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Posted by bent on July 10, 2007, 2:49 pm
all pools will be basically the same. Everyday new unit(s) will put low
vacuum to full vacuum. Cutting the hard plastic hose is a big deal, haven't
done it yet in 30 years, and its a yearly function.
> Thanks, that sounds like god info to work from, and I should be able to
> find the problem wihout having to replace things. Just so I am clear, I
> guess the the O-ring seal on the strainer counts as part of the suction
> side, so I will start to start troubleshooting there and work backwards.
> Working backwards, parts include:
> Pump
> Rubber O-ring and groove in plastic pump housing
> -correction; the spray I use is teflon:a petroleum distillate suspension
> Plastic bowl screen (the plastic top rim that supports it in the bowl of
> mine is cracked - its an old unit and may be n/a, so I am told
> -so I may try improvising plastic sections to try to make a complete seal
> around top
> ~8" Plastic straight pipe (threaded 2 ends)
> Ball Valve (threaded 2 ends)
> 90 degree plastic elbow (threaded valve end, smooth hose end)
> ~16" rubber hose (new fibre-reinforced white)
> 90 degree plastic elbow ( smooth 2 ends)
> Eternal hard plastic pipe section (leading down into ground and over to
> skimmer)
> The Eternal hard plastic pipe section (leading down into ground and over
> to skimmer) has never been cut in 30 years. So the imprint of the 90
> degree plastic elbow grooves ( smooth 2 ends) which have been imprinted
> into that hose, and the fact that its hard platic, mean the seal may be
> not perfect. But therer are 2 pipes there (one in, one out) cut both the
> same length. They are about 18" up from the ground, probably no elbows in
> the ground, cause you can see the curl of the hoses and strain. I could
> cut them down and get new elbows with new pronounced groove ridges, put
> the kettle on, and clamp like hell while pliable.
> Each winter I take off the clamps, but the ~16" rubber hose (new
> fibre-reinforced white) is the only piece separated and taken from its
> place- the pump keeps the straight pipe, ball valve and elbow attached,
> and the pipe from the ground keeps its elbow (minus the SS clamps). I
> could try troubleshooting the possible leak points, but every year I work
> like hell to get em not to leak at the outset - but its a vacuum so who
> knows!?
> ANy thoughts?
>> bent writes:
>>> The head I a talking about is at
>>> the top of the filter (tank), the section with a round flat base that
>>> bolts to the main tank section with the 6 or so bolts.
>> Repeat: Bubbles indicate a suction-side leak, not a filter problem.
>> If your filter bulkhead leaks, water comes out. Air does not go in.
>
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> find the problem wihout having to replace things. Just so I am clear, I
> guess the the O-ring seal on the strainer counts as part of the suction
> side, so I will start to start troubleshooting there and work backwards.
> Working backwards, parts include:
> Pump
> Rubber O-ring and groove in plastic pump housing
> -correction; the spray I use is teflon:a petroleum distillate suspension
> Plastic bowl screen (the plastic top rim that supports it in the bowl of
> mine is cracked - its an old unit and may be n/a, so I am told
> -so I may try improvising plastic sections to try to make a complete seal
> around top
> ~8" Plastic straight pipe (threaded 2 ends)
> Ball Valve (threaded 2 ends)
> 90 degree plastic elbow (threaded valve end, smooth hose end)
> ~16" rubber hose (new fibre-reinforced white)
> 90 degree plastic elbow ( smooth 2 ends)
> Eternal hard plastic pipe section (leading down into ground and over to
> skimmer)
> The Eternal hard plastic pipe section (leading down into ground and over
> to skimmer) has never been cut in 30 years. So the imprint of the 90
> degree plastic elbow grooves ( smooth 2 ends) which have been imprinted
> into that hose, and the fact that its hard platic, mean the seal may be
> not perfect. But therer are 2 pipes there (one in, one out) cut both the
> same length. They are about 18" up from the ground, probably no elbows in
> the ground, cause you can see the curl of the hoses and strain. I could
> cut them down and get new elbows with new pronounced groove ridges, put
> the kettle on, and clamp like hell while pliable.
> Each winter I take off the clamps, but the ~16" rubber hose (new
> fibre-reinforced white) is the only piece separated and taken from its
> place- the pump keeps the straight pipe, ball valve and elbow attached,
> and the pipe from the ground keeps its elbow (minus the SS clamps). I
> could try troubleshooting the possible leak points, but every year I work
> like hell to get em not to leak at the outset - but its a vacuum so who
> knows!?
> ANy thoughts?