SOURCE: my pool sand filter pump isnt filtering the water
could possbly be a bad gasket on the vari-flow valve. When is the last time you backwashed?
SOURCE: Priming a hayward super pump
IF IT DOES NOT FILL CONSTANT FROM POOL IF IT IS AN INGROUND YOU WILL HAVE TO HELP IT BY PUTING A GARDEN HOSE WATER ON IN SKIMMER PUT A RAG AROUND HOSE FILL CUP TURN OFF RETURNS OPEN BLEEDER VALVE ON FILTER LET WATER FILL START PUMP AND OPEN RETURN VALVE SLOWLY YOU MAY HAVE TO DO THIS SEVERAL TIMES MAKE SURE AFTER YOU GET WATER FROM BLEEDER YOU CLOSE MAKE SURE ALL CONNECTIONS ARE TIGHT INCLUDING CLEAR CAP ON PUMP THESE ARE AIR BLOCKS IF ABOVE GROUND CHECK ALL HOSES AND CAP
SOURCE: How to open pool, fill sand filter with water?
I happen to have a copy of the users manual for this pool filter. These are the instructions for operating your filter.
1. Be sure correct amount of filter sand media is in tank and
that all connections have been made and are secure.
2. Depress Vari-Flo control valve handle and rotate to
BACKWASH* position. (To prevent damage to control valve
seal, always depress handle before turning.)
3. Prime and start pump according to pump instructions (be
sure all suction and return lines are open), allowing the filter
tank to fill with water.
WARNING: ALL SUCTION AND
DISCHARGE VALVES MUST BE OPEN WHEN
STARTING THE SYSTEM. FAILURE TO DO
SO COULD CAUSE SEVERE PERSONAL
INJURY.
Once water flow is steady out the waste line, run the pump for
at least 2 minutes. The initial back-washing of the filter is
recommended to remove any impurities or fine sand particles
in the sand media.
4. Turn pump off and set valve to RINSE position. Start pump
and operate until water in sight glass is clear—about 1/2 to 1
minute. Turn pump off, set valve to FILTER position and
restart pump. Your filter is now operating in the normal filter
mode, filtering particles from the pool water.
5. Adjust pool suction and return valves to achieve desired
flow. Check system and filter for water leaks and tighten
connections, bolts, nuts, as required.
6. Note the initial pressure gauge reading when the filter is
clean. (It will vary from pool to pool depending upon the
pump and general piping system). As the filter removes dirt
and impurities from the pool water, the accumulation in the
filter will cause the pressure to rise and flow to diminish.
When the pressure gauge reading is 8-10 PSI (0.55-0.69
BAR) higher than the initial "clean" pressure you noted, it is
time to backwash (clean) the filter (see BACKWASH under
Filter Control Valve Functions.)
SOURCE: Done every thing suggested. Still doenst prime.
No prime = either impeller problem, air leak, or blockage on output(bad filter or bad valve)
My first choice is dirty filter. Second choice is impeller. Both easy to check.
If you have checked those than you probably have an air leak. Hold a very slow running hose over all pipe joints running into filter, while motor is running. Most likely place is the screw in fitting on front of pump. The water from hose will temporarily seal leak and it should prime.
SOURCE: I have a hayward sand
Fill it half-way with water, cover the stand pipe coming up in the middle so sand cannot get into it, fill the tank with the sand (only use the amount the label says the unit takes), then install the valve and piping.
John
The most common causes of no prime are that the filter pot is not filled
with water (don't forget to put the cover with a gasket on), there is
an air leak in the pipes/valves between the pump and the pool, a plug of
leaves or other debris in the suction line, or the pump is installed so
high in elevation relative to the pool that just a little of the above
issues will prevent it from priming. I hope this helps.
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