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Pumps – Electrical, Manual & Repair
Kevin’s Electric Pump (PDF 276 KB) Kevin built a removable unit using a Rule 1000 pump.
Electric pump installation Gnarlydog’s system.
Another electric pump installation From the kayakfishing forum.
Switches A link to fitting switches for electric pumps.
Another installation and instructions (PDF 1.7 MB) WA Sea Kayak Club’s site’s version.
Pump construction (PDF 124 KB) Sandy’s high capacity hand pump construction notes.
They have since been modified so there is no flotation collar, the flotation being internal and also acting as a flow director at the top of the pump.
Pumps break or clog, a fact of life. Some are sealed so if doing a repair, drastic measures may need to be taken.
At a recent KASK forum one owner showed how she had repaired hers. It was a Harmony but other brands should be able to be attacked in the same manner.
Pull the flotation collar down and mark a vertical line. This is a guide line for reassembly. Cut off the barrel of the pump, not necessarily neatly, probably 30-40 mm from the top. If it is not a neat square cut it won’t matter as you will align the barrel, when reassembling, to the marked vertical line.
Do the necessary repairs and then sleeve the pump with a piece of down-pipe, about 60-80 mm long. In the case of the pump mentioned, its barrel was just the right diameter to fit the down-pipe. If the barrel is too big or too small, cut a vertical cut down the sleeve so that it closes down or opens up. Apply a suitable PVC solvent glue or even a contact adhesive and slide the sleeve over the cut and if the pipe has been sliced to fit, clamp the sleeve tight round the pump’s barrel. When the glue is dry, slide the flotation collar back up and hopefully the pump should now work.
The main reason for fitting a sleeve is to take the stress off the barrel’s glued join.
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