Pump Out

S

Sky King

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exMember
Joined
Jun 11, 2005
RO Number
17791
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52
Tried to pump out and pump won't pull! The dock hands thought it might be their equipment so they tried it on the boat next to ours. Worked great.

Can't find any leaks but was wondering if the line connecting to the pump-out fitting (deck) is leaking air, could this be the posible culprit? We have a 98 Regal 292 commodore and the hose is very dificult to get to. Thanks!
 
quote:
Originally posted by Sky King

Tried to pump out and pump won't pull! The dock hands thought it might be their equipment so they tried it on the boat next to ours. Worked great.

Can't find any leaks but was wondering if the line connecting to the pump-out fitting (deck) is leaking air, could this be the posible culprit? We have a 98 Regal 292 commodore and the hose is very dificult to get to. Thanks!

Click to expand...


Could also be a clogged vent line. Mud dobbers and other insects love to make nests in vent lines. Also, if you ever mistakenly overflowed the tank and some #2 got stuck in the vent line, it will harden like a brick.

Check the ER to make sure you did not collapse your tank.
 
is the boat new to you? have you pump it out before? is anything coming out at all (then stops)

yes, a leak at the fitting or hose could prevent enough suction from building up.

other things to check:
-clogged vent (woudl cause a vaccum in the tank, could damage the tank)
-leak in the hose or fitting: broken clamp, shaffing on the hose, etc...
 
Was the pump out hose primed prior to attempting pump out? Are you sure the tank was not empty? Don't rely on the sending unit gauge. Was the pump out hose secured properly to your fitting?

Not only can it be a leak in a hose, but a common culprit is a clogged vent line. This could occur either inline or the vent itself. Regal did not equip that model with an inline vent filter, but be sure it was not added later on, as this can clog and cause a restriction of flow.
 
Have had the boat a couple of seasons. Have owned boats the better part of 30 years. Do I know what I'm doing? Probably not, or I love throwing money away...or..I just love the water!

On a serious note, reflecting...yes, there have been problems pumping out in the past. It had been difficult to get a good seal. The fittings that were new with the boat had a thread pattern that several marinas could not accomodate so at the end of this last season, we changed them out.
This was the first time that we had attempted a pump out since the change.

No, did not try priming (as in running water into the fitting?). No vent line to the hull or that I've seen. The tank has not been overfilled but it's full now! I did notice that the guy that installed the new fittings does not have any clamps at the fitting..wonder if that's the problem.

I will check all of your suggestions this weekend. Thank you all!
 
someone replaced the fitting on the boat but did not clamp the hose?? if so, it's stupid. I know that usually the fittings have barbs and the hose will hold BUT it's one sure way of getting air from the tank to escape inside the boat...

normally you should have the fitting on your boat (they're avail. at WM and other places) and the marina pump out hose just snaps on that fitting with cam locks. this way you dont' have to worry about fitting threads.

there has to be a vent on your tank, you need to know where it is, and you need to check if there is a filter in there. if you have a filter, it maybe clogged which could cause pressure / vaccum to build in the tank when you flush/pump out. eventually deforming the tank and causing problem, Find the the vent.

never had to prime any pump out... they're vacuum, designed to suck air.

since the problem have been occuring since the fitting was changed, i'd check there.
 
quote:
Originally posted by Sky King

No vent line to the hull or that I've seen. .

Click to expand...

There has to be a vent and normally, 100% of the time; it will be vented outside the boat. I sure as heck wouldn't want one vented inside the boat. One way to find out which thru hull is the vent for the holding tank is to have someone operate the head while someone (more than likely you) go around each thru hull using your nose. One of them should have at least a little oder. If the vent is clogged, the holding tank will become pressurized which is not a good thing.
 
Get a clamp or two on the new deck fitting. You have to have a fresh air intake for the waste tank. If that all doesn't work try priming but you shouldn't have to do that. Bill
 
quote:
Originally posted by KiDa

Could also be a clogged vent line. Mud dobbers and other insects love to make nests in vent lines. Also, if you ever mistakenly overflowed the tank and some #2 got stuck in the vent line, it will harden like a brick.

Check the ER to make sure you did not collapse your tank.

Click to expand...


Good suggestions.
 
quote:
Originally posted by PascalG

...........there has to be a vent on your tank, you need to know where it is, and you need to check if there is a filter in there. if you have a filter, it maybe clogged which could cause pressure / vaccum to build in the tank when you flush/pump out. eventually deforming the tank and causing problem, Find the the vent.
Click to expand...


Yes, there has to be a vent. You can't put anything in unless air can get out and you can't get anything out unless air can get in.

BTW: Is there a "Y" valve and is it in the correct position?
 
"BTW: Is there a "Y" valve and is it in the correct position?"

Took the words right outta my mouth. :-)
 
quote:
Originally posted by rawidman

quote:
Originally posted by KiDa

Could also be a clogged vent line. Mud dobbers and other insects love to make nests in vent lines. Also, if you ever mistakenly overflowed the tank and some #2 got stuck in the vent line, it will harden like a brick.

Check the ER to make sure you did not collapse your tank.

Click to expand...


Good suggestions.

Click to expand...

I thought so to until................

quote:
Originally posted by Sky King

Have had the boat a couple of seasons. Have owned boats the better part of 30 years. Do I know what I'm doing? Probably not, or I love throwing money away...or..I just love the water!

On a serious note, reflecting...yes, there have been problems pumping out in the past. It had been difficult to get a good seal. The fittings that were new with the boat had a thread pattern that several marinas could not accomodate so at the end of this last season, we changed them out.
This was the first time that we had attempted a pump out since the change.

No, did not try priming (as in running water into the fitting?). No vent line to the hull or that I've seen. The tank has not been overfilled but it's full now! I did notice that the guy that installed the new fittings does not have any clamps at the fitting..wonder if that's the problem.

I will check all of your suggestions this weekend. Thank you all!

Click to expand...


I was been dissed by.......

skyking_01.gif


Just DAMMIT!![:-banghead]
 
The vent is on the starboard side of boat, and there is no y valve on this model.
 
When pumping, is the hose sucked tight to the fitting or can you pull it off without feeling much pressure? No pressure=leak, good holding=clogged vent or restriction
 
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