thumb — it should give about a centimetre of movement, no more.
Carry a spare fan belt, fuel filter, engine oil and a couple of jubilee clips aboard. Fitting a belt is a beginner's job: slacken the alternator, slip the old belt off, fit the new one, lever the alternator out to tension it, and tighten. Half an hour on the towpath beats a week waiting for an engineer.
Touching Up Paintwork
Rust only gets bigger. Deal with it while it's the size of a ten-pence piece and you'll never have to think about it again. Chip off any flaking paint with a scraper, take the rust back to clean grey metal with a wire brush or abrasive pad, then wipe the area down. If pitting remains, paint on a rust converter and let it cure properly.
Then build up thin coats rather than one thick one: a primer, then a topcoat matched as closely as you can to the existing paint. Thin coats dry faster, adhere better, and blend in far more forgivingly than a single heavy blob. Do it on a dry, mild day when rain isn't forecast for at least twenty-four hours, and keep a small tin of touch-up paint and a brush in a locker for the chips you'll collect on the towpath.
Knowing When to Stop
There is no shame in handing a job over, and knowing which ones to hand over is part of being a competent owner. Call in a professional for anything involving gas appliances, mains electrical work, welding or hull repairs below the waterline, and any job that needs the boat slipped or craned out. If you find yourself improvising a fix that holds the water out, stop and get advice.
Everything else, though, is learnable. Ask a neighbouring boater to watch you the first time you grease the gland or change a filter — most will happily lean on a lock gate and talk you through it. That's how the knowledge has always travelled along the cut. Start small, keep notes of what you did and when, and within a year you'll be the one showing someone else how it's done.
