Is Your Lawn Pump Losing Prime?

Those of you that have a lawn sprinkler systemand well setup you have.
connected to a pump and well setup may haveIf you have a shallow well and horizontal pump,
experienced a problem with your pump losing its'then you will need to replace the check valve,
prime. What this means is that the pump has lostwhich is either a brass or PVC fitting that is
the suction of water and now the pump is runningusually installed directly before the inlet or suction
dry.side of the pump. To remove and replace, you
If this problem is not caught quickly, your pumpneed to cut the PVC pipe free and use a big pipe
may continue to run dry and burn out the motorwrench to loosen the check valve. To replace,
or spin off one of the impellers.simply install back in and glue the pipe back
Re-priming most pumps is fairly easy. With thetogether. Make sure you have the flow the
pump off, you take a water hose connected tocorrect way; there are arrows on the check
an outside bib and fill up the volute (part of pumpvalve which point the direction for the flow of
that holds water). Then turn the pump back onwater.
while continuing to run water into the pump untilIf you have a jet pump, then your foot valve
you hear the sound of the motor starting tomay need to be replaced. This is not as easy as
smooth out, which usually means the pump isreplacing a check valve because it is located on a
primed back up and lifting water again.drop pipe, which is a separate pipe inside and near
If you take the water off and then the pumpthe bottom of the well. This requires you to
does not spit out water within a minute, continueremove the casing adapter and then lift up the
to force water back into the pump until it is liftingpipe, which can be 30 Ft to over 100 feet deep!
water from the well. After your sprinklers haveDepending on the particular setup of your drop
run for a few minutes, turn the pump off andpipe and foot valve, it may require a few extra
wait a few minutes before turning on again.steps prior to just pulling the pipe up. This is not
What we're doing is checking to see if the pumpan easy task if you are inexperienced. The
will hold its' prime. If you can turn the pump backactually removal and replacement of the foot
on and it continues to deliver water, then youvalve is similar to the check valve, the hardest
should be fine. You should check it the next daypart is usually getting the drop pipe up.
to see if it is holding the prime for a long periodFor homeowners with horizontal pumps and check
of time.valves, I encourage you to do it yourself! For
If after it has sat for several hours, or even justthose with irrigation system pump and well setups
a few minutes and it has lost the prime again,that have foot valves, I would highly recommend
then most likely you have a bad check valve orhiring an experienced well driller or pump technician
bad foot valve, depending on what kind of pumpfrom an irrigation company in your area.