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Go Back   SailNet Community > On Board > Gear & Maintenance > Priming Head Pump Out Hose
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Thread: Priming Head Pump Out Hose Reply to Thread
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Topic Review (Newest First)
04-23-2010 01:21 PM
Architeuthis
Quote:
Originally Posted by HeadHoncho View Post
...I still want 'em to do a clean-water flush of the pumpout hose before hanging it up.
I agree that'd be nice but is not always a good idea. As I've said before enforcement is an industry that demands feeding, if they saw the pump out hose in the water I am positive they would swoop into action.

For others that do not work with hoses or just never really thought about why that guy is walking the hose:

Best to treat the hose as if it contains waste, as it likely does. That means holding up valved end of the hose to let contents flow back down the hose. If the hose feels full walk the contents further down the hose so you can hold an empty section high enough that those contents stay away from the end. Then make the hose connection.

Removing the hose can also be tricky. Sometimes it is best to break the seal while the pump is running (in reverse/vacuum) or just let the connection drain for a while before closing valve and breaking connection. All the while being aware that the hose behind you may be holding a little surprise should you forget to close the valve before dropping the hose, or break vacuum and allow it to flow back to the connection.

Rinsing everything off is nice and OK with the enforcement flock, unless it is an actual spill, then you have a bird of a different feather.
04-23-2010 12:34 PM
L124C
Quote:
Originally Posted by tommays View Post
I don't know were you live

BUT around here we got birds POOPING piles 3" deep on every sailboat in the harbor and every time it rains the POOP count goes OFF the chart from other STUFF on LAND
SO i don't really think the hose tip is much of and issue
See....Even the birds know to go on the boat, and not in the water!
Actually, I acknowledged that it is a relatively minute amount of pollution in my OP. I also said that the main reason for the post was to see if I was missing something. It appears I wasn't, and I think we have confirmed my suspicion that (contrary to popular belief, and surprisingly, some pump instructions) the pumps don't need priming. The pump at my marina apparently discharges to the Muni sewage system, so tank space isn't an issue. So, here is my method if any body's interested:
1. Top off holding tank with fresh water.
2. Insert pump hose, turn on, pump out.
3. Repeat 1&2 (pump out water becomes clear).
4. Go sailing!
04-21-2010 11:26 PM
HeadHoncho
Quote:
Originally Posted by sailingdog View Post
This is true, but can be accomplished by flushing the tank and pumping it out again usually.
As marine sanitation professional, when I'm at the pumpout station, emptying my pumpout boat, I DO NOT want to open a valve and have someone's leftovers out spill out. And realistically, most boatowners are not going to go to the trouble of rinsing their tanks. And even if they do, I still want 'em to do a clean-water flush of the pumpout hose before hanging it up.
04-21-2010 11:14 PM
sailingdog This is true, but can be accomplished by flushing the tank and pumping it out again usually.
Quote:
Originally Posted by HeadHoncho View Post
Priming the hose is unneccessary. However, flushing the hose and nozzle with clean water after the pumpout is complete is simply good manners.
04-21-2010 11:10 PM
HeadHoncho Priming the hose is unneccessary. However, flushing the hose and nozzle with clean water after the pumpout is complete is simply good manners.
04-21-2010 09:00 PM
sailingdog I'm with Capttb...priming the pumpout system doesn't make much sense and if you're using a pumpout boat, it really is a waste, since it uses valuable tank capacity for nothing.
04-21-2010 08:46 PM
capttb Unless your pump-outs are different I never ran across one that needed "priming" and don't think it's possible. This things work the same as a vacuum truck or honey wagon in that the intake is not going thru a pump.
I've seen harbor patrol here chew someone out for not using dust collection systems with a palm sander. There's big signs all over our marinas saying "Dumping ANYTHING in the water is a crime". It seems an unnecessary and unsound practice to me.
04-21-2010 01:02 PM
tommays I dont know were you live

BUT around here we got birds POOPING piles 3" deep on every sailboat in the harbor and every time it rains the POOP count goes OFF the chart from other STUFF on LAND


SO i dont really think the hose tip is much of and issue
04-21-2010 12:20 PM
L124C
Quote:
Originally Posted by remetau View Post
That was how I always pumped out. When finished I then do the reverse to rinse the hose out for the next guy and then rinse it all off with fresh water rinse. When you stick it in the ocean, then it should be on so that it is sucking, how is that going to pollute the water?
Because the head of the hose is contaminated with bacteria (regardless of how much fresh water you rinse it with).
Note step 5. in Hardworks post. What are you "rinsing", and where is it going? Interestingly, his method doesn't really "prime" at all, which I suspected wasn't necessary, thereby eliminating the first step altogether. Not a big deal, but I was just curious if I was missing something. So far, I don't think I am. My method seems a lot faster and more efficient, and I still don't see any reason to be dipping the hose in the drink!
04-20-2010 05:38 PM
HARDWORK
Try this.

These pumps all operate on a vacume. You should :
1. place the pumpout hose connector onto the port on your vessel.
2. turn pump on
3. open valve on hose to allow sewage flow.
4. observe glass on hose to verify when tank is empty
5. place hose end in water to rinse the hose
6. close valve on hose
7. turn off pump

8: always fill the holding tank with water after pump out to rinse and then repeat first 7. steps.

ps. also put odor-loss in the head and flush with 1 gal of water to freshen tank, and you will have no odor.

Repeat at least once a month or sooner if required.
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