[APD] Re: Aquatic-Plants Digest, Vol 11, Issue 27

["Ann Viverette" <annv777 at houston_rr.com>]

First, everything that Scott H. said, and then I suggest you fill the tank
up to at least 4" from the rim before trying to prime it. I find that prime
button only pushes about 4" to 5" of water so starting too soon while the
tank is still low is a waste of time.

Ann Viverette

> Date: Mon, 19 Jul 2004 09:19:43 -0400
> From: "Hopkins, Samuel" <Samuel_Hopkins at marconi.com>
> Subject: [APD] Eheim prime problem
> To: "'aquatic-plants at actwin_com'" <aquatic-plants at actwin_com>
>
> Hi Everyone,
>
>      I have an Eheim 2028 and when I press down on the priming plunger it
> goes down but when it comes up nothing happens, the unit doesn't prime. To
> get it flowing after I change the filter I have to hold down the priming
> plunger and suck on the outflow tube. Once it's primed it's fine. Any
ideas?
>
> Thanks,
>
> Sam
>
> ------------------------------
>
> Message: 10
> Date: Mon, 19 Jul 2004 07:09:29 -0700 (PDT)
> From: "S. Hieber" <shieber at yahoo_com>
> Subject: Re: [APD] Eheim prime problem
> To: aquatic plants digest <aquatic-plants at actwin_com>
>
> I find the priming mechanism onthe Eccos a bit less fussy
> than that on the 2x26, 2x28 series. But generally, it works
> quite well if maintained. Here are some things to check.
>
> --Start with a filter with no water in it. Sometimes the
> Ehiems seem to start better when there is no water in it
> before you start the siphon going and don't turn onthe pump
> until the filter fills all the way. Alternatively, before
> reconnecting the outlet hose to the filter, empty the
> outlet hose of water so that no air gets trapped in the
> line. Note, however, that neither of these these things
> should be an issue if the ball&cage and primer are
> functioning normally.
>
> --Make sure the ball&cage assembly is clean and clear of
> debris. With the the filter out of service and the tubes
> disconnected, you can lift out the red ball cage (really
> just a plastic stop that keeps the ball from being pushed
> to far up the outlet) and then tip the  filter to pour the
> ball out of the hole. If the ball is worn, it won't work as
> a valve and the primer won't be effective. This ball acts
> as a oneway valve so that, when the primer comes back up,
> it sucks water into the siphon but not back through the
> outlet. Without it, the primer just pushes water back and
> forth in both in and out tubes at the same time without
> getting a siphon started.
>
> --Make sure the primer's seal is lightly lubed with
> petroleum jelly. The primer rides up and down inside the
> pumphead housing, with a rubber seal around the primer's
> circumfrence. If this seal is not lubed, the primer becomes
> sticky and ineffective and you can get leaks (the water
> will seep out through the handle cavities where the cord
> exits the filter. The primer should slide down and back up
> nice and easy without struggle. You'll need a small stick
> or a Q-tip with the cotton removed to fit down inbetween
> the primer and the pumphead housing. With a  little jelly
> at a time, gently poke some down onto the seal, work you
> way around the seal with more dabs. Work the primer up and
> down a few times. The primer should spring back up readily
> and freely. Even when the filter is installed and you're
> trying to draw a siphon, the primer should come back up
> easily and readily.
>
> Hope that helps,
> Scott H.


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