I may try that as well. I was wrong in my original message saying that the heads are not popping up. They pop up but only half way. Sorry I wasn't more exact to begin with. Heads that pop up part way can and often are a sign of low water pressure. I've had that happen on my system several times.
Now time for some detective work to find the source of the low pressure leak or malfunctioning control valve.
Joined: Oct 27, Location: Hey Jimbo, what do you do when there is too much crud around the cylinder? I finally had to change out all my sprinklers because they weren't poping up any more they were getting stuck and now it seems that they are slowly starting to do the same thing? Please help. Poor quality heads commonly stick down or only pop up partially. Toro, and Hardie spray heads are two of the most common that have this problem.
Generally if the stem of the head will move freely by hand then the head is not sticking, you have a pressure problem. If the pressure issue is recent, look for a broken line, or a control valve not opening. Typically the control valve will be hissing if it isnt opening fully.
Many times you can open the manual bleen or remove the solenoid on the control valve and that will allow the valve to fully open. If doing that causes the valve to fully open, then the problem is that the valve will need to rebuilt or replaced. Good Luck! American Irrigation , Nov 1, You must log in or sign up to reply here. To determine what is normal, compare several sprinklers, check to see which one s squirt more water than the others. If the sprinklers have excessive blow-by they should be replaced.
Make sure you use the same brand and model for replacements. There should not be any water leakage between the cap and the riser when the riser is fully extended. Turn on the sprinklers and check for leakage on each one. The riser should be fully extended.
If the riser does not come up all the way, pull it up with your hand. If you find leakage between the riser and cap when the riser is completely up, then either the riser seal is bad, the riser is scratched, or the cap is scratched. You should replace the sprinkler is this is the case. Has your water pressure dropped? When new construction occurs nearby, the water pressure is prone to drop due to the water system supplying more water to more homes.
If you supply your own water by means of a pump, the water pressure and flow my drop as the pump gets older. If you get your water supply from a water provider, call them and inquire to see if the water pressure in the neighborhood has recently dropped. If it has, see if it is a temporary or permanent problem. If you use a pump, call your pump service company and have them check out your pump. If you discover that your water pressure has permanently dropped, then you have a serious problem.
You might also notice higher water bills than usual. Homeowners can use this meter to confirm the presence of a leak by first turning off every water line in and around the home. This includes shutting off the water to all faucets, toilets, clothes washers and dishwashers indoors, as well as the sprinklers and hose bibs outdoors, along with any other water-consuming systems or appliances that may be located in or around the home. Once everything has been shut off, go to the water meter and lift off the cover.
Keep in mind, these covers are made of metal and can be quite heavy; you might need to use a screwdriver, a pair of pliers or a water meter key to safely remove the cover. The meter inside will likely be equipped with both a numeric dial as well as a dial with a sweep-hand.
The sweep-hand should be still when all the water to the home is shut off. Look for spots in your yard along the water lines of your sprinkler system that are noticeably greener than other areas, indicating that these areas might be receiving extra water. Another possible indicator of a leak is patches in the yard along the water lines that are lower and wetter or muddier than other areas.
You might also poke gently into the turf with a screwdriver to see if the ground feels softer in certain areas than others. Handy homeowners might be able to find and repair a leak in the sprinkler system by carefully digging out the turf and dirt around the broken pipe, cutting out the broken section and replacing it with a new pipe and couplers.
Many homeowners, on the other hand, prefer to contact a licensed irrigation specialist to handle the job, to ensure that all leaks are identified and the sprinkler system repair is done quickly, properly and thoroughly. Experts in sprinkler repairs can save homeowners money over time, since a working sprinkler system that is well maintained will decrease water usage while supporting a lush and thriving yard.
Irrigation specialists will recommend annual inspections of the sprinkler system. During these visits, the spray of your sprinklers can be adjusted and checked for dirt and other debris. Regular sprinkler system maintenance and inspections will ensure that everything continues to function properly over time, and issues that are found can be fixed before they develop into major problems.
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