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Still green haha. I'll be back out July first on that sat, gotta fix my diverter stopped working this past SaturdayMade it out yesterday. Very green, but a beautiful day!
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I'll be out sat for a while if you go to elsinore. Not sure about that water thoJust saw this post. Didn't make it out over the weekend. Hoping Monday or Tuesday.
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Do not run it out of water unless you disconnect the pump.Wow!... Thanks Joe! Great read.
Just towing, you will get a lot of dirt in between the impeller and wear ring. Running it with the abrasive dirt between the two will accelerate wear and degrade performance.
Even if you do run on the hose and manage to flush the debris out from between the impeller and wear ring, having water pressurized between the two will actually lubricate the wear surfaces. This is just not possible on the hose.
Lastly, the packings are lubricated by water leaking into the boat at a rate of one drop every ten seconds. This water comes from the suction housing being pressurized by the forward motion of the boat. There is no way to replicate this with a garden hose. Running the pump dry for more than a few seconds will burn and glaze the rope seals and also cause damage to the shaft where these seals ride. Once the packings no longer seal, not only will you have water leaking, but they will also leak air, when the suction housing is under vacuum, causing cavitation to the impeller and bowl. This usually occurs on the hit.
Jet pumps are pretty bulletproof if you take care of them.
If you must start it on the ramp, it is good practice (even if you don't start it on the ramp) to open the reverse bucket, aggressively back the boat into the water, then pull forward to flush the pump of road grime. I do this twice. Then you can start it for a few seconds, just to make sure it starts.
I would tune on the water because the pump will slightly load the engine. You won't get that on the trailer.
While on the topic of what not to do to your jet pump: Don't drive on/off the beach. When shoving off, walk the boat out to waist deep water. Bounce the stern a few times to flush rocks and sand out of the pump before starting the engine. Keep in mind that the pump will suck sand off the bottom from 3-feet away.
Welcome to jet boating.
Cheers,
Joe
Just saw your post, had to work today. You can get them from anyone selling jet parts.Replaced the O-ring today as suggested👍🏽. Ran it in the driveway. I'm probably paranoid but what's the opinion on the water leakage just above the rudder shaft...normal?
It's the white plastic ones in the pic, you only need 1.
Thanks for the feedback. I'll order a seal kit. PD???PD?
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It's not the wear ring. There is a plastic O ring that goes on the place diverter and slides back & forth inside the steering nozzle when you steer. Looks like it's missing and maybe a bigger gap than normal between PD & steering nozzle.
I just noticed that I only have a port side internal baffle.I meant Flappers...Not baffles
With external baffles, are both internal and external required / recommended?
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