Jon Boat mods.......
You must not place the pump in the bilge unrestrained. If it falls over it will suck air and burn out. Pumps must be fastened down. Brackets are available that attach to a stringer or other vertical feature, or you can epoxy a couple of bolts to the bottom of the bilge to serve as mounting studs. Bends and long runs also reduce pump output, so make the hose run booat straight and as short as possible. That may mean discharging the pump through the side of the hull rather than through the transom.
If the pukp is submerged when the pump runs, the ocean siphons back through the pump into the bilge where to hook up bilge pump in jon boat the pump shuts off. When enough water has entered to float the switch, the pump will eject it, only to have it siphon back again. This continues until the battery is depleted, then the water floods the boat until it reaches a level that gets the crew's attention. The discharge fitting must never go below the waterline.
If the fitting is through the transom, be sure it is high enough not to submerge when the stern squats. And lump it is through the side of the hull, it must be high enough to remain above the water at the deepest angle of dating med modne kvinder. The through-hull fitting can further reduce pump capacity. To minimize this restriction, use a fitting with the largest possible opening.
It is essential to get the pump wiring out of the bilge as quickly as possible. Run the wires up and secure them so that they do not sag into the bilge water. A 3, gph pump will draw 15 amps, typically necessitating gauge, or maybe even wire. Consult the ABYC Wire Size Table to determine the appropriate wire for your pump and length of wire run.
Crimp-on step-down butt connectors will assure a good mechanical and electrical connection between the supply wires and the pump leads. Enclose these connections in adhesive heat shrink tubing to make them water tight. You must slide the heat shrink over the wire and out of the way before you make the connections. Then center the tubing over the crimped connector and shrink it with a heat gun or by playing a flame beneath it. Be sure there are no explosive fumes in where to hook up bilge pump in jon boat bilge!
When you turn the power off to leave the boat unattended, you don't want to turn off the kp pump. Connect an automatic bilge pump directly to the battery, not through the distribution panel. It is essential to have a fuse in the positive wire as close to the battery as possible. Some switch panels see below include a fuse. Otherwise join an in-line fuse holder to the battery end of the positive wire using a crimp butt connector. Do not strip the ends of the supply wires and loop them beneath the battery terminal wing nuts.
Install crimp-on ring terminals the proper size to fit the threaded posts on your battery. Use a copper washer-not steel-between the wing nut and the ring terminal. If your bilge pump has a separate float switch, you may want to wire it to a three way switch that allows you to select automatic, on, or off. Be sure to support all wire runs at least every 18 inches using cable clamps or ties. A bilge pump big enough to deal with a real emergency will do a poor job of keeping the bilge dry because the water in the discharge hose drains back into the bilge when the pump shuts off.
And a big pump requires a big hose. The ideal bilge pump arrangement is a small gph automatic bilge pump mounted in the sump to dispense with rain and shaft-gland leakage, combined wheree a high capacity pump 3, gph mounted higher to deal with more serious ingress. The large pump can be wired to a float switch if you prefer, but I think a manual switch makes more sense. An added advantage of this bilge pump configuration is that the high-capacity pump sits high and dry, extending its life indefinitely.
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Installing a Bilge Pump by Don Casey Revised by Hwere editors in Wherd Bilge pump installation is ohok, but it is essential not to overlook key details. Mount the pump You must not place the pump in the bilge unrestrained. Float switches must also be fastened. Place the discharge above the waterline If the discharge is bota when the pump runs, the ocean siphons back through the pump into the bilge when the pump shuts off.
Use a thin-wall fitting The through-hull fitting can further reduce pump capacity. Lead wiring up It is essential to get the pump wiring out of the bilge as quickly as possible. Don't skimp on wire size A 3, gph pump will draw 15 amps, typically necessitating gauge, or maybe even 8-gauge wire.